v0.24.1

(tools & x): revert to v8 version cc777eb
* revert state to as it was before v9 updates for tools and x modules
2025-09-17 20:30:06 +08:00 · 2023-05-01 06:48:07 -07:00 · 2023-04-17 22:30:33 -07:00 · 2023-04-17 22:30:33 -07:00 · 2023-04-17 22:30:33 -07:00 · 2023-04-17 22:30:33 -07:00
48 changed files with 2757 additions and 439 deletions
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -28,9 +28,6 @@ jobs:
      - name: Build x module
        run: cd x && go build -v ./... && cd ..

-      - name: Build tools module
-        run: cd tools && go build -v ./... && cd ..
-
      - name: Test core module
        run: go test -race -v -coverprofile=coverage.txt -covermode=atomic ./...

@@ -42,3 +39,29 @@ jobs:

      - name: Upload coverage to Codecov
        uses: codecov/codecov-action@v1
+
+  build-tool:
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+        go-version: [1.18.x]
+    runs-on: ${{ matrix.os }}
+    services:
+      redis:
+        image: redis
+        ports:
+          - 6379:6379
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: ${{ matrix.go-version }}
+
+      - name: Build tools module
+        run: cd tools && go build -v ./... && cd ..
+
+      - name: Test tools module
+        run: cd tools && go test -race -v ./... && cd ..
+
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,7 +7,21 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0

 ## [Unreleased]

-## [0.23.0] - 2022-03-11
+## [0.24.1] - 2023-05-01
+
+### Changed
+- Updated package version dependency for go-redis 
+
+## [0.24.0] - 2023-01-02
+
+### Added
+- `PreEnqueueFunc`, `PostEnqueueFunc` is added in `Scheduler` and deprecated `EnqueueErrorHandler` (PR: https://github.com/hibiken/asynq/pull/476)
+
+### Changed
+- Removed error log when `Scheduler` failed to enqueue a task. Use `PostEnqueueFunc` to check for errors and task actions if needed.
+- Changed log level from ERROR to WARNINING when `Scheduler` failed to record `SchedulerEnqueueEvent`.
+
+## [0.23.0] - 2022-04-11

 ### Added

--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -38,7 +38,7 @@ Thank you! We'll try to respond as quickly as possible.
 ## Contributing Code

 1. Fork this repo
-2. Download your fork `git clone https://github.com/your-username/asynq && cd asynq`
+2. Download your fork `git clone git@github.com:your-username/asynq.git && cd asynq`
 3. Create your branch `git checkout -b your-branch-name`
 4. Make and commit your changes
 5. Push the branch `git push origin your-branch-name`
--- a/README.md
+++ b/README.md
@@ -33,6 +33,7 @@ Task queues are used as a mechanism to distribute work across multiple machines.
 - Low latency to add a task since writes are fast in Redis
 - De-duplication of tasks using [unique option](https://github.com/hibiken/asynq/wiki/Unique-Tasks)
 - Allow [timeout and deadline per task](https://github.com/hibiken/asynq/wiki/Task-Timeout-and-Cancelation)
+- Allow [aggregating group of tasks](https://github.com/hibiken/asynq/wiki/Task-aggregation) to batch multiple successive operations
 - [Flexible handler interface with support for middlewares](https://github.com/hibiken/asynq/wiki/Handler-Deep-Dive)
 - [Ability to pause queue](/tools/asynq/README.md#pause) to stop processing tasks from the queue
 - [Periodic Tasks](https://github.com/hibiken/asynq/wiki/Periodic-Tasks)
@@ -46,7 +47,7 @@ Task queues are used as a mechanism to distribute work across multiple machines.

 **Status**: The library is currently undergoing **heavy development** with frequent, breaking API changes.

-> ☝️ **Important Note**: Current major version is zero (`v0.x.x`) to accomodate rapid development and fast iteration while getting early feedback from users (_feedback on APIs are appreciated!_). The public API could change without a major version update before `v1.0.0` release.
+> ☝️ **Important Note**: Current major version is zero (`v0.x.x`) to accommodate rapid development and fast iteration while getting early feedback from users (_feedback on APIs are appreciated!_). The public API could change without a major version update before `v1.0.0` release.

 ## Quickstart

@@ -291,12 +292,12 @@ Asynq ships with a command line tool to inspect the state of queues and tasks.
 To install the CLI tool, run the following command:

 ```sh
-go get -u github.com/hibiken/asynq/tools/asynq
+go install github.com/hibiken/asynq/tools/asynq
 ```

-Here's an example of running the `asynq stats` command:
+Here's an example of running the `asynq dash` command:

-![Gif](/docs/assets/demo.gif)
+![Gif](/docs/assets/dash.gif)

 For details on how to use the tool, refer to the tool's [README](/tools/asynq/README.md).

--- a/asynq.go
+++ b/asynq.go
@@ -14,7 +14,7 @@ import (
 	"strings"
 	"time"

-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
 	"github.com/hibiken/asynq/internal/base"
 )

@@ -201,7 +201,7 @@ const (
 	// Indicates that the task is processed successfully and retained until the retention TTL expires.
 	TaskStateCompleted

-	// Indicates that the task is waiting in a group to be aggreated into one task.
+	// Indicates that the task is waiting in a group to be aggregated into one task.
 	TaskStateAggregating
 )

@@ -519,7 +519,7 @@ func parseRedisSentinelURI(u *url.URL) (RedisConnOpt, error) {
 	if v, ok := u.User.Password(); ok {
 		password = v
 	}
-	return RedisFailoverClientOpt{MasterName: master, SentinelAddrs: addrs, Password: password}, nil
+	return RedisFailoverClientOpt{MasterName: master, SentinelAddrs: addrs, SentinelPassword: password}, nil
 }

 // ResultWriter is a client interface to write result data for a task.
--- a/asynq_test.go
+++ b/asynq_test.go
@@ -11,7 +11,7 @@ import (
 	"strings"
 	"testing"

-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
 	"github.com/google/go-cmp/cmp"
 	"github.com/google/go-cmp/cmp/cmpopts"
 	"github.com/hibiken/asynq/internal/log"
@@ -143,9 +143,9 @@ func TestParseRedisURI(t *testing.T) {
 		{
 			"redis-sentinel://:mypassword@localhost:5000,localhost:5001,localhost:5002?master=mymaster",
 			RedisFailoverClientOpt{
-				MasterName:    "mymaster",
-				SentinelAddrs: []string{"localhost:5000", "localhost:5001", "localhost:5002"},
-				Password:      "mypassword",
+				MasterName:       "mymaster",
+				SentinelAddrs:    []string{"localhost:5000", "localhost:5001", "localhost:5002"},
+				SentinelPassword: "mypassword",
 			},
 		},
 	}
--- a/client.go
+++ b/client.go
@@ -10,7 +10,7 @@ import (
 	"strings"
 	"time"

-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
 	"github.com/google/uuid"
 	"github.com/hibiken/asynq/internal/base"
 	"github.com/hibiken/asynq/internal/errors"
@@ -237,7 +237,7 @@ func composeOptions(opts ...Option) (option, error) {
 		retry:     defaultMaxRetry,
 		queue:     base.DefaultQueueName,
 		taskID:    uuid.NewString(),
-		timeout:   0, // do not set to deafultTimeout here
+		timeout:   0, // do not set to defaultTimeout here
 		deadline:  time.Time{},
 		processAt: time.Now(),
 	}
@@ -317,7 +317,7 @@ func (c *Client) Close() error {
 // The argument opts specifies the behavior of task processing.
 // If there are conflicting Option values the last one overrides others.
 // Any options provided to NewTask can be overridden by options passed to Enqueue.
-// By deafult, max retry is set to 25 and timeout is set to 30 minutes.
+// By default, max retry is set to 25 and timeout is set to 30 minutes.
 //
 // If no ProcessAt or ProcessIn options are provided, the task will be pending immediately.
 //
@@ -333,7 +333,7 @@ func (c *Client) Enqueue(task *Task, opts ...Option) (*TaskInfo, error) {
 // The argument opts specifies the behavior of task processing.
 // If there are conflicting Option values the last one overrides others.
 // Any options provided to NewTask can be overridden by options passed to Enqueue.
-// By deafult, max retry is set to 25 and timeout is set to 30 minutes.
+// By default, max retry is set to 25 and timeout is set to 30 minutes.
 //
 // If no ProcessAt or ProcessIn options are provided, the task will be pending immediately.
 //
--- a/context.go
+++ b/context.go
@@ -28,7 +28,7 @@ func GetRetryCount(ctx context.Context) (n int, ok bool) {

 // GetMaxRetry extracts maximum retry from a context, if any.
 //
-// Return value n indicates the maximum number of times the assoicated task
+// Return value n indicates the maximum number of times the associated task
 // can be retried if ProcessTask returns a non-nil error.
 func GetMaxRetry(ctx context.Context) (n int, ok bool) {
 	return asynqcontext.GetMaxRetry(ctx)
--- a/docs/assets/dash.gif
+++ b/docs/assets/dash.gif
--- a/go.mod
+++ b/go.mod
@@ -3,17 +3,15 @@ module github.com/hibiken/asynq
 go 1.14

 require (
-	github.com/go-redis/redis/v8 v8.11.2
-	github.com/golang/protobuf v1.4.2
+	github.com/golang/protobuf v1.5.2
 	github.com/google/go-cmp v0.5.6
 	github.com/google/uuid v1.2.0
-	github.com/kr/pretty v0.1.0 // indirect
+	github.com/redis/go-redis/v9 v9.0.3
 	github.com/robfig/cron/v3 v3.0.1
 	github.com/spf13/cast v1.3.1
-	github.com/stretchr/testify v1.6.1 // indirect
-	go.uber.org/goleak v0.10.0
-	golang.org/x/sys v0.0.0-20210112080510-489259a85091
+	go.uber.org/goleak v1.1.12
+	golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e
 	golang.org/x/time v0.0.0-20190308202827-9d24e82272b4
-	google.golang.org/protobuf v1.25.0
+	google.golang.org/protobuf v1.26.0
 	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
 )
--- a/go.sum
+++ b/go.sum
@@ -1,177 +1,82 @@
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 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
-gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
-gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
-gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
-gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
-gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc h1:/hemPrYIhOhy8zYrNj+069zDB68us2sMGsfkFJO0iZs=
-honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
--- a/heartbeat_test.go
+++ b/heartbeat_test.go
@@ -22,7 +22,7 @@ import (
 // Test goes through a few phases.
 //
 // Phase1: Simulate Server startup; Simulate starting tasks listed in startedWorkers
-// Phase2: Simluate finishing tasks listed in finishedTasks
+// Phase2: Simulate finishing tasks listed in finishedTasks
 // Phase3: Simulate Server shutdown;
 func TestHeartbeater(t *testing.T) {
 	r := setup(t)
@@ -41,7 +41,7 @@ func TestHeartbeater(t *testing.T) {
 	t5 := h.NewTaskMessageWithQueue("task5", nil, "custom")
 	t6 := h.NewTaskMessageWithQueue("task6", nil, "default")

-	// Note: intentionally set to time less than now.Add(rdb.LeaseDuration) to test lease extention is working.
+	// Note: intentionally set to time less than now.Add(rdb.LeaseDuration) to test lease extension is working.
 	lease1 := h.NewLeaseWithClock(now.Add(10*time.Second), clock)
 	lease2 := h.NewLeaseWithClock(now.Add(10*time.Second), clock)
 	lease3 := h.NewLeaseWithClock(now.Add(10*time.Second), clock)
--- a/inspector.go
+++ b/inspector.go
@@ -10,7 +10,7 @@ import (
 	"strings"
 	"time"

-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
 	"github.com/hibiken/asynq/internal/base"
 	"github.com/hibiken/asynq/internal/errors"
 	"github.com/hibiken/asynq/internal/rdb"
@@ -59,7 +59,7 @@ func (i *Inspector) Groups(queue string) ([]*GroupInfo, error) {
 	return res, nil
 }

-// GroupInfo represents a state of a group at a cerntain time.
+// GroupInfo represents a state of a group at a certain time.
 type GroupInfo struct {
 	// Name of the group.
 	Group string
--- a/inspector_test.go
+++ b/inspector_test.go
@@ -12,7 +12,6 @@ import (
 	"testing"
 	"time"

-	"github.com/go-redis/redis/v8"
 	"github.com/google/go-cmp/cmp"
 	"github.com/google/go-cmp/cmp/cmpopts"
 	"github.com/google/uuid"
@@ -20,6 +19,7 @@ import (
 	"github.com/hibiken/asynq/internal/rdb"
 	h "github.com/hibiken/asynq/internal/testutil"
 	"github.com/hibiken/asynq/internal/timeutil"
+	"github.com/redis/go-redis/v9"
 )

 func TestInspectorQueues(t *testing.T) {
@@ -1138,7 +1138,7 @@ func TestInspectorListAggregatingTasks(t *testing.T) {
 		tasks     []*h.TaskSeedData
 		allQueues []string
 		allGroups map[string][]string
-		groups    map[string][]*redis.Z
+		groups    map[string][]redis.Z
 	}{
 		tasks: []*h.TaskSeedData{
 			{Msg: m1, State: base.TaskStateAggregating},
@@ -1152,7 +1152,7 @@ func TestInspectorListAggregatingTasks(t *testing.T) {
 			base.AllGroups("default"): {"group1", "group2"},
 			base.AllGroups("custom"):  {"group1"},
 		},
-		groups: map[string][]*redis.Z{
+		groups: map[string][]redis.Z{
 			base.GroupKey("default", "group1"): {
 				{Member: m1.ID, Score: float64(now.Add(-30 * time.Second).Unix())},
 				{Member: m2.ID, Score: float64(now.Add(-20 * time.Second).Unix())},
@@ -3445,7 +3445,7 @@ func TestInspectorGroups(t *testing.T) {
 	fixtures := struct {
 		tasks     []*h.TaskSeedData
 		allGroups map[string][]string
-		groups    map[string][]*redis.Z
+		groups    map[string][]redis.Z
 	}{
 		tasks: []*h.TaskSeedData{
 			{Msg: m1, State: base.TaskStateAggregating},
@@ -3458,7 +3458,7 @@ func TestInspectorGroups(t *testing.T) {
 			base.AllGroups("default"): {"group1", "group2"},
 			base.AllGroups("custom"):  {"group1"},
 		},
-		groups: map[string][]*redis.Z{
+		groups: map[string][]redis.Z{
 			base.GroupKey("default", "group1"): {
 				{Member: m1.ID, Score: float64(now.Add(-10 * time.Second).Unix())},
 				{Member: m2.ID, Score: float64(now.Add(-20 * time.Second).Unix())},
--- a/internal/base/base.go
+++ b/internal/base/base.go
@@ -14,16 +14,16 @@ import (
 	"sync"
 	"time"

-	"github.com/go-redis/redis/v8"
 	"github.com/golang/protobuf/ptypes"
 	"github.com/hibiken/asynq/internal/errors"
 	pb "github.com/hibiken/asynq/internal/proto"
 	"github.com/hibiken/asynq/internal/timeutil"
+	"github.com/redis/go-redis/v9"
 	"google.golang.org/protobuf/proto"
 )

 // Version of asynq library and CLI.
-const Version = "0.23.0"
+const Version = "0.24.1"

 // DefaultQueueName is the queue name used if none are specified by user.
 const DefaultQueueName = "default"
@@ -607,7 +607,7 @@ func DecodeSchedulerEnqueueEvent(b []byte) (*SchedulerEnqueueEvent, error) {

 // Cancelations is a collection that holds cancel functions for all active tasks.
 //
-// Cancelations are safe for concurrent use by multipel goroutines.
+// Cancelations are safe for concurrent use by multiple goroutines.
 type Cancelations struct {
 	mu          sync.Mutex
 	cancelFuncs map[string]context.CancelFunc
@@ -662,7 +662,7 @@ func NewLease(expirationTime time.Time) *Lease {
 	}
 }

-// Reset chanegs the lease to expire at the given time.
+// Reset changes the lease to expire at the given time.
 // It returns true if the lease is still valid and reset operation was successful, false if the lease had been expired.
 func (l *Lease) Reset(expirationTime time.Time) bool {
 	if !l.IsValid() {
@@ -700,7 +700,7 @@ func (l *Lease) Deadline() time.Time {
 	return l.expireAt
 }

-// IsValid returns true if the lease's expieration time is in the future or equals to the current time,
+// IsValid returns true if the lease's expiration time is in the future or equals to the current time,
 // returns false otherwise.
 func (l *Lease) IsValid() bool {
 	now := l.Clock.Now()
--- a/internal/context/context.go
+++ b/internal/context/context.go
@@ -65,7 +65,7 @@ func GetRetryCount(ctx context.Context) (n int, ok bool) {

 // GetMaxRetry extracts maximum retry from a context, if any.
 //
-// Return value n indicates the maximum number of times the assoicated task
+// Return value n indicates the maximum number of times the associated task
 // can be retried if ProcessTask returns a non-nil error.
 func GetMaxRetry(ctx context.Context) (n int, ok bool) {
 	metadata, ok := ctx.Value(metadataCtxKey).(taskMetadata)
--- a/internal/errors/errors.go
+++ b/internal/errors/errors.go
@@ -161,7 +161,7 @@ func CanonicalCode(err error) Code {
 }

 /******************************************
-    Domin Specific Error Types & Values
+    Domain Specific Error Types & Values
 *******************************************/

 var (
@@ -263,26 +263,26 @@ func IsRedisCommandError(err error) bool {
 // New returns an error that formats as the given text.
 // Each call to New returns a distinct error value even if the text is identical.
 //
-// This function is the errors.New function from the standard libarary (https://golang.org/pkg/errors/#New).
-// It is exported from this package for import convinience.
+// This function is the errors.New function from the standard library (https://golang.org/pkg/errors/#New).
+// It is exported from this package for import convenience.
 func New(text string) error { return errors.New(text) }

 // Is reports whether any error in err's chain matches target.
 //
-// This function is the errors.Is function from the standard libarary (https://golang.org/pkg/errors/#Is).
-// It is exported from this package for import convinience.
+// This function is the errors.Is function from the standard library (https://golang.org/pkg/errors/#Is).
+// It is exported from this package for import convenience.
 func Is(err, target error) bool { return errors.Is(err, target) }

 // As finds the first error in err's chain that matches target, and if so, sets target to that error value and returns true.
 // Otherwise, it returns false.
 //
-// This function is the errors.As function from the standard libarary (https://golang.org/pkg/errors/#As).
-// It is exported from this package for import convinience.
+// This function is the errors.As function from the standard library (https://golang.org/pkg/errors/#As).
+// It is exported from this package for import convenience.
 func As(err error, target interface{}) bool { return errors.As(err, target) }

 // Unwrap returns the result of calling the Unwrap method on err, if err's type contains an Unwrap method returning error.
 // Otherwise, Unwrap returns nil.
 //
-// This function is the errors.Unwrap function from the standard libarary (https://golang.org/pkg/errors/#Unwrap).
-// It is exported from this package for import convinience.
+// This function is the errors.Unwrap function from the standard library (https://golang.org/pkg/errors/#Unwrap).
+// It is exported from this package for import convenience.
 func Unwrap(err error) error { return errors.Unwrap(err) }
--- a/internal/rdb/inspect.go
+++ b/internal/rdb/inspect.go
@@ -10,7 +10,7 @@ import (
 	"strings"
 	"time"

-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
 	"github.com/hibiken/asynq/internal/base"
 	"github.com/hibiken/asynq/internal/errors"
 	"github.com/spf13/cast"
@@ -109,7 +109,7 @@ table.insert(res, KEYS[6])
 table.insert(res, redis.call("ZCARD", KEYS[6]))
 for i=7,10 do
    local count = 0
-	local n = redis.call("GET", KEYS[i])	
+	local n = redis.call("GET", KEYS[i])
 	if n then
 	    count = tonumber(n)
 	end
@@ -568,7 +568,7 @@ var groupStatsCmd = redis.NewScript(`
 local res = {}
 local group_names = redis.call("SMEMBERS", KEYS[1])
 for _, gname in ipairs(group_names) do
-	local size = redis.call("ZCARD", ARGV[1] .. gname) 
+	local size = redis.call("ZCARD", ARGV[1] .. gname)
 	table.insert(res, gname)
 	table.insert(res, size)
 end
@@ -1295,7 +1295,7 @@ elseif state == "aggregating" then
 	if redis.call("ZCARD", ARGV[6] .. group) == 0 then
 		redis.call("SREM", KEYS[3], group)
 	end
-else 
+else
 	if redis.call("ZREM", ARGV[5] .. state, ARGV[1]) == 0 then
 		return redis.error_reply("task id not found in zset " .. tostring(ARGV[5] .. state))
 	end
@@ -1349,7 +1349,7 @@ func (r *RDB) ArchiveTask(qname, id string) error {
 	case -1:
 		return errors.E(op, errors.FailedPrecondition, &errors.TaskAlreadyArchivedError{Queue: qname, ID: id})
 	case -2:
-		return errors.E(op, errors.FailedPrecondition, "cannot archive task in active state. use CancelTask instead.")
+		return errors.E(op, errors.FailedPrecondition, "cannot archive task in active state. use CancelProcessing instead.")
 	case -3:
 		return errors.E(op, errors.NotFound, &errors.QueueNotFoundError{Queue: qname})
 	default:
@@ -1490,7 +1490,7 @@ func (r *RDB) DeleteTask(qname, id string) error {
 	case 0:
 		return errors.E(op, errors.NotFound, &errors.TaskNotFoundError{Queue: qname, ID: id})
 	case -1:
-		return errors.E(op, errors.FailedPrecondition, "cannot delete task in active state. use CancelTask instead.")
+		return errors.E(op, errors.FailedPrecondition, "cannot delete task in active state. use CancelProcessing instead.")
 	default:
 		return errors.E(op, errors.Internal, fmt.Sprintf("unexpected return value from deleteTaskCmd script: %d", n))
 	}
--- a/internal/rdb/inspect_test.go
+++ b/internal/rdb/inspect_test.go
@@ -12,7 +12,6 @@ import (
 	"testing"
 	"time"

-	"github.com/go-redis/redis/v8"
 	"github.com/google/go-cmp/cmp"
 	"github.com/google/go-cmp/cmp/cmpopts"
 	"github.com/google/uuid"
@@ -20,6 +19,7 @@ import (
 	"github.com/hibiken/asynq/internal/errors"
 	h "github.com/hibiken/asynq/internal/testutil"
 	"github.com/hibiken/asynq/internal/timeutil"
+	"github.com/redis/go-redis/v9"
 )

 func TestAllQueues(t *testing.T) {
@@ -73,11 +73,11 @@ func TestCurrentStats(t *testing.T) {
 		allGroups                       map[string][]string
 		pending                         map[string][]string
 		active                          map[string][]string
-		scheduled                       map[string][]*redis.Z
-		retry                           map[string][]*redis.Z
-		archived                        map[string][]*redis.Z
-		completed                       map[string][]*redis.Z
-		groups                          map[string][]*redis.Z
+		scheduled                       map[string][]redis.Z
+		retry                           map[string][]redis.Z
+		archived                        map[string][]redis.Z
+		completed                       map[string][]redis.Z
+		groups                          map[string][]redis.Z
 		processed                       map[string]int
 		failed                          map[string]int
 		processedTotal                  map[string]int
@@ -111,7 +111,7 @@ func TestCurrentStats(t *testing.T) {
 				base.ActiveKey("critical"): {},
 				base.ActiveKey("low"):      {},
 			},
-			scheduled: map[string][]*redis.Z{
+			scheduled: map[string][]redis.Z{
 				base.ScheduledKey("default"): {
 					{Member: m3.ID, Score: float64(now.Add(time.Hour).Unix())},
 					{Member: m4.ID, Score: float64(now.Unix())},
@@ -119,22 +119,22 @@ func TestCurrentStats(t *testing.T) {
 				base.ScheduledKey("critical"): {},
 				base.ScheduledKey("low"):      {},
 			},
-			retry: map[string][]*redis.Z{
+			retry: map[string][]redis.Z{
 				base.RetryKey("default"):  {},
 				base.RetryKey("critical"): {},
 				base.RetryKey("low"):      {},
 			},
-			archived: map[string][]*redis.Z{
+			archived: map[string][]redis.Z{
 				base.ArchivedKey("default"):  {},
 				base.ArchivedKey("critical"): {},
 				base.ArchivedKey("low"):      {},
 			},
-			completed: map[string][]*redis.Z{
+			completed: map[string][]redis.Z{
 				base.CompletedKey("default"):  {},
 				base.CompletedKey("critical"): {},
 				base.CompletedKey("low"):      {},
 			},
-			groups: map[string][]*redis.Z{
+			groups: map[string][]redis.Z{
 				base.GroupKey("default", "sms:user1"): {
 					{Member: m7.ID, Score: float64(now.Add(-3 * time.Second).Unix())},
 				},
@@ -205,7 +205,7 @@ func TestCurrentStats(t *testing.T) {
 				base.ActiveKey("critical"): {},
 				base.ActiveKey("low"):      {},
 			},
-			scheduled: map[string][]*redis.Z{
+			scheduled: map[string][]redis.Z{
 				base.ScheduledKey("default"): {
 					{Member: m3.ID, Score: float64(now.Add(time.Hour).Unix())},
 					{Member: m4.ID, Score: float64(now.Unix())},
@@ -213,17 +213,17 @@ func TestCurrentStats(t *testing.T) {
 				base.ScheduledKey("critical"): {},
 				base.ScheduledKey("low"):      {},
 			},
-			retry: map[string][]*redis.Z{
+			retry: map[string][]redis.Z{
 				base.RetryKey("default"):  {},
 				base.RetryKey("critical"): {},
 				base.RetryKey("low"):      {},
 			},
-			archived: map[string][]*redis.Z{
+			archived: map[string][]redis.Z{
 				base.ArchivedKey("default"):  {},
 				base.ArchivedKey("critical"): {},
 				base.ArchivedKey("low"):      {},
 			},
-			completed: map[string][]*redis.Z{
+			completed: map[string][]redis.Z{
 				base.CompletedKey("default"):  {},
 				base.CompletedKey("critical"): {},
 				base.CompletedKey("low"):      {},
@@ -250,7 +250,7 @@ func TestCurrentStats(t *testing.T) {
 			},
 			oldestPendingMessageEnqueueTime: map[string]time.Time{
 				"default":  now.Add(-15 * time.Second),
-				"critical": time.Time{}, // zero value since there's no pending task in this queue
+				"critical": {}, // zero value since there's no pending task in this queue
 				"low":      now.Add(-30 * time.Second),
 			},
 			paused: []string{"critical", "low"},
@@ -392,7 +392,6 @@ func TestHistoricalStats(t *testing.T) {
 			}
 		}
 	}
-
 }

 func TestRedisInfo(t *testing.T) {
@@ -436,7 +435,7 @@ func TestGroupStats(t *testing.T) {
 	fixtures := struct {
 		tasks     []*h.TaskSeedData
 		allGroups map[string][]string
-		groups    map[string][]*redis.Z
+		groups    map[string][]redis.Z
 	}{
 		tasks: []*h.TaskSeedData{
 			{Msg: m1, State: base.TaskStateAggregating},
@@ -449,7 +448,7 @@ func TestGroupStats(t *testing.T) {
 			base.AllGroups("default"): {"group1", "group2"},
 			base.AllGroups("custom"):  {"group1"},
 		},
-		groups: map[string][]*redis.Z{
+		groups: map[string][]redis.Z{
 			base.GroupKey("default", "group1"): {
 				{Member: m1.ID, Score: float64(now.Add(-10 * time.Second).Unix())},
 				{Member: m2.ID, Score: float64(now.Add(-20 * time.Second).Unix())},
@@ -487,7 +486,7 @@ func TestGroupStats(t *testing.T) {
 		},
 	}

-	var sortGroupStatsOpt = cmp.Transformer(
+	sortGroupStatsOpt := cmp.Transformer(
 		"SortGroupStats",
 		func(in []*GroupStat) []*GroupStat {
 			out := append([]*GroupStat(nil), in...)
@@ -1509,7 +1508,6 @@ func TestListCompleted(t *testing.T) {
 			continue
 		}
 	}
-
 }

 func TestListCompletedPagination(t *testing.T) {
@@ -1585,7 +1583,7 @@ func TestListAggregating(t *testing.T) {
 		tasks     []*h.TaskSeedData
 		allQueues []string
 		allGroups map[string][]string
-		groups    map[string][]*redis.Z
+		groups    map[string][]redis.Z
 	}{
 		tasks: []*h.TaskSeedData{
 			{Msg: m1, State: base.TaskStateAggregating},
@@ -1598,7 +1596,7 @@ func TestListAggregating(t *testing.T) {
 			base.AllGroups("default"): {"group1", "group2"},
 			base.AllGroups("custom"):  {"group3"},
 		},
-		groups: map[string][]*redis.Z{
+		groups: map[string][]redis.Z{
 			base.GroupKey("default", "group1"): {
 				{Member: m1.ID, Score: float64(now.Add(-30 * time.Second).Unix())},
 				{Member: m2.ID, Score: float64(now.Add(-20 * time.Second).Unix())},
@@ -1665,14 +1663,14 @@ func TestListAggregatingPagination(t *testing.T) {
 		tasks     []*h.TaskSeedData
 		allQueues []string
 		allGroups map[string][]string
-		groups    map[string][]*redis.Z
+		groups    map[string][]redis.Z
 	}{
 		tasks:     []*h.TaskSeedData{}, // will be populated below
 		allQueues: []string{"default"},
 		allGroups: map[string][]string{
 			base.AllGroups("default"): {"mygroup"},
 		},
-		groups: map[string][]*redis.Z{
+		groups: map[string][]redis.Z{
 			groupkey: {}, // will be populated below
 		},
 	}
@@ -1683,7 +1681,7 @@ func TestListAggregatingPagination(t *testing.T) {
 		fxt.tasks = append(fxt.tasks, &h.TaskSeedData{
 			Msg: msg, State: base.TaskStateAggregating,
 		})
-		fxt.groups[groupkey] = append(fxt.groups[groupkey], &redis.Z{
+		fxt.groups[groupkey] = append(fxt.groups[groupkey], redis.Z{
 			Member: msg.ID,
 			Score:  float64(now.Add(-time.Duration(100-i) * time.Second).Unix()),
 		})
@@ -1999,7 +1997,7 @@ func TestRunAggregatingTask(t *testing.T) {
 		tasks     []*h.TaskSeedData
 		allQueues []string
 		allGroups map[string][]string
-		groups    map[string][]*redis.Z
+		groups    map[string][]redis.Z
 	}{
 		tasks: []*h.TaskSeedData{
 			{Msg: m1, State: base.TaskStateAggregating},
@@ -2011,7 +2009,7 @@ func TestRunAggregatingTask(t *testing.T) {
 			base.AllGroups("default"): {"group1"},
 			base.AllGroups("custom"):  {"group1"},
 		},
-		groups: map[string][]*redis.Z{
+		groups: map[string][]redis.Z{
 			base.GroupKey("default", "group1"): {
 				{Member: m1.ID, Score: float64(now.Add(-20 * time.Second).Unix())},
 				{Member: m2.ID, Score: float64(now.Add(-25 * time.Second).Unix())},
@@ -2324,7 +2322,6 @@ func TestRunTaskError(t *testing.T) {
 			}
 		}
 	}
-
 }

 func TestRunAllScheduledTasks(t *testing.T) {
@@ -2691,7 +2688,7 @@ func TestRunAllAggregatingTasks(t *testing.T) {
 		tasks     []*h.TaskSeedData
 		allQueues []string
 		allGroups map[string][]string
-		groups    map[string][]*redis.Z
+		groups    map[string][]redis.Z
 	}{
 		tasks: []*h.TaskSeedData{
 			{Msg: m1, State: base.TaskStateAggregating},
@@ -2703,7 +2700,7 @@ func TestRunAllAggregatingTasks(t *testing.T) {
 			base.AllGroups("default"): {"group1"},
 			base.AllGroups("custom"):  {"group2"},
 		},
-		groups: map[string][]*redis.Z{
+		groups: map[string][]redis.Z{
 			base.GroupKey("default", "group1"): {
 				{Member: m1.ID, Score: float64(now.Add(-20 * time.Second).Unix())},
 				{Member: m2.ID, Score: float64(now.Add(-25 * time.Second).Unix())},
@@ -3001,7 +2998,7 @@ func TestArchiveAggregatingTask(t *testing.T) {
 		tasks     []*h.TaskSeedData
 		allQueues []string
 		allGroups map[string][]string
-		groups    map[string][]*redis.Z
+		groups    map[string][]redis.Z
 	}{
 		tasks: []*h.TaskSeedData{
 			{Msg: m1, State: base.TaskStateAggregating},
@@ -3013,7 +3010,7 @@ func TestArchiveAggregatingTask(t *testing.T) {
 			base.AllGroups("default"): {"group1"},
 			base.AllGroups("custom"):  {"group1"},
 		},
-		groups: map[string][]*redis.Z{
+		groups: map[string][]redis.Z{
 			base.GroupKey("default", "group1"): {
 				{Member: m1.ID, Score: float64(now.Add(-20 * time.Second).Unix())},
 				{Member: m2.ID, Score: float64(now.Add(-25 * time.Second).Unix())},
@@ -3335,6 +3332,7 @@ func TestArchiveTaskError(t *testing.T) {
 		}
 	}
 }
+
 func TestArchiveAllPendingTasks(t *testing.T) {
 	r := setup(t)
 	defer r.Close()
@@ -3485,7 +3483,7 @@ func TestArchiveAllAggregatingTasks(t *testing.T) {
 		tasks     []*h.TaskSeedData
 		allQueues []string
 		allGroups map[string][]string
-		groups    map[string][]*redis.Z
+		groups    map[string][]redis.Z
 	}{
 		tasks: []*h.TaskSeedData{
 			{Msg: m1, State: base.TaskStateAggregating},
@@ -3497,7 +3495,7 @@ func TestArchiveAllAggregatingTasks(t *testing.T) {
 			base.AllGroups("default"): {"group1"},
 			base.AllGroups("custom"):  {"group2"},
 		},
-		groups: map[string][]*redis.Z{
+		groups: map[string][]redis.Z{
 			base.GroupKey("default", "group1"): {
 				{Member: m1.ID, Score: float64(now.Add(-20 * time.Second).Unix())},
 				{Member: m2.ID, Score: float64(now.Add(-25 * time.Second).Unix())},
@@ -4124,7 +4122,7 @@ func TestDeleteAggregatingTask(t *testing.T) {
 		tasks     []*h.TaskSeedData
 		allQueues []string
 		allGroups map[string][]string
-		groups    map[string][]*redis.Z
+		groups    map[string][]redis.Z
 	}{
 		tasks: []*h.TaskSeedData{
 			{Msg: m1, State: base.TaskStateAggregating},
@@ -4136,7 +4134,7 @@ func TestDeleteAggregatingTask(t *testing.T) {
 			base.AllGroups("default"): {"group1"},
 			base.AllGroups("custom"):  {"group1"},
 		},
-		groups: map[string][]*redis.Z{
+		groups: map[string][]redis.Z{
 			base.GroupKey("default", "group1"): {
 				{Member: m1.ID, Score: float64(now.Add(-20 * time.Second).Unix())},
 				{Member: m2.ID, Score: float64(now.Add(-25 * time.Second).Unix())},
@@ -4758,7 +4756,7 @@ func TestDeleteAllAggregatingTasks(t *testing.T) {
 		tasks     []*h.TaskSeedData
 		allQueues []string
 		allGroups map[string][]string
-		groups    map[string][]*redis.Z
+		groups    map[string][]redis.Z
 	}{
 		tasks: []*h.TaskSeedData{
 			{Msg: m1, State: base.TaskStateAggregating},
@@ -4770,7 +4768,7 @@ func TestDeleteAllAggregatingTasks(t *testing.T) {
 			base.AllGroups("default"): {"group1"},
 			base.AllGroups("custom"):  {"group1"},
 		},
-		groups: map[string][]*redis.Z{
+		groups: map[string][]redis.Z{
 			base.GroupKey("default", "group1"): {
 				{Member: m1.ID, Score: float64(now.Add(-20 * time.Second).Unix())},
 				{Member: m2.ID, Score: float64(now.Add(-25 * time.Second).Unix())},
--- a/internal/rdb/rdb.go
+++ b/internal/rdb/rdb.go
@@ -11,11 +11,11 @@ import (
 	"math"
 	"time"

-	"github.com/go-redis/redis/v8"
 	"github.com/google/uuid"
 	"github.com/hibiken/asynq/internal/base"
 	"github.com/hibiken/asynq/internal/errors"
 	"github.com/hibiken/asynq/internal/timeutil"
+	"github.com/redis/go-redis/v9"
 	"github.com/spf13/cast"
 )

@@ -67,7 +67,7 @@ func (r *RDB) runScript(ctx context.Context, op errors.Op, script *redis.Script,
 	return nil
 }

-// Runs the given script with keys and args and retuns the script's return value as int64.
+// Runs the given script with keys and args and returns the script's return value as int64.
 func (r *RDB) runScriptWithErrorCode(ctx context.Context, op errors.Op, script *redis.Script, keys []string, args ...interface{}) (int64, error) {
 	res, err := script.Run(ctx, r.client, keys, args...).Result()
 	if err != nil {
@@ -152,7 +152,7 @@ func (r *RDB) Enqueue(ctx context.Context, msg *base.TaskMessage) error {
 var enqueueUniqueCmd = redis.NewScript(`
 local ok = redis.call("SET", KEYS[1], ARGV[1], "NX", "EX", ARGV[2])
 if not ok then
-  return -1 
+  return -1
 end
 if redis.call("EXISTS", KEYS[2]) == 1 then
  return 0
@@ -368,7 +368,7 @@ func (r *RDB) Done(ctx context.Context, msg *base.TaskMessage) error {
 //
 // ARGV[1] -> task ID
 // ARGV[2] -> stats expiration timestamp
-// ARGV[3] -> task exipration time in unix time
+// ARGV[3] -> task expiration time in unix time
 // ARGV[4] -> task message data
 // ARGV[5] -> max int64 value
 var markAsCompleteCmd = redis.NewScript(`
@@ -379,7 +379,7 @@ if redis.call("ZREM", KEYS[2], ARGV[1]) == 0 then
  return redis.error_reply("NOT FOUND")
 end
 if redis.call("ZADD", KEYS[3], ARGV[3], ARGV[1]) ~= 1 then
-  redis.redis.error_reply("INTERNAL")
+  return redis.error_reply("INTERNAL")
 end
 redis.call("HSET", KEYS[4], "msg", ARGV[4], "state", "completed")
 local n = redis.call("INCR", KEYS[5])
@@ -405,7 +405,7 @@ return redis.status_reply("OK")
 //
 // ARGV[1] -> task ID
 // ARGV[2] -> stats expiration timestamp
-// ARGV[3] -> task exipration time in unix time
+// ARGV[3] -> task expiration time in unix time
 // ARGV[4] -> task message data
 // ARGV[5] -> max int64 value
 var markAsCompleteUniqueCmd = redis.NewScript(`
@@ -416,7 +416,7 @@ if redis.call("ZREM", KEYS[2], ARGV[1]) == 0 then
  return redis.error_reply("NOT FOUND")
 end
 if redis.call("ZADD", KEYS[3], ARGV[3], ARGV[1]) ~= 1 then
-  redis.redis.error_reply("INTERNAL")
+  return redis.error_reply("INTERNAL")
 end
 redis.call("HSET", KEYS[4], "msg", ARGV[4], "state", "completed")
 local n = redis.call("INCR", KEYS[5])
@@ -1086,7 +1086,7 @@ const aggregationTimeout = 2 * time.Minute
 // The time for gracePeriod and maxDelay is computed relative to the time t.
 //
 // Note: It assumes that this function is called at frequency less than or equal to the gracePeriod. In other words,
-// the function only checks the most recently added task aganist the given gracePeriod.
+// the function only checks the most recently added task against the given gracePeriod.
 func (r *RDB) AggregationCheck(qname, gname string, t time.Time, gracePeriod, maxDelay time.Duration, maxSize int) (string, error) {
 	var op errors.Op = "RDB.AggregationCheck"
 	aggregationSetID := uuid.NewString()
@@ -1319,9 +1319,9 @@ func (r *RDB) ListLeaseExpired(cutoff time.Time, qnames ...string) ([]*base.Task
 // It returns a new expiration time if the operation was successful.
 func (r *RDB) ExtendLease(qname string, ids ...string) (expirationTime time.Time, err error) {
 	expireAt := r.clock.Now().Add(LeaseDuration)
-	var zs []*redis.Z
+	var zs []redis.Z
 	for _, id := range ids {
-		zs = append(zs, &redis.Z{Member: id, Score: float64(expireAt.Unix())})
+		zs = append(zs, redis.Z{Member: id, Score: float64(expireAt.Unix())})
 	}
 	// Use XX option to only update elements that already exist; Don't add new elements
 	// TODO: Consider adding GT option to ensure we only "extend" the lease. Ceveat is that GT is supported from redis v6.2.0 or above.
@@ -1367,10 +1367,10 @@ func (r *RDB) WriteServerState(info *base.ServerInfo, workers []*base.WorkerInfo
 	}
 	skey := base.ServerInfoKey(info.Host, info.PID, info.ServerID)
 	wkey := base.WorkersKey(info.Host, info.PID, info.ServerID)
-	if err := r.client.ZAdd(ctx, base.AllServers, &redis.Z{Score: float64(exp.Unix()), Member: skey}).Err(); err != nil {
+	if err := r.client.ZAdd(ctx, base.AllServers, redis.Z{Score: float64(exp.Unix()), Member: skey}).Err(); err != nil {
 		return errors.E(op, errors.Unknown, &errors.RedisCommandError{Command: "sadd", Err: err})
 	}
-	if err := r.client.ZAdd(ctx, base.AllWorkers, &redis.Z{Score: float64(exp.Unix()), Member: wkey}).Err(); err != nil {
+	if err := r.client.ZAdd(ctx, base.AllWorkers, redis.Z{Score: float64(exp.Unix()), Member: wkey}).Err(); err != nil {
 		return errors.E(op, errors.Unknown, &errors.RedisCommandError{Command: "zadd", Err: err})
 	}
 	return r.runScript(ctx, op, writeServerStateCmd, []string{skey, wkey}, args...)
@@ -1423,7 +1423,7 @@ func (r *RDB) WriteSchedulerEntries(schedulerID string, entries []*base.Schedule
 	}
 	exp := r.clock.Now().Add(ttl).UTC()
 	key := base.SchedulerEntriesKey(schedulerID)
-	err := r.client.ZAdd(ctx, base.AllSchedulers, &redis.Z{Score: float64(exp.Unix()), Member: key}).Err()
+	err := r.client.ZAdd(ctx, base.AllSchedulers, redis.Z{Score: float64(exp.Unix()), Member: key}).Err()
 	if err != nil {
 		return errors.E(op, errors.Unknown, &errors.RedisCommandError{Command: "zadd", Err: err})
 	}
--- a/internal/rdb/rdb_test.go
+++ b/internal/rdb/rdb_test.go
@@ -15,7 +15,6 @@ import (
 	"testing"
 	"time"

-	"github.com/go-redis/redis/v8"
 	"github.com/google/go-cmp/cmp"
 	"github.com/google/go-cmp/cmp/cmpopts"
 	"github.com/google/uuid"
@@ -23,6 +22,7 @@ import (
 	"github.com/hibiken/asynq/internal/errors"
 	h "github.com/hibiken/asynq/internal/testutil"
 	"github.com/hibiken/asynq/internal/timeutil"
+	"github.com/redis/go-redis/v9"
 )

 // variables used for package testing.
@@ -1272,7 +1272,6 @@ func TestAddToGroupeTaskIdConflictError(t *testing.T) {
 			continue
 		}
 	}
-
 }

 func TestAddToGroupUnique(t *testing.T) {
@@ -1356,7 +1355,6 @@ func TestAddToGroupUnique(t *testing.T) {
 			continue
 		}
 	}
-
 }

 func TestAddToGroupUniqueTaskIdConflictError(t *testing.T) {
@@ -1398,7 +1396,6 @@ func TestAddToGroupUniqueTaskIdConflictError(t *testing.T) {
 			continue
 		}
 	}
-
 }

 func TestSchedule(t *testing.T) {
@@ -3122,7 +3119,7 @@ func TestAggregationCheck(t *testing.T) {
 		desc string
 		// initial data
 		tasks     []*h.TaskSeedData
-		groups    map[string][]*redis.Z
+		groups    map[string][]redis.Z
 		allGroups map[string][]string

 		// args
@@ -3141,7 +3138,7 @@ func TestAggregationCheck(t *testing.T) {
 		{
 			desc:  "with an empty group",
 			tasks: []*h.TaskSeedData{},
-			groups: map[string][]*redis.Z{
+			groups: map[string][]redis.Z{
 				base.GroupKey("default", "mygroup"): {},
 			},
 			allGroups: map[string][]string{
@@ -3168,7 +3165,7 @@ func TestAggregationCheck(t *testing.T) {
 				{Msg: msg4, State: base.TaskStateAggregating},
 				{Msg: msg5, State: base.TaskStateAggregating},
 			},
-			groups: map[string][]*redis.Z{
+			groups: map[string][]redis.Z{
 				base.GroupKey("default", "mygroup"): {
 					{Member: msg1.ID, Score: float64(now.Add(-5 * time.Minute).Unix())},
 					{Member: msg2.ID, Score: float64(now.Add(-3 * time.Minute).Unix())},
@@ -3201,7 +3198,7 @@ func TestAggregationCheck(t *testing.T) {
 				{Msg: msg4, State: base.TaskStateAggregating},
 				{Msg: msg5, State: base.TaskStateAggregating},
 			},
-			groups: map[string][]*redis.Z{
+			groups: map[string][]redis.Z{
 				base.GroupKey("default", "mygroup"): {
 					{Member: msg1.ID, Score: float64(now.Add(-5 * time.Minute).Unix())},
 					{Member: msg2.ID, Score: float64(now.Add(-3 * time.Minute).Unix())},
@@ -3235,7 +3232,7 @@ func TestAggregationCheck(t *testing.T) {
 				{Msg: msg2, State: base.TaskStateAggregating},
 				{Msg: msg3, State: base.TaskStateAggregating},
 			},
-			groups: map[string][]*redis.Z{
+			groups: map[string][]redis.Z{
 				base.GroupKey("default", "mygroup"): {
 					{Member: msg1.ID, Score: float64(now.Add(-5 * time.Minute).Unix())},
 					{Member: msg2.ID, Score: float64(now.Add(-3 * time.Minute).Unix())},
@@ -3266,7 +3263,7 @@ func TestAggregationCheck(t *testing.T) {
 				{Msg: msg4, State: base.TaskStateAggregating},
 				{Msg: msg5, State: base.TaskStateAggregating},
 			},
-			groups: map[string][]*redis.Z{
+			groups: map[string][]redis.Z{
 				base.GroupKey("default", "mygroup"): {
 					{Member: msg1.ID, Score: float64(now.Add(-15 * time.Minute).Unix())},
 					{Member: msg2.ID, Score: float64(now.Add(-3 * time.Minute).Unix())},
@@ -3299,7 +3296,7 @@ func TestAggregationCheck(t *testing.T) {
 				{Msg: msg4, State: base.TaskStateAggregating},
 				{Msg: msg5, State: base.TaskStateAggregating},
 			},
-			groups: map[string][]*redis.Z{
+			groups: map[string][]redis.Z{
 				base.GroupKey("default", "mygroup"): {
 					{Member: msg1.ID, Score: float64(now.Add(-15 * time.Minute).Unix())},
 					{Member: msg2.ID, Score: float64(now.Add(-3 * time.Minute).Unix())},
@@ -3338,7 +3335,7 @@ func TestAggregationCheck(t *testing.T) {
 				{Msg: msg4, State: base.TaskStateAggregating},
 				{Msg: msg5, State: base.TaskStateAggregating},
 			},
-			groups: map[string][]*redis.Z{
+			groups: map[string][]redis.Z{
 				base.GroupKey("default", "mygroup"): {
 					{Member: msg1.ID, Score: float64(now.Add(-15 * time.Minute).Unix())},
 					{Member: msg2.ID, Score: float64(now.Add(-3 * time.Minute).Unix())},
@@ -3371,7 +3368,7 @@ func TestAggregationCheck(t *testing.T) {
 				{Msg: msg4, State: base.TaskStateAggregating},
 				{Msg: msg5, State: base.TaskStateAggregating},
 			},
-			groups: map[string][]*redis.Z{
+			groups: map[string][]redis.Z{
 				base.GroupKey("default", "mygroup"): {
 					{Member: msg1.ID, Score: float64(now.Add(-15 * time.Minute).Unix())},
 					{Member: msg2.ID, Score: float64(now.Add(-3 * time.Minute).Unix())},
@@ -3473,8 +3470,8 @@ func TestDeleteAggregationSet(t *testing.T) {
 		desc string
 		// initial data
 		tasks              []*h.TaskSeedData
-		aggregationSets    map[string][]*redis.Z
-		allAggregationSets map[string][]*redis.Z
+		aggregationSets    map[string][]redis.Z
+		allAggregationSets map[string][]redis.Z

 		// args
 		ctx   context.Context
@@ -3494,14 +3491,14 @@ func TestDeleteAggregationSet(t *testing.T) {
 				{Msg: m2, State: base.TaskStateAggregating},
 				{Msg: m3, State: base.TaskStateAggregating},
 			},
-			aggregationSets: map[string][]*redis.Z{
+			aggregationSets: map[string][]redis.Z{
 				base.AggregationSetKey("default", "mygroup", setID): {
 					{Member: m1.ID, Score: float64(now.Add(-5 * time.Minute).Unix())},
 					{Member: m2.ID, Score: float64(now.Add(-4 * time.Minute).Unix())},
 					{Member: m3.ID, Score: float64(now.Add(-3 * time.Minute).Unix())},
 				},
 			},
-			allAggregationSets: map[string][]*redis.Z{
+			allAggregationSets: map[string][]redis.Z{
 				base.AllAggregationSets("default"): {
 					{Member: base.AggregationSetKey("default", "mygroup", setID), Score: float64(now.Add(aggregationTimeout).Unix())},
 				},
@@ -3528,7 +3525,7 @@ func TestDeleteAggregationSet(t *testing.T) {
 				{Msg: m2, State: base.TaskStateAggregating},
 				{Msg: m3, State: base.TaskStateAggregating},
 			},
-			aggregationSets: map[string][]*redis.Z{
+			aggregationSets: map[string][]redis.Z{
 				base.AggregationSetKey("default", "mygroup", setID): {
 					{Member: m1.ID, Score: float64(now.Add(-5 * time.Minute).Unix())},
 				},
@@ -3537,7 +3534,7 @@ func TestDeleteAggregationSet(t *testing.T) {
 					{Member: m3.ID, Score: float64(now.Add(-3 * time.Minute).Unix())},
 				},
 			},
-			allAggregationSets: map[string][]*redis.Z{
+			allAggregationSets: map[string][]redis.Z{
 				base.AllAggregationSets("default"): {
 					{Member: base.AggregationSetKey("default", "mygroup", setID), Score: float64(now.Add(aggregationTimeout).Unix())},
 					{Member: base.AggregationSetKey("default", "mygroup", otherSetID), Score: float64(now.Add(aggregationTimeout).Unix())},
@@ -3602,8 +3599,8 @@ func TestDeleteAggregationSetError(t *testing.T) {
 		desc string
 		// initial data
 		tasks              []*h.TaskSeedData
-		aggregationSets    map[string][]*redis.Z
-		allAggregationSets map[string][]*redis.Z
+		aggregationSets    map[string][]redis.Z
+		allAggregationSets map[string][]redis.Z

 		// args
 		ctx   context.Context
@@ -3622,14 +3619,14 @@ func TestDeleteAggregationSetError(t *testing.T) {
 				{Msg: m2, State: base.TaskStateAggregating},
 				{Msg: m3, State: base.TaskStateAggregating},
 			},
-			aggregationSets: map[string][]*redis.Z{
+			aggregationSets: map[string][]redis.Z{
 				base.AggregationSetKey("default", "mygroup", setID): {
 					{Member: m1.ID, Score: float64(now.Add(-5 * time.Minute).Unix())},
 					{Member: m2.ID, Score: float64(now.Add(-4 * time.Minute).Unix())},
 					{Member: m3.ID, Score: float64(now.Add(-3 * time.Minute).Unix())},
 				},
 			},
-			allAggregationSets: map[string][]*redis.Z{
+			allAggregationSets: map[string][]redis.Z{
 				base.AllAggregationSets("default"): {
 					{Member: base.AggregationSetKey("default", "mygroup", setID), Score: float64(now.Add(aggregationTimeout).Unix())},
 				},
@@ -3688,23 +3685,23 @@ func TestReclaimStaleAggregationSets(t *testing.T) {
 	// Note: In this test, we're trying out a new way to test RDB by exactly describing how
 	// keys and values are represented in Redis.
 	tests := []struct {
-		groups                 map[string][]*redis.Z // map redis-key to redis-zset
-		aggregationSets        map[string][]*redis.Z
-		allAggregationSets     map[string][]*redis.Z
+		groups                 map[string][]redis.Z // map redis-key to redis-zset
+		aggregationSets        map[string][]redis.Z
+		allAggregationSets     map[string][]redis.Z
 		qname                  string
 		wantGroups             map[string][]redis.Z
 		wantAggregationSets    map[string][]redis.Z
 		wantAllAggregationSets map[string][]redis.Z
 	}{
 		{
-			groups: map[string][]*redis.Z{
+			groups: map[string][]redis.Z{
 				base.GroupKey("default", "foo"): {},
 				base.GroupKey("default", "bar"): {},
 				base.GroupKey("default", "qux"): {
 					{Member: m4.ID, Score: float64(now.Add(-10 * time.Second).Unix())},
 				},
 			},
-			aggregationSets: map[string][]*redis.Z{
+			aggregationSets: map[string][]redis.Z{
 				base.AggregationSetKey("default", "foo", "set1"): {
 					{Member: m1.ID, Score: float64(now.Add(-3 * time.Minute).Unix())},
 					{Member: m2.ID, Score: float64(now.Add(-4 * time.Minute).Unix())},
@@ -3713,7 +3710,7 @@ func TestReclaimStaleAggregationSets(t *testing.T) {
 					{Member: m3.ID, Score: float64(now.Add(-1 * time.Minute).Unix())},
 				},
 			},
-			allAggregationSets: map[string][]*redis.Z{
+			allAggregationSets: map[string][]redis.Z{
 				base.AllAggregationSets("default"): {
 					{Member: base.AggregationSetKey("default", "foo", "set1"), Score: float64(now.Add(-10 * time.Second).Unix())}, // set1 is expired
 					{Member: base.AggregationSetKey("default", "bar", "set2"), Score: float64(now.Add(40 * time.Second).Unix())},  // set2 is not expired
--- a/internal/testbroker/testbroker.go
+++ b/internal/testbroker/testbroker.go
@@ -11,7 +11,7 @@ import (
 	"sync"
 	"time"

-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
 	"github.com/hibiken/asynq/internal/base"
 )

--- a/internal/testutil/testutil.go
+++ b/internal/testutil/testutil.go
@@ -13,12 +13,12 @@ import (
 	"testing"
 	"time"

-	"github.com/go-redis/redis/v8"
 	"github.com/google/go-cmp/cmp"
 	"github.com/google/go-cmp/cmp/cmpopts"
 	"github.com/google/uuid"
 	"github.com/hibiken/asynq/internal/base"
 	"github.com/hibiken/asynq/internal/timeutil"
+	"github.com/redis/go-redis/v9"
 )

 // EquateInt64Approx returns a Comparer option that treats int64 values
@@ -252,7 +252,7 @@ func SeedLease(tb testing.TB, r redis.UniversalClient, entries []base.Z, qname s
 	seedRedisZSet(tb, r, base.LeaseKey(qname), entries, base.TaskStateActive)
 }

-// SeedCompletedQueue initializes the completed set witht the given entries.
+// SeedCompletedQueue initializes the completed set with the given entries.
 func SeedCompletedQueue(tb testing.TB, r redis.UniversalClient, entries []base.Z, qname string) {
 	tb.Helper()
 	r.SAdd(context.Background(), base.AllQueues, qname)
@@ -377,7 +377,7 @@ func seedRedisZSet(tb testing.TB, c redis.UniversalClient, key string,
 	for _, item := range items {
 		msg := item.Message
 		encoded := MustMarshal(tb, msg)
-		z := &redis.Z{Member: msg.ID, Score: float64(item.Score)}
+		z := redis.Z{Member: msg.ID, Score: float64(item.Score)}
 		if err := c.ZAdd(context.Background(), key, z).Err(); err != nil {
 			tb.Fatal(err)
 		}
@@ -570,7 +570,7 @@ func SeedTasks(tb testing.TB, r redis.UniversalClient, taskData []*TaskSeedData)
 	}
 }

-func SeedRedisZSets(tb testing.TB, r redis.UniversalClient, zsets map[string][]*redis.Z) {
+func SeedRedisZSets(tb testing.TB, r redis.UniversalClient, zsets map[string][]redis.Z) {
 	for key, zs := range zsets {
 		// FIXME: How come we can't simply do ZAdd(ctx, key, zs...) here?
 		for _, z := range zs {
--- a/recoverer.go
+++ b/recoverer.go
@@ -87,7 +87,7 @@ func (r *recoverer) recover() {
 }

 func (r *recoverer) recoverLeaseExpiredTasks() {
-	// Get all tasks which have expired 30 seconds ago or earlier to accomodate certain amount of clock skew.
+	// Get all tasks which have expired 30 seconds ago or earlier to accommodate certain amount of clock skew.
 	cutoff := time.Now().Add(-30 * time.Second)
 	msgs, err := r.broker.ListLeaseExpired(cutoff, r.queues...)
 	if err != nil {
--- a/scheduler.go
+++ b/scheduler.go
@@ -10,7 +10,7 @@ import (
 	"sync"
 	"time"

-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
 	"github.com/google/uuid"
 	"github.com/hibiken/asynq/internal/base"
 	"github.com/hibiken/asynq/internal/log"
@@ -26,14 +26,16 @@ type Scheduler struct {

 	state *serverState

-	logger     *log.Logger
-	client     *Client
-	rdb        *rdb.RDB
-	cron       *cron.Cron
-	location   *time.Location
-	done       chan struct{}
-	wg         sync.WaitGroup
-	errHandler func(task *Task, opts []Option, err error)
+	logger          *log.Logger
+	client          *Client
+	rdb             *rdb.RDB
+	cron            *cron.Cron
+	location        *time.Location
+	done            chan struct{}
+	wg              sync.WaitGroup
+	preEnqueueFunc  func(task *Task, opts []Option)
+	postEnqueueFunc func(info *TaskInfo, err error)
+	errHandler      func(task *Task, opts []Option, err error)

 	// guards idmap
 	mu sync.Mutex
@@ -67,16 +69,18 @@ func NewScheduler(r RedisConnOpt, opts *SchedulerOpts) *Scheduler {
 	}

 	return &Scheduler{
-		id:         generateSchedulerID(),
-		state:      &serverState{value: srvStateNew},
-		logger:     logger,
-		client:     NewClient(r),
-		rdb:        rdb.NewRDB(c),
-		cron:       cron.New(cron.WithLocation(loc)),
-		location:   loc,
-		done:       make(chan struct{}),
-		errHandler: opts.EnqueueErrorHandler,
-		idmap:      make(map[string]cron.EntryID),
+		id:              generateSchedulerID(),
+		state:           &serverState{value: srvStateNew},
+		logger:          logger,
+		client:          NewClient(r),
+		rdb:             rdb.NewRDB(c),
+		cron:            cron.New(cron.WithLocation(loc)),
+		location:        loc,
+		done:            make(chan struct{}),
+		preEnqueueFunc:  opts.PreEnqueueFunc,
+		postEnqueueFunc: opts.PostEnqueueFunc,
+		errHandler:      opts.EnqueueErrorHandler,
+		idmap:           make(map[string]cron.EntryID),
 	}
 }

@@ -105,28 +109,44 @@ type SchedulerOpts struct {
 	// If unset, the UTC time zone (time.UTC) is used.
 	Location *time.Location

+	// PreEnqueueFunc, if provided, is called before a task gets enqueued by Scheduler.
+	// The callback function should return quickly to not block the current thread.
+	PreEnqueueFunc func(task *Task, opts []Option)
+
+	// PostEnqueueFunc, if provided, is called after a task gets enqueued by Scheduler.
+	// The callback function should return quickly to not block the current thread.
+	PostEnqueueFunc func(info *TaskInfo, err error)
+
+	// Deprecated: Use PostEnqueueFunc instead
 	// EnqueueErrorHandler gets called when scheduler cannot enqueue a registered task
 	// due to an error.
 	EnqueueErrorHandler func(task *Task, opts []Option, err error)
 }

-// enqueueJob encapsulates the job of enqueing a task and recording the event.
+// enqueueJob encapsulates the job of enqueuing a task and recording the event.
 type enqueueJob struct {
-	id         uuid.UUID
-	cronspec   string
-	task       *Task
-	opts       []Option
-	location   *time.Location
-	logger     *log.Logger
-	client     *Client
-	rdb        *rdb.RDB
-	errHandler func(task *Task, opts []Option, err error)
+	id              uuid.UUID
+	cronspec        string
+	task            *Task
+	opts            []Option
+	location        *time.Location
+	logger          *log.Logger
+	client          *Client
+	rdb             *rdb.RDB
+	preEnqueueFunc  func(task *Task, opts []Option)
+	postEnqueueFunc func(info *TaskInfo, err error)
+	errHandler      func(task *Task, opts []Option, err error)
 }

 func (j *enqueueJob) Run() {
+	if j.preEnqueueFunc != nil {
+		j.preEnqueueFunc(j.task, j.opts)
+	}
 	info, err := j.client.Enqueue(j.task, j.opts...)
+	if j.postEnqueueFunc != nil {
+		j.postEnqueueFunc(info, err)
+	}
 	if err != nil {
-		j.logger.Errorf("scheduler could not enqueue a task %+v: %v", j.task, err)
 		if j.errHandler != nil {
 			j.errHandler(j.task, j.opts, err)
 		}
@@ -139,7 +159,7 @@ func (j *enqueueJob) Run() {
 	}
 	err = j.rdb.RecordSchedulerEnqueueEvent(j.id.String(), event)
 	if err != nil {
-		j.logger.Errorf("scheduler could not record enqueue event of enqueued task %+v: %v", j.task, err)
+		j.logger.Warnf("scheduler could not record enqueue event of enqueued task %s: %v", info.ID, err)
 	}
 }

@@ -147,15 +167,17 @@ func (j *enqueueJob) Run() {
 // It returns an ID of the newly registered entry.
 func (s *Scheduler) Register(cronspec string, task *Task, opts ...Option) (entryID string, err error) {
 	job := &enqueueJob{
-		id:         uuid.New(),
-		cronspec:   cronspec,
-		task:       task,
-		opts:       opts,
-		location:   s.location,
-		client:     s.client,
-		rdb:        s.rdb,
-		logger:     s.logger,
-		errHandler: s.errHandler,
+		id:              uuid.New(),
+		cronspec:        cronspec,
+		task:            task,
+		opts:            opts,
+		location:        s.location,
+		client:          s.client,
+		rdb:             s.rdb,
+		logger:          s.logger,
+		preEnqueueFunc:  s.preEnqueueFunc,
+		postEnqueueFunc: s.postEnqueueFunc,
+		errHandler:      s.errHandler,
 	}
 	cronID, err := s.cron.AddJob(cronspec, job)
 	if err != nil {
@@ -252,6 +274,7 @@ func (s *Scheduler) runHeartbeater() {
 		case <-s.done:
 			s.logger.Debugf("Scheduler heatbeater shutting down")
 			s.rdb.ClearSchedulerEntries(s.id)
+			ticker.Stop()
 			return
 		case <-ticker.C:
 			s.beat()
--- a/scheduler_test.go
+++ b/scheduler_test.go
@@ -10,6 +10,7 @@ import (
 	"time"

 	"github.com/google/go-cmp/cmp"
+
 	"github.com/hibiken/asynq/internal/base"
 	"github.com/hibiken/asynq/internal/testutil"
 )
@@ -154,3 +155,56 @@ func TestSchedulerUnregister(t *testing.T) {
 		}
 	}
 }
+
+func TestSchedulerPostAndPreEnqueueHandler(t *testing.T) {
+	var (
+		preMu       sync.Mutex
+		preCounter  int
+		postMu      sync.Mutex
+		postCounter int
+	)
+	preHandler := func(task *Task, opts []Option) {
+		preMu.Lock()
+		preCounter++
+		preMu.Unlock()
+	}
+	postHandler := func(info *TaskInfo, err error) {
+		postMu.Lock()
+		postCounter++
+		postMu.Unlock()
+	}
+
+	// Connect to non-existent redis instance to simulate a redis server being down.
+	scheduler := NewScheduler(
+		getRedisConnOpt(t),
+		&SchedulerOpts{
+			PreEnqueueFunc:  preHandler,
+			PostEnqueueFunc: postHandler,
+		},
+	)
+
+	task := NewTask("test", nil)
+
+	if _, err := scheduler.Register("@every 3s", task); err != nil {
+		t.Fatal(err)
+	}
+
+	if err := scheduler.Start(); err != nil {
+		t.Fatal(err)
+	}
+	// Scheduler should attempt to enqueue the task three times (every 3s).
+	time.Sleep(10 * time.Second)
+	scheduler.Shutdown()
+
+	preMu.Lock()
+	if preCounter != 3 {
+		t.Errorf("PreEnqueueFunc was called %d times, want 3", preCounter)
+	}
+	preMu.Unlock()
+
+	postMu.Lock()
+	if postCounter != 3 {
+		t.Errorf("PostEnqueueFunc was called %d times, want 3", postCounter)
+	}
+	postMu.Unlock()
+}
--- a/server.go
+++ b/server.go
@@ -15,7 +15,7 @@ import (
 	"sync"
 	"time"

-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
 	"github.com/hibiken/asynq/internal/base"
 	"github.com/hibiken/asynq/internal/log"
 	"github.com/hibiken/asynq/internal/rdb"
@@ -242,7 +242,7 @@ func (fn GroupAggregatorFunc) Aggregate(group string, tasks []*Task) *Task {
 	return fn(group, tasks)
 }

-// An ErrorHandler handles an error occured during task processing.
+// An ErrorHandler handles an error occurred during task processing.
 type ErrorHandler interface {
 	HandleError(ctx context.Context, task *Task, err error)
 }
--- a/server_test.go
+++ b/server_test.go
@@ -19,8 +19,8 @@ import (

 func TestServer(t *testing.T) {
 	// https://github.com/go-redis/redis/issues/1029
-	ignoreOpt := goleak.IgnoreTopFunction("github.com/go-redis/redis/v8/internal/pool.(*ConnPool).reaper")
-	defer goleak.VerifyNoLeaks(t, ignoreOpt)
+	ignoreOpt := goleak.IgnoreTopFunction("github.com/redis/go-redis/v9/internal/pool.(*ConnPool).reaper")
+	defer goleak.VerifyNone(t, ignoreOpt)

 	redisConnOpt := getRedisConnOpt(t)
 	c := NewClient(redisConnOpt)
@@ -55,8 +55,8 @@ func TestServer(t *testing.T) {

 func TestServerRun(t *testing.T) {
 	// https://github.com/go-redis/redis/issues/1029
-	ignoreOpt := goleak.IgnoreTopFunction("github.com/go-redis/redis/v8/internal/pool.(*ConnPool).reaper")
-	defer goleak.VerifyNoLeaks(t, ignoreOpt)
+	ignoreOpt := goleak.IgnoreTopFunction("github.com/redis/go-redis/v9/internal/pool.(*ConnPool).reaper")
+	defer goleak.VerifyNone(t, ignoreOpt)

 	srv := NewServer(RedisClientOpt{Addr: ":6379"}, Config{LogLevel: testLogLevel})

--- a/subscriber.go
+++ b/subscriber.go
@@ -8,7 +8,7 @@ import (
 	"sync"
 	"time"

-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
 	"github.com/hibiken/asynq/internal/base"
 	"github.com/hibiken/asynq/internal/log"
 )
--- a/tools/asynq/README.md
+++ b/tools/asynq/README.md
@@ -12,7 +12,7 @@ Asynq CLI is a command line tool to monitor the queues and tasks managed by `asy

 In order to use the tool, compile it using the following command:

-    go get github.com/hibiken/asynq/tools/asynq
+    go install github.com/hibiken/asynq/tools/asynq

 This will create the asynq executable under your `$GOPATH/bin` directory.

@@ -22,6 +22,7 @@ This will create the asynq executable under your `$GOPATH/bin` directory.

 To view details on any command, use `asynq help <command> <subcommand>`.

+- `asynq dash`
 - `asynq stats`
 - `asynq queue [ls inspect history rm pause unpause]`
 - `asynq task [ls cancel delete archive run delete-all archive-all run-all]`
--- a/tools/asynq/cmd/cron.go
+++ b/tools/asynq/cmd/cron.go
@@ -11,6 +11,7 @@ import (
 	"sort"
 	"time"

+	"github.com/MakeNowJust/heredoc/v2"
 	"github.com/hibiken/asynq"
 	"github.com/spf13/cobra"
 )
@@ -24,21 +25,30 @@ func init() {
 }

 var cronCmd = &cobra.Command{
-	Use:   "cron",
+	Use:   "cron <command> [flags]",
 	Short: "Manage cron",
+	Example: heredoc.Doc(`
+		$ asynq cron ls
+		$ asynq cron history 7837f142-6337-4217-9276-8f27281b67d1`),
 }

 var cronListCmd = &cobra.Command{
-	Use:   "ls",
-	Short: "List cron entries",
-	Run:   cronList,
+	Use:     "list",
+	Aliases: []string{"ls"},
+	Short:   "List cron entries",
+	Run:     cronList,
 }

 var cronHistoryCmd = &cobra.Command{
-	Use:   "history [ENTRY_ID...]",
+	Use:   "history <entry_id> [<entry_id>...]",
 	Short: "Show history of each cron tasks",
 	Args:  cobra.MinimumNArgs(1),
 	Run:   cronHistory,
+	Example: heredoc.Doc(`
+		$ asynq cron history 7837f142-6337-4217-9276-8f27281b67d1
+		$ asynq cron history 7837f142-6337-4217-9276-8f27281b67d1 bf6a8594-cd03-4968-b36a-8572c5e160dd
+		$ asynq cron history 7837f142-6337-4217-9276-8f27281b67d1 --size=100
+		$ asynq cron history 7837f142-6337-4217-9276-8f27281b67d1 --page=2`),
 }

 func cronList(cmd *cobra.Command, args []string) {
--- a/tools/asynq/cmd/dash.go
+++ b/tools/asynq/cmd/dash.go
@@ -0,0 +1,45 @@
+// Copyright 2022 Kentaro Hibino. All rights reserved.
+// Use of this source code is governed by a MIT license
+// that can be found in the LICENSE file.
+
+package cmd
+
+import (
+	"fmt"
+	"os"
+	"time"
+
+	"github.com/MakeNowJust/heredoc/v2"
+	"github.com/hibiken/asynq/tools/asynq/cmd/dash"
+	"github.com/spf13/cobra"
+)
+
+var (
+	flagPollInterval = 8 * time.Second
+)
+
+func init() {
+	rootCmd.AddCommand(dashCmd)
+	dashCmd.Flags().DurationVar(&flagPollInterval, "refresh", 8*time.Second, "Interval between data refresh (default: 8s, min allowed: 1s)")
+}
+
+var dashCmd = &cobra.Command{
+	Use:   "dash",
+	Short: "View dashboard",
+	Long: heredoc.Doc(`
+		Display interactive dashboard.`),
+	Args: cobra.NoArgs,
+	Example: heredoc.Doc(`
+        $ asynq dash
+        $ asynq dash --refresh=3s`),
+	Run: func(cmd *cobra.Command, args []string) {
+		if flagPollInterval < 1*time.Second {
+			fmt.Println("error: --refresh cannot be less than 1s")
+			os.Exit(1)
+		}
+		dash.Run(dash.Options{
+			PollInterval: flagPollInterval,
+			RedisConnOpt: getRedisConnOpt(),
+		})
+	},
+}
--- a/tools/asynq/cmd/dash/dash.go
+++ b/tools/asynq/cmd/dash/dash.go
@@ -0,0 +1,220 @@
+// Copyright 2022 Kentaro Hibino. All rights reserved.
+// Use of this source code is governed by a MIT license
+// that can be found in the LICENSE file.
+
+package dash
+
+import (
+	"errors"
+	"fmt"
+	"os"
+	"strings"
+	"time"
+
+	"github.com/gdamore/tcell/v2"
+	"github.com/hibiken/asynq"
+)
+
+// viewType is an enum for dashboard views.
+type viewType int
+
+const (
+	viewTypeQueues viewType = iota
+	viewTypeQueueDetails
+	viewTypeHelp
+)
+
+// State holds dashboard state.
+type State struct {
+	queues []*asynq.QueueInfo
+	tasks  []*asynq.TaskInfo
+	groups []*asynq.GroupInfo
+	err    error
+
+	// Note: index zero corresponds to the table header; index=1 correctponds to the first element
+	queueTableRowIdx int             // highlighted row in queue table
+	taskTableRowIdx  int             // highlighted row in task table
+	groupTableRowIdx int             // highlighted row in group table
+	taskState        asynq.TaskState // highlighted task state in queue details view
+	taskID           string          // selected task ID
+
+	selectedQueue *asynq.QueueInfo // queue shown on queue details view
+	selectedGroup *asynq.GroupInfo
+	selectedTask  *asynq.TaskInfo
+
+	pageNum int // pagination page number
+
+	view     viewType // current view type
+	prevView viewType // to support "go back"
+}
+
+func (s *State) DebugString() string {
+	var b strings.Builder
+	b.WriteString(fmt.Sprintf("len(queues)=%d ", len(s.queues)))
+	b.WriteString(fmt.Sprintf("len(tasks)=%d ", len(s.tasks)))
+	b.WriteString(fmt.Sprintf("len(groups)=%d ", len(s.groups)))
+	b.WriteString(fmt.Sprintf("err=%v ", s.err))
+
+	if s.taskState != 0 {
+		b.WriteString(fmt.Sprintf("taskState=%s ", s.taskState.String()))
+	} else {
+		b.WriteString(fmt.Sprintf("taskState=0"))
+	}
+	b.WriteString(fmt.Sprintf("taskID=%s ", s.taskID))
+
+	b.WriteString(fmt.Sprintf("queueTableRowIdx=%d ", s.queueTableRowIdx))
+	b.WriteString(fmt.Sprintf("taskTableRowIdx=%d ", s.taskTableRowIdx))
+	b.WriteString(fmt.Sprintf("groupTableRowIdx=%d ", s.groupTableRowIdx))
+
+	if s.selectedQueue != nil {
+		b.WriteString(fmt.Sprintf("selectedQueue={Queue:%s} ", s.selectedQueue.Queue))
+	} else {
+		b.WriteString("selectedQueue=nil ")
+	}
+
+	if s.selectedGroup != nil {
+		b.WriteString(fmt.Sprintf("selectedGroup={Group:%s} ", s.selectedGroup.Group))
+	} else {
+		b.WriteString("selectedGroup=nil ")
+	}
+
+	if s.selectedTask != nil {
+		b.WriteString(fmt.Sprintf("selectedTask={ID:%s} ", s.selectedTask.ID))
+	} else {
+		b.WriteString("selectedTask=nil ")
+	}
+
+	b.WriteString(fmt.Sprintf("pageNum=%d", s.pageNum))
+	return b.String()
+}
+
+type Options struct {
+	DebugMode    bool
+	PollInterval time.Duration
+	RedisConnOpt asynq.RedisConnOpt
+}
+
+func Run(opts Options) {
+	s, err := tcell.NewScreen()
+	if err != nil {
+		fmt.Printf("failed to create a screen: %v\n", err)
+		os.Exit(1)
+	}
+	if err := s.Init(); err != nil {
+		fmt.Printf("failed to initialize screen: %v\n", err)
+		os.Exit(1)
+	}
+	s.SetStyle(baseStyle) // set default text style
+
+	var (
+		state = State{} // confined in this goroutine only; DO NOT SHARE
+
+		inspector = asynq.NewInspector(opts.RedisConnOpt)
+		ticker    = time.NewTicker(opts.PollInterval)
+
+		eventCh = make(chan tcell.Event)
+		done    = make(chan struct{})
+
+		// channels to send/receive data fetched asynchronously
+		errorCh  = make(chan error)
+		queueCh  = make(chan *asynq.QueueInfo)
+		taskCh   = make(chan *asynq.TaskInfo)
+		queuesCh = make(chan []*asynq.QueueInfo)
+		groupsCh = make(chan []*asynq.GroupInfo)
+		tasksCh  = make(chan []*asynq.TaskInfo)
+	)
+	defer ticker.Stop()
+
+	f := dataFetcher{
+		inspector,
+		opts,
+		s,
+		errorCh,
+		queueCh,
+		taskCh,
+		queuesCh,
+		groupsCh,
+		tasksCh,
+	}
+
+	d := dashDrawer{
+		s,
+		opts,
+	}
+
+	h := keyEventHandler{
+		s:            s,
+		fetcher:      &f,
+		drawer:       &d,
+		state:        &state,
+		done:         done,
+		ticker:       ticker,
+		pollInterval: opts.PollInterval,
+	}
+
+	go fetchQueues(inspector, queuesCh, errorCh, opts)
+	go s.ChannelEvents(eventCh, done) // TODO: Double check that we are not leaking goroutine with this one.
+	d.Draw(&state)                    // draw initial screen
+
+	for {
+		// Update screen
+		s.Show()
+
+		select {
+		case ev := <-eventCh:
+			// Process event
+			switch ev := ev.(type) {
+			case *tcell.EventResize:
+				s.Sync()
+			case *tcell.EventKey:
+				h.HandleKeyEvent(ev)
+			}
+
+		case <-ticker.C:
+			f.Fetch(&state)
+
+		case queues := <-queuesCh:
+			state.queues = queues
+			state.err = nil
+			if len(queues) < state.queueTableRowIdx {
+				state.queueTableRowIdx = len(queues)
+			}
+			d.Draw(&state)
+
+		case q := <-queueCh:
+			state.selectedQueue = q
+			state.err = nil
+			d.Draw(&state)
+
+		case groups := <-groupsCh:
+			state.groups = groups
+			state.err = nil
+			if len(groups) < state.groupTableRowIdx {
+				state.groupTableRowIdx = len(groups)
+			}
+			d.Draw(&state)
+
+		case tasks := <-tasksCh:
+			state.tasks = tasks
+			state.err = nil
+			if len(tasks) < state.taskTableRowIdx {
+				state.taskTableRowIdx = len(tasks)
+			}
+			d.Draw(&state)
+
+		case t := <-taskCh:
+			state.selectedTask = t
+			state.err = nil
+			d.Draw(&state)
+
+		case err := <-errorCh:
+			if errors.Is(err, asynq.ErrTaskNotFound) {
+				state.selectedTask = nil
+			} else {
+				state.err = err
+			}
+			d.Draw(&state)
+		}
+	}
+
+}
--- a/tools/asynq/cmd/dash/draw.go
+++ b/tools/asynq/cmd/dash/draw.go
@@ -0,0 +1,724 @@
+// Copyright 2022 Kentaro Hibino. All rights reserved.
+// Use of this source code is governed by a MIT license
+// that can be found in the LICENSE file.
+
+package dash
+
+import (
+	"fmt"
+	"math"
+	"strconv"
+	"strings"
+	"time"
+	"unicode"
+	"unicode/utf8"
+
+	"github.com/gdamore/tcell/v2"
+	"github.com/hibiken/asynq"
+	"github.com/mattn/go-runewidth"
+)
+
+var (
+	baseStyle  = tcell.StyleDefault.Background(tcell.ColorReset).Foreground(tcell.ColorReset)
+	labelStyle = baseStyle.Foreground(tcell.ColorLightGray)
+
+	// styles for bar graph
+	activeStyle      = baseStyle.Foreground(tcell.ColorBlue)
+	pendingStyle     = baseStyle.Foreground(tcell.ColorGreen)
+	aggregatingStyle = baseStyle.Foreground(tcell.ColorLightGreen)
+	scheduledStyle   = baseStyle.Foreground(tcell.ColorYellow)
+	retryStyle       = baseStyle.Foreground(tcell.ColorPink)
+	archivedStyle    = baseStyle.Foreground(tcell.ColorPurple)
+	completedStyle   = baseStyle.Foreground(tcell.ColorDarkGreen)
+)
+
+// drawer draws UI with the given state.
+type drawer interface {
+	Draw(state *State)
+}
+
+type dashDrawer struct {
+	s    tcell.Screen
+	opts Options
+}
+
+func (dd *dashDrawer) Draw(state *State) {
+	s, opts := dd.s, dd.opts
+	s.Clear()
+	// Simulate data update on every render
+	d := NewScreenDrawer(s)
+	switch state.view {
+	case viewTypeQueues:
+		d.Println("=== Queues ===", baseStyle.Bold(true))
+		d.NL()
+		drawQueueSizeGraphs(d, state)
+		d.NL()
+		drawQueueTable(d, baseStyle, state)
+	case viewTypeQueueDetails:
+		d.Println("=== Queue Summary ===", baseStyle.Bold(true))
+		d.NL()
+		drawQueueSummary(d, state)
+		d.NL()
+		d.NL()
+		d.Println("=== Tasks ===", baseStyle.Bold(true))
+		d.NL()
+		drawTaskStateBreakdown(d, baseStyle, state)
+		d.NL()
+		drawTaskTable(d, state)
+		drawTaskModal(d, state)
+	case viewTypeHelp:
+		drawHelp(d)
+	}
+	d.GoToBottom()
+	if opts.DebugMode {
+		drawDebugInfo(d, state)
+	} else {
+		drawFooter(d, state)
+	}
+}
+
+func drawQueueSizeGraphs(d *ScreenDrawer, state *State) {
+	var qnames []string
+	var qsizes []string // queue size in strings
+	maxSize := 1        // not zero to avoid division by zero
+	for _, q := range state.queues {
+		qnames = append(qnames, q.Queue)
+		qsizes = append(qsizes, strconv.Itoa(q.Size))
+		if q.Size > maxSize {
+			maxSize = q.Size
+		}
+	}
+	qnameWidth := maxwidth(qnames)
+	qsizeWidth := maxwidth(qsizes)
+
+	// Calculate the multipler to scale the graph
+	screenWidth, _ := d.Screen().Size()
+	graphMaxWidth := screenWidth - (qnameWidth + qsizeWidth + 3) // <qname> |<graph> <size>
+	multipiler := 1.0
+	if graphMaxWidth < maxSize {
+		multipiler = float64(graphMaxWidth) / float64(maxSize)
+	}
+
+	const tick = '▇'
+	for _, q := range state.queues {
+		d.Print(q.Queue, baseStyle)
+		d.Print(strings.Repeat(" ", qnameWidth-runewidth.StringWidth(q.Queue)+1), baseStyle) // padding between qname and graph
+		d.Print("|", baseStyle)
+		d.Print(strings.Repeat(string(tick), int(math.Floor(float64(q.Active)*multipiler))), activeStyle)
+		d.Print(strings.Repeat(string(tick), int(math.Floor(float64(q.Pending)*multipiler))), pendingStyle)
+		d.Print(strings.Repeat(string(tick), int(math.Floor(float64(q.Aggregating)*multipiler))), aggregatingStyle)
+		d.Print(strings.Repeat(string(tick), int(math.Floor(float64(q.Scheduled)*multipiler))), scheduledStyle)
+		d.Print(strings.Repeat(string(tick), int(math.Floor(float64(q.Retry)*multipiler))), retryStyle)
+		d.Print(strings.Repeat(string(tick), int(math.Floor(float64(q.Archived)*multipiler))), archivedStyle)
+		d.Print(strings.Repeat(string(tick), int(math.Floor(float64(q.Completed)*multipiler))), completedStyle)
+		d.Print(fmt.Sprintf(" %d", q.Size), baseStyle)
+		d.NL()
+	}
+	d.NL()
+	d.Print("active=", baseStyle)
+	d.Print(string(tick), activeStyle)
+	d.Print(" pending=", baseStyle)
+	d.Print(string(tick), pendingStyle)
+	d.Print(" aggregating=", baseStyle)
+	d.Print(string(tick), aggregatingStyle)
+	d.Print(" scheduled=", baseStyle)
+	d.Print(string(tick), scheduledStyle)
+	d.Print(" retry=", baseStyle)
+	d.Print(string(tick), retryStyle)
+	d.Print(" archived=", baseStyle)
+	d.Print(string(tick), archivedStyle)
+	d.Print(" completed=", baseStyle)
+	d.Print(string(tick), completedStyle)
+	d.NL()
+}
+
+func drawFooter(d *ScreenDrawer, state *State) {
+	if state.err != nil {
+		style := baseStyle.Background(tcell.ColorDarkRed)
+		d.Print(state.err.Error(), style)
+		d.FillLine(' ', style)
+		return
+	}
+	style := baseStyle.Background(tcell.ColorDarkSlateGray).Foreground(tcell.ColorWhite)
+	switch state.view {
+	case viewTypeHelp:
+		d.Print("<Esc>: GoBack", style)
+	default:
+		d.Print("<?>: Help    <Ctrl+C>: Exit ", style)
+	}
+	d.FillLine(' ', style)
+}
+
+// returns the maximum width from the given list of names
+func maxwidth(names []string) int {
+	max := 0
+	for _, s := range names {
+		if w := runewidth.StringWidth(s); w > max {
+			max = w
+		}
+	}
+	return max
+}
+
+// rpad adds padding to the right of a string.
+func rpad(s string, padding int) string {
+	tmpl := fmt.Sprintf("%%-%ds ", padding)
+	return fmt.Sprintf(tmpl, s)
+
+}
+
+// lpad adds padding to the left of a string.
+func lpad(s string, padding int) string {
+	tmpl := fmt.Sprintf("%%%ds ", padding)
+	return fmt.Sprintf(tmpl, s)
+}
+
+// byteCount converts the given bytes into human readable string
+func byteCount(b int64) string {
+	const unit = 1000
+	if b < unit {
+		return fmt.Sprintf("%d B", b)
+
+	}
+	div, exp := int64(unit), 0
+	for n := b / unit; n >= unit; n /= unit {
+		div *= unit
+		exp++
+
+	}
+	return fmt.Sprintf("%.1f %cB", float64(b)/float64(div), "kMGTPE"[exp])
+}
+
+var queueColumnConfigs = []*columnConfig[*asynq.QueueInfo]{
+	{"Queue", alignLeft, func(q *asynq.QueueInfo) string { return q.Queue }},
+	{"State", alignLeft, func(q *asynq.QueueInfo) string { return formatQueueState(q) }},
+	{"Size", alignRight, func(q *asynq.QueueInfo) string { return strconv.Itoa(q.Size) }},
+	{"Latency", alignRight, func(q *asynq.QueueInfo) string { return q.Latency.Round(time.Second).String() }},
+	{"MemoryUsage", alignRight, func(q *asynq.QueueInfo) string { return byteCount(q.MemoryUsage) }},
+	{"Processed", alignRight, func(q *asynq.QueueInfo) string { return strconv.Itoa(q.Processed) }},
+	{"Failed", alignRight, func(q *asynq.QueueInfo) string { return strconv.Itoa(q.Failed) }},
+	{"ErrorRate", alignRight, func(q *asynq.QueueInfo) string { return formatErrorRate(q.Processed, q.Failed) }},
+}
+
+func formatQueueState(q *asynq.QueueInfo) string {
+	if q.Paused {
+		return "PAUSED"
+	}
+	return "RUN"
+}
+
+func formatErrorRate(processed, failed int) string {
+	if processed == 0 {
+		return "-"
+	}
+	return fmt.Sprintf("%.2f", float64(failed)/float64(processed))
+}
+
+func formatNextProcessTime(t time.Time) string {
+	now := time.Now()
+	if t.Before(now) {
+		return "now"
+	}
+	return fmt.Sprintf("in %v", (t.Sub(now).Round(time.Second)))
+}
+
+func formatPastTime(t time.Time) string {
+	now := time.Now()
+	if t.After(now) || t.Equal(now) {
+		return "just now"
+	}
+	return fmt.Sprintf("%v ago", time.Since(t).Round(time.Second))
+}
+
+func drawQueueTable(d *ScreenDrawer, style tcell.Style, state *State) {
+	drawTable(d, style, queueColumnConfigs, state.queues, state.queueTableRowIdx-1)
+}
+
+func drawQueueSummary(d *ScreenDrawer, state *State) {
+	q := state.selectedQueue
+	if q == nil {
+		d.Println("ERROR: Press q to go back", baseStyle)
+		return
+	}
+	d.Print("Name      ", labelStyle)
+	d.Println(q.Queue, baseStyle)
+	d.Print("Size      ", labelStyle)
+	d.Println(strconv.Itoa(q.Size), baseStyle)
+	d.Print("Latency   ", labelStyle)
+	d.Println(q.Latency.Round(time.Second).String(), baseStyle)
+	d.Print("MemUsage  ", labelStyle)
+	d.Println(byteCount(q.MemoryUsage), baseStyle)
+}
+
+// Returns the max number of groups that can be displayed.
+func groupPageSize(s tcell.Screen) int {
+	_, h := s.Size()
+	return h - 16 // height - (# of rows used)
+}
+
+// Returns the number of tasks to fetch.
+func taskPageSize(s tcell.Screen) int {
+	_, h := s.Size()
+	return h - 15 // height - (# of rows used)
+}
+
+func shouldShowGroupTable(state *State) bool {
+	return state.taskState == asynq.TaskStateAggregating && state.selectedGroup == nil
+}
+
+func getTaskTableColumnConfig(taskState asynq.TaskState) []*columnConfig[*asynq.TaskInfo] {
+	switch taskState {
+	case asynq.TaskStateActive:
+		return activeTaskTableColumns
+	case asynq.TaskStatePending:
+		return pendingTaskTableColumns
+	case asynq.TaskStateAggregating:
+		return aggregatingTaskTableColumns
+	case asynq.TaskStateScheduled:
+		return scheduledTaskTableColumns
+	case asynq.TaskStateRetry:
+		return retryTaskTableColumns
+	case asynq.TaskStateArchived:
+		return archivedTaskTableColumns
+	case asynq.TaskStateCompleted:
+		return completedTaskTableColumns
+	}
+	panic("unknown task state")
+}
+
+var activeTaskTableColumns = []*columnConfig[*asynq.TaskInfo]{
+	{"ID", alignLeft, func(t *asynq.TaskInfo) string { return t.ID }},
+	{"Type", alignLeft, func(t *asynq.TaskInfo) string { return t.Type }},
+	{"Retried", alignRight, func(t *asynq.TaskInfo) string { return strconv.Itoa(t.Retried) }},
+	{"Max Retry", alignRight, func(t *asynq.TaskInfo) string { return strconv.Itoa(t.MaxRetry) }},
+	{"Payload", alignLeft, func(t *asynq.TaskInfo) string { return formatByteSlice(t.Payload) }},
+}
+
+var pendingTaskTableColumns = []*columnConfig[*asynq.TaskInfo]{
+	{"ID", alignLeft, func(t *asynq.TaskInfo) string { return t.ID }},
+	{"Type", alignLeft, func(t *asynq.TaskInfo) string { return t.Type }},
+	{"Retried", alignRight, func(t *asynq.TaskInfo) string { return strconv.Itoa(t.Retried) }},
+	{"Max Retry", alignRight, func(t *asynq.TaskInfo) string { return strconv.Itoa(t.MaxRetry) }},
+	{"Payload", alignLeft, func(t *asynq.TaskInfo) string { return formatByteSlice(t.Payload) }},
+}
+
+var aggregatingTaskTableColumns = []*columnConfig[*asynq.TaskInfo]{
+	{"ID", alignLeft, func(t *asynq.TaskInfo) string { return t.ID }},
+	{"Type", alignLeft, func(t *asynq.TaskInfo) string { return t.Type }},
+	{"Payload", alignLeft, func(t *asynq.TaskInfo) string { return formatByteSlice(t.Payload) }},
+	{"Group", alignLeft, func(t *asynq.TaskInfo) string { return t.Group }},
+}
+
+var scheduledTaskTableColumns = []*columnConfig[*asynq.TaskInfo]{
+	{"ID", alignLeft, func(t *asynq.TaskInfo) string { return t.ID }},
+	{"Type", alignLeft, func(t *asynq.TaskInfo) string { return t.Type }},
+	{"Next Process Time", alignLeft, func(t *asynq.TaskInfo) string {
+		return formatNextProcessTime(t.NextProcessAt)
+	}},
+	{"Payload", alignLeft, func(t *asynq.TaskInfo) string { return formatByteSlice(t.Payload) }},
+}
+
+var retryTaskTableColumns = []*columnConfig[*asynq.TaskInfo]{
+	{"ID", alignLeft, func(t *asynq.TaskInfo) string { return t.ID }},
+	{"Type", alignLeft, func(t *asynq.TaskInfo) string { return t.Type }},
+	{"Retry", alignRight, func(t *asynq.TaskInfo) string { return fmt.Sprintf("%d/%d", t.Retried, t.MaxRetry) }},
+	{"Last Failure", alignLeft, func(t *asynq.TaskInfo) string { return t.LastErr }},
+	{"Last Failure Time", alignLeft, func(t *asynq.TaskInfo) string { return formatPastTime(t.LastFailedAt) }},
+	{"Next Process Time", alignLeft, func(t *asynq.TaskInfo) string {
+		return formatNextProcessTime(t.NextProcessAt)
+	}},
+	{"Payload", alignLeft, func(t *asynq.TaskInfo) string { return formatByteSlice(t.Payload) }},
+}
+
+var archivedTaskTableColumns = []*columnConfig[*asynq.TaskInfo]{
+	{"ID", alignLeft, func(t *asynq.TaskInfo) string { return t.ID }},
+	{"Type", alignLeft, func(t *asynq.TaskInfo) string { return t.Type }},
+	{"Retry", alignRight, func(t *asynq.TaskInfo) string { return fmt.Sprintf("%d/%d", t.Retried, t.MaxRetry) }},
+	{"Last Failure", alignLeft, func(t *asynq.TaskInfo) string { return t.LastErr }},
+	{"Last Failure Time", alignLeft, func(t *asynq.TaskInfo) string { return formatPastTime(t.LastFailedAt) }},
+	{"Payload", alignLeft, func(t *asynq.TaskInfo) string { return formatByteSlice(t.Payload) }},
+}
+
+var completedTaskTableColumns = []*columnConfig[*asynq.TaskInfo]{
+	{"ID", alignLeft, func(t *asynq.TaskInfo) string { return t.ID }},
+	{"Type", alignLeft, func(t *asynq.TaskInfo) string { return t.Type }},
+	{"Completion Time", alignLeft, func(t *asynq.TaskInfo) string { return formatPastTime(t.CompletedAt) }},
+	{"Payload", alignLeft, func(t *asynq.TaskInfo) string { return formatByteSlice(t.Payload) }},
+	{"Result", alignLeft, func(t *asynq.TaskInfo) string { return formatByteSlice(t.Result) }},
+}
+
+func drawTaskTable(d *ScreenDrawer, state *State) {
+	if shouldShowGroupTable(state) {
+		drawGroupTable(d, state)
+		return
+	}
+	if len(state.tasks) == 0 {
+		return // print nothing
+	}
+	drawTable(d, baseStyle, getTaskTableColumnConfig(state.taskState), state.tasks, state.taskTableRowIdx-1)
+
+	// Pagination
+	pageSize := taskPageSize(d.Screen())
+	totalCount := getTaskCount(state.selectedQueue, state.taskState)
+	if state.taskState == asynq.TaskStateAggregating {
+		// aggregating tasks are scoped to each group when shown in the table.
+		totalCount = state.selectedGroup.Size
+	}
+	if pageSize < totalCount {
+		start := (state.pageNum-1)*pageSize + 1
+		end := start + len(state.tasks) - 1
+		paginationStyle := baseStyle.Foreground(tcell.ColorLightGray)
+		d.Print(fmt.Sprintf("Showing %d-%d out of %d", start, end, totalCount), paginationStyle)
+		if isNextTaskPageAvailable(d.Screen(), state) {
+			d.Print("  n=NextPage", paginationStyle)
+		}
+		if state.pageNum > 1 {
+			d.Print("  p=PrevPage", paginationStyle)
+		}
+		d.FillLine(' ', paginationStyle)
+	}
+}
+
+func isNextTaskPageAvailable(s tcell.Screen, state *State) bool {
+	totalCount := getTaskCount(state.selectedQueue, state.taskState)
+	end := (state.pageNum-1)*taskPageSize(s) + len(state.tasks)
+	return end < totalCount
+}
+
+func drawGroupTable(d *ScreenDrawer, state *State) {
+	if len(state.groups) == 0 {
+		return // print nothing
+	}
+	d.Println("<<< Select group >>>", baseStyle)
+	colConfigs := []*columnConfig[*asynq.GroupInfo]{
+		{"Name", alignLeft, func(g *asynq.GroupInfo) string { return g.Group }},
+		{"Size", alignRight, func(g *asynq.GroupInfo) string { return strconv.Itoa(g.Size) }},
+	}
+	// pagination
+	pageSize := groupPageSize(d.Screen())
+	total := len(state.groups)
+	start := (state.pageNum - 1) * pageSize
+	end := min(start+pageSize, total)
+	drawTable(d, baseStyle, colConfigs, state.groups[start:end], state.groupTableRowIdx-1)
+
+	if pageSize < total {
+		d.Print(fmt.Sprintf("Showing %d-%d out of %d", start+1, end, total), labelStyle)
+		if end < total {
+			d.Print("  n=NextPage", labelStyle)
+		}
+		if start > 0 {
+			d.Print("  p=PrevPage", labelStyle)
+		}
+	}
+	d.FillLine(' ', labelStyle)
+}
+
+type number interface {
+	int | int64 | float64
+}
+
+// min returns the smaller of x and y. if x==y, returns x
+func min[V number](x, y V) V {
+	if x > y {
+		return y
+	}
+	return x
+}
+
+// Define the order of states to show
+var taskStates = []asynq.TaskState{
+	asynq.TaskStateActive,
+	asynq.TaskStatePending,
+	asynq.TaskStateAggregating,
+	asynq.TaskStateScheduled,
+	asynq.TaskStateRetry,
+	asynq.TaskStateArchived,
+	asynq.TaskStateCompleted,
+}
+
+func nextTaskState(current asynq.TaskState) asynq.TaskState {
+	for i, ts := range taskStates {
+		if current == ts {
+			if i == len(taskStates)-1 {
+				return taskStates[0]
+			} else {
+				return taskStates[i+1]
+			}
+		}
+	}
+	panic("unknown task state")
+}
+
+func prevTaskState(current asynq.TaskState) asynq.TaskState {
+	for i, ts := range taskStates {
+		if current == ts {
+			if i == 0 {
+				return taskStates[len(taskStates)-1]
+			} else {
+				return taskStates[i-1]
+			}
+		}
+	}
+	panic("unknown task state")
+}
+
+func getTaskCount(queue *asynq.QueueInfo, taskState asynq.TaskState) int {
+	switch taskState {
+	case asynq.TaskStateActive:
+		return queue.Active
+	case asynq.TaskStatePending:
+		return queue.Pending
+	case asynq.TaskStateAggregating:
+		return queue.Aggregating
+	case asynq.TaskStateScheduled:
+		return queue.Scheduled
+	case asynq.TaskStateRetry:
+		return queue.Retry
+	case asynq.TaskStateArchived:
+		return queue.Archived
+	case asynq.TaskStateCompleted:
+		return queue.Completed
+	}
+	panic("unkonwn task state")
+}
+
+func drawTaskStateBreakdown(d *ScreenDrawer, style tcell.Style, state *State) {
+	const pad = "    " // padding between states
+	for _, ts := range taskStates {
+		s := style
+		if state.taskState == ts {
+			s = s.Bold(true).Underline(true)
+		}
+		d.Print(fmt.Sprintf("%s:%d", strings.Title(ts.String()), getTaskCount(state.selectedQueue, ts)), s)
+		d.Print(pad, style)
+	}
+	d.NL()
+}
+
+func drawTaskModal(d *ScreenDrawer, state *State) {
+	if state.taskID == "" {
+		return
+	}
+	task := state.selectedTask
+	if task == nil {
+		// task no longer found
+		fns := []func(d *modalRowDrawer){
+			func(d *modalRowDrawer) { d.Print("=== Task Info ===", baseStyle.Bold(true)) },
+			func(d *modalRowDrawer) { d.Print("", baseStyle) },
+			func(d *modalRowDrawer) {
+				d.Print(fmt.Sprintf("Task %q no longer exists", state.taskID), baseStyle)
+			},
+		}
+		withModal(d, fns)
+		return
+	}
+	fns := []func(d *modalRowDrawer){
+		func(d *modalRowDrawer) { d.Print("=== Task Info ===", baseStyle.Bold(true)) },
+		func(d *modalRowDrawer) { d.Print("", baseStyle) },
+		func(d *modalRowDrawer) {
+			d.Print("ID: ", labelStyle)
+			d.Print(task.ID, baseStyle)
+		},
+		func(d *modalRowDrawer) {
+			d.Print("Type: ", labelStyle)
+			d.Print(task.Type, baseStyle)
+		},
+		func(d *modalRowDrawer) {
+			d.Print("State: ", labelStyle)
+			d.Print(task.State.String(), baseStyle)
+		},
+		func(d *modalRowDrawer) {
+			d.Print("Queue: ", labelStyle)
+			d.Print(task.Queue, baseStyle)
+		},
+		func(d *modalRowDrawer) {
+			d.Print("Retry: ", labelStyle)
+			d.Print(fmt.Sprintf("%d/%d", task.Retried, task.MaxRetry), baseStyle)
+		},
+	}
+	if task.LastErr != "" {
+		fns = append(fns, func(d *modalRowDrawer) {
+			d.Print("Last Failure: ", labelStyle)
+			d.Print(task.LastErr, baseStyle)
+		})
+		fns = append(fns, func(d *modalRowDrawer) {
+			d.Print("Last Failure Time: ", labelStyle)
+			d.Print(fmt.Sprintf("%v (%s)", task.LastFailedAt, formatPastTime(task.LastFailedAt)), baseStyle)
+		})
+	}
+	if !task.NextProcessAt.IsZero() {
+		fns = append(fns, func(d *modalRowDrawer) {
+			d.Print("Next Process Time: ", labelStyle)
+			d.Print(fmt.Sprintf("%v (%s)", task.NextProcessAt, formatNextProcessTime(task.NextProcessAt)), baseStyle)
+		})
+	}
+	if !task.CompletedAt.IsZero() {
+		fns = append(fns, func(d *modalRowDrawer) {
+			d.Print("Completion Time: ", labelStyle)
+			d.Print(fmt.Sprintf("%v (%s)", task.CompletedAt, formatPastTime(task.CompletedAt)), baseStyle)
+		})
+	}
+	fns = append(fns, func(d *modalRowDrawer) {
+		d.Print("Payload: ", labelStyle)
+		d.Print(formatByteSlice(task.Payload), baseStyle)
+	})
+	if task.Result != nil {
+		fns = append(fns, func(d *modalRowDrawer) {
+			d.Print("Result: ", labelStyle)
+			d.Print(formatByteSlice(task.Result), baseStyle)
+		})
+	}
+	withModal(d, fns)
+}
+
+// Reports whether the given byte slice is printable (i.e. human readable)
+func isPrintable(data []byte) bool {
+	if !utf8.Valid(data) {
+		return false
+	}
+	isAllSpace := true
+	for _, r := range string(data) {
+		if !unicode.IsGraphic(r) {
+			return false
+		}
+		if !unicode.IsSpace(r) {
+			isAllSpace = false
+		}
+	}
+	return !isAllSpace
+}
+
+func formatByteSlice(data []byte) string {
+	if data == nil {
+		return "<nil>"
+	}
+	if !isPrintable(data) {
+		return "<non-printable>"
+	}
+	return strings.ReplaceAll(string(data), "\n", "  ")
+}
+
+type modalRowDrawer struct {
+	d        *ScreenDrawer
+	width    int // current width occupied by content
+	maxWidth int
+}
+
+// Note: s should not include newline
+func (d *modalRowDrawer) Print(s string, style tcell.Style) {
+	if d.width >= d.maxWidth {
+		return // no longer write to this row
+	}
+	if d.width+runewidth.StringWidth(s) > d.maxWidth {
+		s = truncate(s, d.maxWidth-d.width)
+	}
+	d.d.Print(s, style)
+}
+
+// withModal draws a modal with the given functions row by row.
+func withModal(d *ScreenDrawer, rowPrintFns []func(d *modalRowDrawer)) {
+	w, h := d.Screen().Size()
+	var (
+		modalWidth  = int(math.Floor(float64(w) * 0.6))
+		modalHeight = int(math.Floor(float64(h) * 0.6))
+		rowOffset   = int(math.Floor(float64(h) * 0.2)) // 20% from the top
+		colOffset   = int(math.Floor(float64(w) * 0.2)) // 20% from the left
+	)
+	if modalHeight < 3 {
+		return // no content can be shown
+	}
+	d.Goto(colOffset, rowOffset)
+	d.Print(string(tcell.RuneULCorner), baseStyle)
+	d.Print(strings.Repeat(string(tcell.RuneHLine), modalWidth-2), baseStyle)
+	d.Print(string(tcell.RuneURCorner), baseStyle)
+	d.NL()
+	rowDrawer := modalRowDrawer{
+		d:        d,
+		width:    0,
+		maxWidth: modalWidth - 4, /* borders + paddings */
+	}
+	for i := 1; i < modalHeight-1; i++ {
+		d.Goto(colOffset, rowOffset+i)
+		d.Print(fmt.Sprintf("%c ", tcell.RuneVLine), baseStyle)
+		if i <= len(rowPrintFns) {
+			rowPrintFns[i-1](&rowDrawer)
+		}
+		d.FillUntil(' ', baseStyle, colOffset+modalWidth-2)
+		d.Print(fmt.Sprintf(" %c", tcell.RuneVLine), baseStyle)
+		d.NL()
+	}
+	d.Goto(colOffset, rowOffset+modalHeight-1)
+	d.Print(string(tcell.RuneLLCorner), baseStyle)
+	d.Print(strings.Repeat(string(tcell.RuneHLine), modalWidth-2), baseStyle)
+	d.Print(string(tcell.RuneLRCorner), baseStyle)
+	d.NL()
+}
+
+func adjustWidth(s string, width int) string {
+	sw := runewidth.StringWidth(s)
+	if sw > width {
+		return truncate(s, width)
+	}
+	var b strings.Builder
+	b.WriteString(s)
+	b.WriteString(strings.Repeat(" ", width-sw))
+	return b.String()
+}
+
+// truncates s if s exceeds max length.
+func truncate(s string, max int) string {
+	if runewidth.StringWidth(s) <= max {
+		return s
+	}
+	return string([]rune(s)[:max-1]) + "…"
+}
+
+func drawDebugInfo(d *ScreenDrawer, state *State) {
+	d.Println(state.DebugString(), baseStyle)
+}
+
+func drawHelp(d *ScreenDrawer) {
+	keyStyle := labelStyle.Bold(true)
+	withModal(d, []func(*modalRowDrawer){
+		func(d *modalRowDrawer) { d.Print("=== Help ===", baseStyle.Bold(true)) },
+		func(d *modalRowDrawer) { d.Print("", baseStyle) },
+		func(d *modalRowDrawer) {
+			d.Print("<Enter>", keyStyle)
+			d.Print("              to select", baseStyle)
+		},
+		func(d *modalRowDrawer) {
+			d.Print("<Esc>", keyStyle)
+			d.Print(" or ", baseStyle)
+			d.Print("<q>", keyStyle)
+			d.Print("         to go back", baseStyle)
+		},
+		func(d *modalRowDrawer) {
+			d.Print("<UpArrow>", keyStyle)
+			d.Print(" or ", baseStyle)
+			d.Print("<k>", keyStyle)
+			d.Print("     to move up", baseStyle)
+		},
+		func(d *modalRowDrawer) {
+			d.Print("<DownArrow>", keyStyle)
+			d.Print(" or ", baseStyle)
+			d.Print("<j>", keyStyle)
+			d.Print("   to move down", baseStyle)
+		},
+		func(d *modalRowDrawer) {
+			d.Print("<LeftArrow>", keyStyle)
+			d.Print(" or ", baseStyle)
+			d.Print("<h>", keyStyle)
+			d.Print("   to move left", baseStyle)
+		},
+		func(d *modalRowDrawer) {
+			d.Print("<RightArrow>", keyStyle)
+			d.Print(" or ", baseStyle)
+			d.Print("<l>", keyStyle)
+			d.Print("  to move right", baseStyle)
+		},
+		func(d *modalRowDrawer) {
+			d.Print("<Ctrl+C>", keyStyle)
+			d.Print("             to quit", baseStyle)
+		},
+	})
+}
--- a/tools/asynq/cmd/dash/draw_test.go
+++ b/tools/asynq/cmd/dash/draw_test.go
@@ -0,0 +1,33 @@
+// Copyright 2022 Kentaro Hibino. All rights reserved.
+// Use of this source code is governed by a MIT license
+// that can be found in the LICENSE file.
+
+package dash
+
+import "testing"
+
+func TestTruncate(t *testing.T) {
+	tests := []struct {
+		s    string
+		max  int
+		want string
+	}{
+		{
+			s:    "hello world!",
+			max:  15,
+			want: "hello world!",
+		},
+		{
+			s:    "hello world!",
+			max:  6,
+			want: "hello…",
+		},
+	}
+
+	for _, tc := range tests {
+		got := truncate(tc.s, tc.max)
+		if tc.want != got {
+			t.Errorf("truncate(%q, %d) = %q, want %q", tc.s, tc.max, got, tc.want)
+		}
+	}
+}
--- a/tools/asynq/cmd/dash/fetch.go
+++ b/tools/asynq/cmd/dash/fetch.go
@@ -0,0 +1,185 @@
+// Copyright 2022 Kentaro Hibino. All rights reserved.
+// Use of this source code is governed by a MIT license
+// that can be found in the LICENSE file.
+
+package dash
+
+import (
+	"sort"
+
+	"github.com/gdamore/tcell/v2"
+	"github.com/hibiken/asynq"
+)
+
+type fetcher interface {
+	// Fetch retries data required by the given state of the dashboard.
+	Fetch(state *State)
+}
+
+type dataFetcher struct {
+	inspector *asynq.Inspector
+	opts      Options
+	s         tcell.Screen
+
+	errorCh  chan<- error
+	queueCh  chan<- *asynq.QueueInfo
+	taskCh   chan<- *asynq.TaskInfo
+	queuesCh chan<- []*asynq.QueueInfo
+	groupsCh chan<- []*asynq.GroupInfo
+	tasksCh  chan<- []*asynq.TaskInfo
+}
+
+func (f *dataFetcher) Fetch(state *State) {
+	switch state.view {
+	case viewTypeQueues:
+		f.fetchQueues()
+	case viewTypeQueueDetails:
+		if shouldShowGroupTable(state) {
+			f.fetchGroups(state.selectedQueue.Queue)
+		} else if state.taskState == asynq.TaskStateAggregating {
+			f.fetchAggregatingTasks(state.selectedQueue.Queue, state.selectedGroup.Group, taskPageSize(f.s), state.pageNum)
+		} else {
+			f.fetchTasks(state.selectedQueue.Queue, state.taskState, taskPageSize(f.s), state.pageNum)
+		}
+		// if the task modal is open, additionally fetch the selected task's info
+		if state.taskID != "" {
+			f.fetchTaskInfo(state.selectedQueue.Queue, state.taskID)
+		}
+	}
+}
+
+func (f *dataFetcher) fetchQueues() {
+	var (
+		inspector = f.inspector
+		queuesCh  = f.queuesCh
+		errorCh   = f.errorCh
+		opts      = f.opts
+	)
+	go fetchQueues(inspector, queuesCh, errorCh, opts)
+}
+
+func fetchQueues(i *asynq.Inspector, queuesCh chan<- []*asynq.QueueInfo, errorCh chan<- error, opts Options) {
+	queues, err := i.Queues()
+	if err != nil {
+		errorCh <- err
+		return
+	}
+	sort.Strings(queues)
+	var res []*asynq.QueueInfo
+	for _, q := range queues {
+		info, err := i.GetQueueInfo(q)
+		if err != nil {
+			errorCh <- err
+			return
+		}
+		res = append(res, info)
+	}
+	queuesCh <- res
+}
+
+func fetchQueueInfo(i *asynq.Inspector, qname string, queueCh chan<- *asynq.QueueInfo, errorCh chan<- error) {
+	q, err := i.GetQueueInfo(qname)
+	if err != nil {
+		errorCh <- err
+		return
+	}
+	queueCh <- q
+}
+
+func (f *dataFetcher) fetchGroups(qname string) {
+	var (
+		i        = f.inspector
+		groupsCh = f.groupsCh
+		errorCh  = f.errorCh
+		queueCh  = f.queueCh
+	)
+	go fetchGroups(i, qname, groupsCh, errorCh)
+	go fetchQueueInfo(i, qname, queueCh, errorCh)
+}
+
+func fetchGroups(i *asynq.Inspector, qname string, groupsCh chan<- []*asynq.GroupInfo, errorCh chan<- error) {
+	groups, err := i.Groups(qname)
+	if err != nil {
+		errorCh <- err
+		return
+	}
+	groupsCh <- groups
+}
+
+func (f *dataFetcher) fetchAggregatingTasks(qname, group string, pageSize, pageNum int) {
+	var (
+		i       = f.inspector
+		tasksCh = f.tasksCh
+		errorCh = f.errorCh
+		queueCh = f.queueCh
+	)
+	go fetchAggregatingTasks(i, qname, group, pageSize, pageNum, tasksCh, errorCh)
+	go fetchQueueInfo(i, qname, queueCh, errorCh)
+}
+
+func fetchAggregatingTasks(i *asynq.Inspector, qname, group string, pageSize, pageNum int,
+	tasksCh chan<- []*asynq.TaskInfo, errorCh chan<- error) {
+	tasks, err := i.ListAggregatingTasks(qname, group, asynq.PageSize(pageSize), asynq.Page(pageNum))
+	if err != nil {
+		errorCh <- err
+		return
+	}
+	tasksCh <- tasks
+}
+
+func (f *dataFetcher) fetchTasks(qname string, taskState asynq.TaskState, pageSize, pageNum int) {
+	var (
+		i       = f.inspector
+		tasksCh = f.tasksCh
+		errorCh = f.errorCh
+		queueCh = f.queueCh
+	)
+	go fetchTasks(i, qname, taskState, pageSize, pageNum, tasksCh, errorCh)
+	go fetchQueueInfo(i, qname, queueCh, errorCh)
+}
+
+func fetchTasks(i *asynq.Inspector, qname string, taskState asynq.TaskState, pageSize, pageNum int,
+	tasksCh chan<- []*asynq.TaskInfo, errorCh chan<- error) {
+	var (
+		tasks []*asynq.TaskInfo
+		err   error
+	)
+	opts := []asynq.ListOption{asynq.PageSize(pageSize), asynq.Page(pageNum)}
+	switch taskState {
+	case asynq.TaskStateActive:
+		tasks, err = i.ListActiveTasks(qname, opts...)
+	case asynq.TaskStatePending:
+		tasks, err = i.ListPendingTasks(qname, opts...)
+	case asynq.TaskStateScheduled:
+		tasks, err = i.ListScheduledTasks(qname, opts...)
+	case asynq.TaskStateRetry:
+		tasks, err = i.ListRetryTasks(qname, opts...)
+	case asynq.TaskStateArchived:
+		tasks, err = i.ListArchivedTasks(qname, opts...)
+	case asynq.TaskStateCompleted:
+		tasks, err = i.ListCompletedTasks(qname, opts...)
+	}
+	if err != nil {
+		errorCh <- err
+		return
+	}
+	tasksCh <- tasks
+}
+
+func (f *dataFetcher) fetchTaskInfo(qname, taskID string) {
+	var (
+		i       = f.inspector
+		taskCh  = f.taskCh
+		errorCh = f.errorCh
+	)
+	go fetchTaskInfo(i, qname, taskID, taskCh, errorCh)
+}
+
+func fetchTaskInfo(i *asynq.Inspector, qname, taskID string, taskCh chan<- *asynq.TaskInfo, errorCh chan<- error) {
+	info, err := i.GetTaskInfo(qname, taskID)
+	if err != nil {
+		errorCh <- err
+		return
+	}
+	taskCh <- info
+}
--- a/tools/asynq/cmd/dash/key_event.go
+++ b/tools/asynq/cmd/dash/key_event.go
@@ -0,0 +1,317 @@
+// Copyright 2022 Kentaro Hibino. All rights reserved.
+// Use of this source code is governed by a MIT license
+// that can be found in the LICENSE file.
+
+package dash
+
+import (
+	"os"
+	"time"
+
+	"github.com/gdamore/tcell/v2"
+	"github.com/hibiken/asynq"
+)
+
+// keyEventHandler handles keyboard events and updates the state.
+// It delegates data fetching to fetcher and UI rendering to drawer.
+type keyEventHandler struct {
+	s     tcell.Screen
+	state *State
+	done  chan struct{}
+
+	fetcher fetcher
+	drawer  drawer
+
+	ticker       *time.Ticker
+	pollInterval time.Duration
+}
+
+func (h *keyEventHandler) quit() {
+	h.s.Fini()
+	close(h.done)
+	os.Exit(0)
+}
+
+func (h *keyEventHandler) HandleKeyEvent(ev *tcell.EventKey) {
+	if ev.Key() == tcell.KeyEscape || ev.Rune() == 'q' {
+		h.goBack() // Esc and 'q' key have "go back" semantics
+	} else if ev.Key() == tcell.KeyCtrlC {
+		h.quit()
+	} else if ev.Key() == tcell.KeyCtrlL {
+		h.s.Sync()
+	} else if ev.Key() == tcell.KeyDown || ev.Rune() == 'j' {
+		h.handleDownKey()
+	} else if ev.Key() == tcell.KeyUp || ev.Rune() == 'k' {
+		h.handleUpKey()
+	} else if ev.Key() == tcell.KeyRight || ev.Rune() == 'l' {
+		h.handleRightKey()
+	} else if ev.Key() == tcell.KeyLeft || ev.Rune() == 'h' {
+		h.handleLeftKey()
+	} else if ev.Key() == tcell.KeyEnter {
+		h.handleEnterKey()
+	} else if ev.Rune() == '?' {
+		h.showHelp()
+	} else if ev.Rune() == 'n' {
+		h.nextPage()
+	} else if ev.Rune() == 'p' {
+		h.prevPage()
+	}
+}
+
+func (h *keyEventHandler) goBack() {
+	var (
+		state = h.state
+		d     = h.drawer
+		f     = h.fetcher
+	)
+	if state.view == viewTypeHelp {
+		state.view = state.prevView // exit help
+		f.Fetch(state)
+		h.resetTicker()
+		d.Draw(state)
+	} else if state.view == viewTypeQueueDetails {
+		// if task modal is open close it; otherwise go back to the previous view
+		if state.taskID != "" {
+			state.taskID = ""
+			state.selectedTask = nil
+			d.Draw(state)
+		} else {
+			state.view = viewTypeQueues
+			f.Fetch(state)
+			h.resetTicker()
+			d.Draw(state)
+		}
+	} else {
+		h.quit()
+	}
+}
+
+func (h *keyEventHandler) handleDownKey() {
+	switch h.state.view {
+	case viewTypeQueues:
+		h.downKeyQueues()
+	case viewTypeQueueDetails:
+		h.downKeyQueueDetails()
+	}
+}
+
+func (h *keyEventHandler) downKeyQueues() {
+	if h.state.queueTableRowIdx < len(h.state.queues) {
+		h.state.queueTableRowIdx++
+	} else {
+		h.state.queueTableRowIdx = 0 // loop back
+	}
+	h.drawer.Draw(h.state)
+}
+
+func (h *keyEventHandler) downKeyQueueDetails() {
+	s, state := h.s, h.state
+	if shouldShowGroupTable(state) {
+		if state.groupTableRowIdx < groupPageSize(s) {
+			state.groupTableRowIdx++
+		} else {
+			state.groupTableRowIdx = 0 // loop back
+		}
+	} else if state.taskID == "" {
+		if state.taskTableRowIdx < len(state.tasks) {
+			state.taskTableRowIdx++
+		} else {
+			state.taskTableRowIdx = 0 // loop back
+		}
+	}
+	h.drawer.Draw(state)
+}
+
+func (h *keyEventHandler) handleUpKey() {
+	switch h.state.view {
+	case viewTypeQueues:
+		h.upKeyQueues()
+	case viewTypeQueueDetails:
+		h.upKeyQueueDetails()
+	}
+}
+
+func (h *keyEventHandler) upKeyQueues() {
+	state := h.state
+	if state.queueTableRowIdx == 0 {
+		state.queueTableRowIdx = len(state.queues)
+	} else {
+		state.queueTableRowIdx--
+	}
+	h.drawer.Draw(state)
+}
+
+func (h *keyEventHandler) upKeyQueueDetails() {
+	s, state := h.s, h.state
+	if shouldShowGroupTable(state) {
+		if state.groupTableRowIdx == 0 {
+			state.groupTableRowIdx = groupPageSize(s)
+		} else {
+			state.groupTableRowIdx--
+		}
+	} else if state.taskID == "" {
+		if state.taskTableRowIdx == 0 {
+			state.taskTableRowIdx = len(state.tasks)
+		} else {
+			state.taskTableRowIdx--
+		}
+	}
+	h.drawer.Draw(state)
+}
+
+func (h *keyEventHandler) handleEnterKey() {
+	switch h.state.view {
+	case viewTypeQueues:
+		h.enterKeyQueues()
+	case viewTypeQueueDetails:
+		h.enterKeyQueueDetails()
+	}
+}
+
+func (h *keyEventHandler) resetTicker() {
+	h.ticker.Reset(h.pollInterval)
+}
+
+func (h *keyEventHandler) enterKeyQueues() {
+	var (
+		state = h.state
+		f     = h.fetcher
+		d     = h.drawer
+	)
+	if state.queueTableRowIdx != 0 {
+		state.selectedQueue = state.queues[state.queueTableRowIdx-1]
+		state.view = viewTypeQueueDetails
+		state.taskState = asynq.TaskStateActive
+		state.tasks = nil
+		state.pageNum = 1
+		f.Fetch(state)
+		h.resetTicker()
+		d.Draw(state)
+	}
+}
+
+func (h *keyEventHandler) enterKeyQueueDetails() {
+	var (
+		state = h.state
+		f     = h.fetcher
+		d     = h.drawer
+	)
+	if shouldShowGroupTable(state) && state.groupTableRowIdx != 0 {
+		state.selectedGroup = state.groups[state.groupTableRowIdx-1]
+		state.tasks = nil
+		state.pageNum = 1
+		f.Fetch(state)
+		h.resetTicker()
+		d.Draw(state)
+	} else if !shouldShowGroupTable(state) && state.taskTableRowIdx != 0 {
+		task := state.tasks[state.taskTableRowIdx-1]
+		state.selectedTask = task
+		state.taskID = task.ID
+		f.Fetch(state)
+		h.resetTicker()
+		d.Draw(state)
+	}
+
+}
+
+func (h *keyEventHandler) handleLeftKey() {
+	var (
+		state = h.state
+		f     = h.fetcher
+		d     = h.drawer
+	)
+	if state.view == viewTypeQueueDetails && state.taskID == "" {
+		state.taskState = prevTaskState(state.taskState)
+		state.pageNum = 1
+		state.taskTableRowIdx = 0
+		state.tasks = nil
+		state.selectedGroup = nil
+		f.Fetch(state)
+		h.resetTicker()
+		d.Draw(state)
+	}
+}
+
+func (h *keyEventHandler) handleRightKey() {
+	var (
+		state = h.state
+		f     = h.fetcher
+		d     = h.drawer
+	)
+	if state.view == viewTypeQueueDetails && state.taskID == "" {
+		state.taskState = nextTaskState(state.taskState)
+		state.pageNum = 1
+		state.taskTableRowIdx = 0
+		state.tasks = nil
+		state.selectedGroup = nil
+		f.Fetch(state)
+		h.resetTicker()
+		d.Draw(state)
+	}
+}
+
+func (h *keyEventHandler) nextPage() {
+	var (
+		s     = h.s
+		state = h.state
+		f     = h.fetcher
+		d     = h.drawer
+	)
+	if state.view == viewTypeQueueDetails {
+		if shouldShowGroupTable(state) {
+			pageSize := groupPageSize(s)
+			total := len(state.groups)
+			start := (state.pageNum - 1) * pageSize
+			end := start + pageSize
+			if end <= total {
+				state.pageNum++
+				d.Draw(state)
+			}
+		} else {
+			pageSize := taskPageSize(s)
+			totalCount := getTaskCount(state.selectedQueue, state.taskState)
+			if (state.pageNum-1)*pageSize+len(state.tasks) < totalCount {
+				state.pageNum++
+				f.Fetch(state)
+				h.resetTicker()
+			}
+		}
+	}
+}
+
+func (h *keyEventHandler) prevPage() {
+	var (
+		s     = h.s
+		state = h.state
+		f     = h.fetcher
+		d     = h.drawer
+	)
+	if state.view == viewTypeQueueDetails {
+		if shouldShowGroupTable(state) {
+			pageSize := groupPageSize(s)
+			start := (state.pageNum - 1) * pageSize
+			if start > 0 {
+				state.pageNum--
+				d.Draw(state)
+			}
+		} else {
+			if state.pageNum > 1 {
+				state.pageNum--
+				f.Fetch(state)
+				h.resetTicker()
+			}
+		}
+	}
+}
+
+func (h *keyEventHandler) showHelp() {
+	var (
+		state = h.state
+		d     = h.drawer
+	)
+	if state.view != viewTypeHelp {
+		state.prevView = state.view
+		state.view = viewTypeHelp
+		d.Draw(state)
+	}
+}
--- a/tools/asynq/cmd/dash/key_event_test.go
+++ b/tools/asynq/cmd/dash/key_event_test.go
@@ -0,0 +1,234 @@
+// Copyright 2022 Kentaro Hibino. All rights reserved.
+// Use of this source code is governed by a MIT license
+// that can be found in the LICENSE file.
+
+package dash
+
+import (
+	"testing"
+	"time"
+
+	"github.com/gdamore/tcell/v2"
+	"github.com/google/go-cmp/cmp"
+	"github.com/hibiken/asynq"
+)
+
+func makeKeyEventHandler(t *testing.T, state *State) *keyEventHandler {
+	ticker := time.NewTicker(time.Second)
+	t.Cleanup(func() { ticker.Stop() })
+	return &keyEventHandler{
+		s:            tcell.NewSimulationScreen("UTF-8"),
+		state:        state,
+		done:         make(chan struct{}),
+		fetcher:      &fakeFetcher{},
+		drawer:       &fakeDrawer{},
+		ticker:       ticker,
+		pollInterval: time.Second,
+	}
+}
+
+type keyEventHandlerTest struct {
+	desc      string            // test description
+	state     *State            // initial state, to be mutated by the handler
+	events    []*tcell.EventKey // keyboard events
+	wantState State             // expected state after the events
+}
+
+func TestKeyEventHandler(t *testing.T) {
+	tests := []*keyEventHandlerTest{
+		{
+			desc:      "navigates to help view",
+			state:     &State{view: viewTypeQueues},
+			events:    []*tcell.EventKey{tcell.NewEventKey(tcell.KeyRune, '?', tcell.ModNone)},
+			wantState: State{view: viewTypeHelp},
+		},
+		{
+			desc: "navigates to queue details view",
+			state: &State{
+				view: viewTypeQueues,
+				queues: []*asynq.QueueInfo{
+					{Queue: "default", Size: 100, Active: 10, Pending: 40, Scheduled: 40, Completed: 10},
+				},
+				queueTableRowIdx: 0,
+			},
+			events: []*tcell.EventKey{
+				tcell.NewEventKey(tcell.KeyRune, 'j', tcell.ModNone),   // down
+				tcell.NewEventKey(tcell.KeyEnter, '\n', tcell.ModNone), // Enter
+			},
+			wantState: State{
+				view: viewTypeQueueDetails,
+				queues: []*asynq.QueueInfo{
+					{Queue: "default", Size: 100, Active: 10, Pending: 40, Scheduled: 40, Completed: 10},
+				},
+				selectedQueue:    &asynq.QueueInfo{Queue: "default", Size: 100, Active: 10, Pending: 40, Scheduled: 40, Completed: 10},
+				queueTableRowIdx: 1,
+				taskState:        asynq.TaskStateActive,
+				pageNum:          1,
+			},
+		},
+		{
+			desc: "does nothing if no queues are present",
+			state: &State{
+				view:             viewTypeQueues,
+				queues:           []*asynq.QueueInfo{}, // empty
+				queueTableRowIdx: 0,
+			},
+			events: []*tcell.EventKey{
+				tcell.NewEventKey(tcell.KeyRune, 'j', tcell.ModNone),   // down
+				tcell.NewEventKey(tcell.KeyEnter, '\n', tcell.ModNone), // Enter
+			},
+			wantState: State{
+				view:             viewTypeQueues,
+				queues:           []*asynq.QueueInfo{},
+				queueTableRowIdx: 0,
+			},
+		},
+		{
+			desc: "opens task info modal",
+			state: &State{
+				view: viewTypeQueueDetails,
+				queues: []*asynq.QueueInfo{
+					{Queue: "default", Size: 500, Active: 10, Pending: 40},
+				},
+				queueTableRowIdx: 1,
+				selectedQueue:    &asynq.QueueInfo{Queue: "default", Size: 50, Active: 10, Pending: 40},
+				taskState:        asynq.TaskStatePending,
+				pageNum:          1,
+				tasks: []*asynq.TaskInfo{
+					{ID: "xxxx", Type: "foo"},
+					{ID: "yyyy", Type: "bar"},
+					{ID: "zzzz", Type: "baz"},
+				},
+				taskTableRowIdx: 2,
+			},
+			events: []*tcell.EventKey{
+				tcell.NewEventKey(tcell.KeyEnter, '\n', tcell.ModNone), // Enter
+			},
+			wantState: State{
+				view: viewTypeQueueDetails,
+				queues: []*asynq.QueueInfo{
+					{Queue: "default", Size: 500, Active: 10, Pending: 40},
+				},
+				queueTableRowIdx: 1,
+				selectedQueue:    &asynq.QueueInfo{Queue: "default", Size: 50, Active: 10, Pending: 40},
+				taskState:        asynq.TaskStatePending,
+				pageNum:          1,
+				tasks: []*asynq.TaskInfo{
+					{ID: "xxxx", Type: "foo"},
+					{ID: "yyyy", Type: "bar"},
+					{ID: "zzzz", Type: "baz"},
+				},
+				taskTableRowIdx: 2,
+				// new states
+				taskID:       "yyyy",
+				selectedTask: &asynq.TaskInfo{ID: "yyyy", Type: "bar"},
+			},
+		},
+		{
+			desc: "Esc closes task info modal",
+			state: &State{
+				view: viewTypeQueueDetails,
+				queues: []*asynq.QueueInfo{
+					{Queue: "default", Size: 500, Active: 10, Pending: 40},
+				},
+				queueTableRowIdx: 1,
+				selectedQueue:    &asynq.QueueInfo{Queue: "default", Size: 50, Active: 10, Pending: 40},
+				taskState:        asynq.TaskStatePending,
+				pageNum:          1,
+				tasks: []*asynq.TaskInfo{
+					{ID: "xxxx", Type: "foo"},
+					{ID: "yyyy", Type: "bar"},
+					{ID: "zzzz", Type: "baz"},
+				},
+				taskTableRowIdx: 2,
+				taskID:          "yyyy", // presence of this field opens the modal
+			},
+			events: []*tcell.EventKey{
+				tcell.NewEventKey(tcell.KeyEscape, ' ', tcell.ModNone), // Esc
+			},
+			wantState: State{
+				view: viewTypeQueueDetails,
+				queues: []*asynq.QueueInfo{
+					{Queue: "default", Size: 500, Active: 10, Pending: 40},
+				},
+				queueTableRowIdx: 1,
+				selectedQueue:    &asynq.QueueInfo{Queue: "default", Size: 50, Active: 10, Pending: 40},
+				taskState:        asynq.TaskStatePending,
+				pageNum:          1,
+				tasks: []*asynq.TaskInfo{
+					{ID: "xxxx", Type: "foo"},
+					{ID: "yyyy", Type: "bar"},
+					{ID: "zzzz", Type: "baz"},
+				},
+				taskTableRowIdx: 2,
+				taskID:          "", // this field should be unset
+			},
+		},
+		{
+			desc: "Arrow keys are disabled while task info modal is open",
+			state: &State{
+				view: viewTypeQueueDetails,
+				queues: []*asynq.QueueInfo{
+					{Queue: "default", Size: 500, Active: 10, Pending: 40},
+				},
+				queueTableRowIdx: 1,
+				selectedQueue:    &asynq.QueueInfo{Queue: "default", Size: 50, Active: 10, Pending: 40},
+				taskState:        asynq.TaskStatePending,
+				pageNum:          1,
+				tasks: []*asynq.TaskInfo{
+					{ID: "xxxx", Type: "foo"},
+					{ID: "yyyy", Type: "bar"},
+					{ID: "zzzz", Type: "baz"},
+				},
+				taskTableRowIdx: 2,
+				taskID:          "yyyy", // presence of this field opens the modal
+			},
+			events: []*tcell.EventKey{
+				tcell.NewEventKey(tcell.KeyLeft, ' ', tcell.ModNone),
+			},
+
+			// no change
+			wantState: State{
+				view: viewTypeQueueDetails,
+				queues: []*asynq.QueueInfo{
+					{Queue: "default", Size: 500, Active: 10, Pending: 40},
+				},
+				queueTableRowIdx: 1,
+				selectedQueue:    &asynq.QueueInfo{Queue: "default", Size: 50, Active: 10, Pending: 40},
+				taskState:        asynq.TaskStatePending,
+				pageNum:          1,
+				tasks: []*asynq.TaskInfo{
+					{ID: "xxxx", Type: "foo"},
+					{ID: "yyyy", Type: "bar"},
+					{ID: "zzzz", Type: "baz"},
+				},
+				taskTableRowIdx: 2,
+				taskID:          "yyyy", // presence of this field opens the modal
+			},
+		},
+		// TODO: Add more tests
+	}
+
+	for _, tc := range tests {
+		t.Run(tc.desc, func(t *testing.T) {
+			h := makeKeyEventHandler(t, tc.state)
+			for _, e := range tc.events {
+				h.HandleKeyEvent(e)
+			}
+			if diff := cmp.Diff(tc.wantState, *tc.state, cmp.AllowUnexported(State{})); diff != "" {
+				t.Errorf("after state was %+v, want %+v: (-want,+got)\n%s", *tc.state, tc.wantState, diff)
+			}
+		})
+	}
+
+}
+
+/*** fake implementation for tests ***/
+
+type fakeFetcher struct{}
+
+func (f *fakeFetcher) Fetch(s *State) {}
+
+type fakeDrawer struct{}
+
+func (d *fakeDrawer) Draw(s *State) {}
--- a/tools/asynq/cmd/dash/screen_drawer.go
+++ b/tools/asynq/cmd/dash/screen_drawer.go
@@ -0,0 +1,100 @@
+// Copyright 2022 Kentaro Hibino. All rights reserved.
+// Use of this source code is governed by a MIT license
+// that can be found in the LICENSE file.
+
+package dash
+
+import (
+	"strings"
+
+	"github.com/gdamore/tcell/v2"
+	"github.com/mattn/go-runewidth"
+)
+
+/*** Screen Drawer ***/
+
+// ScreenDrawer is used to draw contents on screen.
+//
+// Usage example:
+//    d := NewScreenDrawer(s)
+//    d.Println("Hello world", mystyle)
+//    d.NL() // adds newline
+//    d.Print("foo", mystyle.Bold(true))
+//    d.Print("bar", mystyle.Italic(true))
+type ScreenDrawer struct {
+	l *LineDrawer
+}
+
+func NewScreenDrawer(s tcell.Screen) *ScreenDrawer {
+	return &ScreenDrawer{l: NewLineDrawer(0, s)}
+}
+
+func (d *ScreenDrawer) Print(s string, style tcell.Style) {
+	d.l.Draw(s, style)
+}
+
+func (d *ScreenDrawer) Println(s string, style tcell.Style) {
+	d.Print(s, style)
+	d.NL()
+}
+
+// FillLine prints the given rune until the end of the current line
+// and adds a newline.
+func (d *ScreenDrawer) FillLine(r rune, style tcell.Style) {
+	w, _ := d.Screen().Size()
+	if w-d.l.col < 0 {
+		d.NL()
+		return
+	}
+	s := strings.Repeat(string(r), w-d.l.col)
+	d.Print(s, style)
+	d.NL()
+}
+
+func (d *ScreenDrawer) FillUntil(r rune, style tcell.Style, limit int) {
+	if d.l.col > limit {
+		return // already passed the limit
+	}
+	s := strings.Repeat(string(r), limit-d.l.col)
+	d.Print(s, style)
+}
+
+// NL adds a newline (i.e., moves to the next line).
+func (d *ScreenDrawer) NL() {
+	d.l.row++
+	d.l.col = 0
+}
+
+func (d *ScreenDrawer) Screen() tcell.Screen {
+	return d.l.s
+}
+
+// Goto moves the screendrawer to the specified cell.
+func (d *ScreenDrawer) Goto(x, y int) {
+	d.l.row = y
+	d.l.col = x
+}
+
+// Go to the bottom of the screen.
+func (d *ScreenDrawer) GoToBottom() {
+	_, h := d.Screen().Size()
+	d.l.row = h - 1
+	d.l.col = 0
+}
+
+type LineDrawer struct {
+	s   tcell.Screen
+	row int
+	col int
+}
+
+func NewLineDrawer(row int, s tcell.Screen) *LineDrawer {
+	return &LineDrawer{row: row, col: 0, s: s}
+}
+
+func (d *LineDrawer) Draw(s string, style tcell.Style) {
+	for _, r := range s {
+		d.s.SetContent(d.col, d.row, r, nil, style)
+		d.col += runewidth.RuneWidth(r)
+	}
+}
--- a/tools/asynq/cmd/dash/table.go
+++ b/tools/asynq/cmd/dash/table.go
@@ -0,0 +1,70 @@
+// Copyright 2022 Kentaro Hibino. All rights reserved.
+// Use of this source code is governed by a MIT license
+// that can be found in the LICENSE file.
+
+package dash
+
+import (
+	"github.com/gdamore/tcell/v2"
+	"github.com/mattn/go-runewidth"
+)
+
+type columnAlignment int
+
+const (
+	alignRight columnAlignment = iota
+	alignLeft
+)
+
+type columnConfig[V any] struct {
+	name      string
+	alignment columnAlignment
+	displayFn func(v V) string
+}
+
+type column[V any] struct {
+	*columnConfig[V]
+	width int
+}
+
+// Helper to draw a table.
+func drawTable[V any](d *ScreenDrawer, style tcell.Style, configs []*columnConfig[V], data []V, highlightRowIdx int) {
+	const colBuffer = "    " // extra buffer between columns
+	cols := make([]*column[V], len(configs))
+	for i, cfg := range configs {
+		cols[i] = &column[V]{cfg, runewidth.StringWidth(cfg.name)}
+	}
+	// adjust the column width to accommodate the widest value.
+	for _, v := range data {
+		for _, col := range cols {
+			if w := runewidth.StringWidth(col.displayFn(v)); col.width < w {
+				col.width = w
+			}
+		}
+	}
+	// print header
+	headerStyle := style.Background(tcell.ColorDimGray).Foreground(tcell.ColorWhite)
+	for _, col := range cols {
+		if col.alignment == alignLeft {
+			d.Print(rpad(col.name, col.width)+colBuffer, headerStyle)
+		} else {
+			d.Print(lpad(col.name, col.width)+colBuffer, headerStyle)
+		}
+	}
+	d.FillLine(' ', headerStyle)
+	// print body
+	for i, v := range data {
+		rowStyle := style
+		if highlightRowIdx == i {
+			rowStyle = style.Background(tcell.ColorDarkOliveGreen)
+		}
+		for _, col := range cols {
+			if col.alignment == alignLeft {
+				d.Print(rpad(col.displayFn(v), col.width)+colBuffer, rowStyle)
+			} else {
+				d.Print(lpad(col.displayFn(v), col.width)+colBuffer, rowStyle)
+			}
+		}
+		d.FillLine(' ', rowStyle)
+	}
+}
--- a/tools/asynq/cmd/group.go
+++ b/tools/asynq/cmd/group.go
@@ -8,6 +8,7 @@ import (
 	"fmt"
 	"os"

+	"github.com/MakeNowJust/heredoc/v2"
 	"github.com/spf13/cobra"
 )

@@ -19,15 +20,18 @@ func init() {
 }

 var groupCmd = &cobra.Command{
-	Use:   "group",
+	Use:   "group <command> [flags]",
 	Short: "Manage groups",
+	Example: heredoc.Doc(`
+		$ asynq group list --queue=myqueue`),
 }

 var groupListCmd = &cobra.Command{
-	Use:   "ls",
-	Short: "List groups",
-	Args:  cobra.NoArgs,
-	Run:   groupLists,
+	Use:     "list",
+	Aliases: []string{"ls"},
+	Short:   "List groups",
+	Args:    cobra.NoArgs,
+	Run:     groupLists,
 }

 func groupLists(cmd *cobra.Command, args []string) {
--- a/tools/asynq/cmd/queue.go
+++ b/tools/asynq/cmd/queue.go
@@ -9,6 +9,7 @@ import (
 	"io"
 	"os"

+	"github.com/MakeNowJust/heredoc/v2"
 	"github.com/fatih/color"
 	"github.com/hibiken/asynq"
 	"github.com/hibiken/asynq/internal/errors"
@@ -31,51 +32,75 @@ func init() {
 }

 var queueCmd = &cobra.Command{
-	Use:   "queue",
+	Use:   "queue <command> [flags]",
 	Short: "Manage queues",
+	Example: heredoc.Doc(`
+	  $ asynq queue ls
+	  $ asynq queue inspect myqueue
+	  $ asynq queue pause myqueue`),
 }

 var queueListCmd = &cobra.Command{
-	Use:   "ls",
-	Short: "List queues",
+	Use:     "list",
+	Short:   "List queues",
+	Aliases: []string{"ls"},
 	// TODO: Use RunE instead?
 	Run: queueList,
 }

 var queueInspectCmd = &cobra.Command{
-	Use:   "inspect QUEUE [QUEUE...]",
+	Use:   "inspect <queue> [<queue>...]",
 	Short: "Display detailed information on one or more queues",
 	Args:  cobra.MinimumNArgs(1),
 	// TODO: Use RunE instead?
 	Run: queueInspect,
+	Example: heredoc.Doc(`
+		$ asynq queue inspect myqueue
+		$ asynq queue inspect queue1 queue2 queue3`),
 }

 var queueHistoryCmd = &cobra.Command{
-	Use:   "history QUEUE [QUEUE...]",
+	Use:   "history <queue> [<queue>...]",
 	Short: "Display historical aggregate data from one or more queues",
 	Args:  cobra.MinimumNArgs(1),
 	Run:   queueHistory,
+	Example: heredoc.Doc(`
+		$ asynq queue history myqueue
+		$ asynq queue history queue1 queue2 queue3
+		$ asynq queue history myqueue --days=90`),
 }

 var queuePauseCmd = &cobra.Command{
-	Use:   "pause QUEUE [QUEUE...]",
+	Use:   "pause <queue> [<queue>...]",
 	Short: "Pause one or more queues",
 	Args:  cobra.MinimumNArgs(1),
 	Run:   queuePause,
+	Example: heredoc.Doc(`
+		$ asynq queue pause myqueue
+		$ asynq queue pause queue1 queue2 queue3`),
 }

 var queueUnpauseCmd = &cobra.Command{
-	Use:   "unpause QUEUE [QUEUE...]",
-	Short: "Unpause one or more queues",
-	Args:  cobra.MinimumNArgs(1),
-	Run:   queueUnpause,
+	Use:     "resume <queue> [<queue>...]",
+	Short:   "Resume (unpause) one or more queues",
+	Args:    cobra.MinimumNArgs(1),
+	Aliases: []string{"unpause"},
+	Run:     queueUnpause,
+	Example: heredoc.Doc(`
+		$ asynq queue resume myqueue
+		$ asynq queue resume queue1 queue2 queue3`),
 }

 var queueRemoveCmd = &cobra.Command{
-	Use:   "rm QUEUE [QUEUE...]",
-	Short: "Remove one or more queues",
-	Args:  cobra.MinimumNArgs(1),
-	Run:   queueRemove,
+	Use:     "remove <queue> [<queue>...]",
+	Short:   "Remove one or more queues",
+	Aliases: []string{"rm", "delete"},
+	Args:    cobra.MinimumNArgs(1),
+	Run:     queueRemove,
+	Example: heredoc.Doc(`
+		$ asynq queue rm myqueue
+		$ asynq queue rm queue1 queue2 queue3
+		$ asynq queue rm myqueue --force`),
 }

 func queueList(cmd *cobra.Command, args []string) {
--- a/tools/asynq/cmd/root.go
+++ b/tools/asynq/cmd/root.go
@@ -14,11 +14,15 @@ import (
 	"unicode"
 	"unicode/utf8"

+	"github.com/MakeNowJust/heredoc/v2"
+	"github.com/fatih/color"
 	"github.com/go-redis/redis/v8"
 	"github.com/hibiken/asynq"
 	"github.com/hibiken/asynq/internal/base"
 	"github.com/hibiken/asynq/internal/rdb"
 	"github.com/spf13/cobra"
+	"github.com/spf13/pflag"
+	"golang.org/x/exp/utf8string"

 	homedir "github.com/mitchellh/go-homedir"
 	"github.com/spf13/viper"
@@ -39,10 +43,22 @@ var (

 // rootCmd represents the base command when called without any subcommands
 var rootCmd = &cobra.Command{
-	Use:     "asynq",
-	Short:   "A monitoring tool for asynq queues",
-	Long:    `Asynq is a montoring CLI to inspect tasks and queues managed by asynq.`,
+	Use:     "asynq <command> <subcommand> [flags]",
+	Short:   "Asynq CLI",
+	Long:    `Command line tool to inspect tasks and queues managed by Asynq`,
 	Version: base.Version,
+
+	SilenceUsage:  true,
+	SilenceErrors: true,
+
+	Example: heredoc.Doc(`
+		$ asynq stats
+		$ asynq queue pause myqueue
+		$ asynq task list --queue=myqueue --state=archived`),
+	Annotations: map[string]string{
+		"help:feedback": heredoc.Doc(`
+			Open an issue at https://github.com/hibiken/asynq/issues/new/choose`),
+	},
 }

 var versionOutput = fmt.Sprintf("asynq version %s\n", base.Version)
@@ -64,22 +80,239 @@ func Execute() {
 	}
 }

+func isRootCmd(cmd *cobra.Command) bool {
+	return cmd != nil && !cmd.HasParent()
+}
+
+// displayLine represents a line displayed in the output as '<name> <desc>',
+// where pad is used to pad the name from desc.
+type displayLine struct {
+	name string
+	desc string
+	pad  int // number of rpad
+}
+
+func (l *displayLine) String() string {
+	return rpad(l.name, l.pad) + l.desc
+}
+
+type displayLines []*displayLine
+
+func (dls displayLines) String() string {
+	var lines []string
+	for _, dl := range dls {
+		lines = append(lines, dl.String())
+	}
+	return strings.Join(lines, "\n")
+}
+
+// Capitalize the first word in the given string.
+func capitalize(s string) string {
+	str := utf8string.NewString(s)
+	if str.RuneCount() == 0 {
+		return ""
+	}
+	var b strings.Builder
+	b.WriteString(strings.ToUpper(string(str.At(0))))
+	b.WriteString(str.Slice(1, str.RuneCount()))
+	return b.String()
+}
+
+func rootHelpFunc(cmd *cobra.Command, args []string) {
+	// Display helpful error message when user mistypes a subcommand (e.g. 'asynq queue lst').
+	if isRootCmd(cmd.Parent()) && len(args) >= 2 && args[1] != "--help" && args[1] != "-h" {
+		printSubcommandSuggestions(cmd, args[1])
+		return
+	}
+
+	var lines []*displayLine
+	var commands []*displayLine
+	for _, c := range cmd.Commands() {
+		if c.Hidden || c.Short == "" || c.Name() == "help" {
+			continue
+		}
+		l := &displayLine{name: c.Name() + ":", desc: capitalize(c.Short)}
+		commands = append(commands, l)
+		lines = append(lines, l)
+	}
+	var localFlags []*displayLine
+	cmd.LocalFlags().VisitAll(func(f *pflag.Flag) {
+		l := &displayLine{name: "--" + f.Name, desc: capitalize(f.Usage)}
+		localFlags = append(localFlags, l)
+		lines = append(lines, l)
+	})
+	var inheritedFlags []*displayLine
+	cmd.InheritedFlags().VisitAll(func(f *pflag.Flag) {
+		l := &displayLine{name: "--" + f.Name, desc: capitalize(f.Usage)}
+		inheritedFlags = append(inheritedFlags, l)
+		lines = append(lines, l)
+	})
+	adjustPadding(lines...)
+
+	type helpEntry struct {
+		Title string
+		Body  string
+	}
+	var helpEntries []*helpEntry
+	desc := cmd.Long
+	if desc == "" {
+		desc = cmd.Short
+	}
+	if desc != "" {
+		helpEntries = append(helpEntries, &helpEntry{"", desc})
+	}
+	helpEntries = append(helpEntries, &helpEntry{"USAGE", cmd.UseLine()})
+	if len(commands) > 0 {
+		helpEntries = append(helpEntries, &helpEntry{"COMMANDS", displayLines(commands).String()})
+	}
+	if cmd.LocalFlags().HasFlags() {
+		helpEntries = append(helpEntries, &helpEntry{"FLAGS", displayLines(localFlags).String()})
+	}
+	if cmd.InheritedFlags().HasFlags() {
+		helpEntries = append(helpEntries, &helpEntry{"INHERITED FLAGS", displayLines(inheritedFlags).String()})
+	}
+	if cmd.Example != "" {
+		helpEntries = append(helpEntries, &helpEntry{"EXAMPLES", cmd.Example})
+	}
+	helpEntries = append(helpEntries, &helpEntry{"LEARN MORE", heredoc.Doc(`
+		Use 'asynq <command> <subcommand> --help' for more information about a command.`)})
+	if s, ok := cmd.Annotations["help:feedback"]; ok {
+		helpEntries = append(helpEntries, &helpEntry{"FEEDBACK", s})
+	}
+
+	out := cmd.OutOrStdout()
+	bold := color.New(color.Bold)
+	for _, e := range helpEntries {
+		if e.Title != "" {
+			// If there is a title, add indentation to each line in the body
+			bold.Fprintln(out, e.Title)
+			fmt.Fprintln(out, indent(e.Body, 2 /* spaces */))
+		} else {
+			// If there is no title, print the body as is
+			fmt.Fprintln(out, e.Body)
+		}
+		fmt.Fprintln(out)
+	}
+}
+
+func rootUsageFunc(cmd *cobra.Command) error {
+	out := cmd.OutOrStdout()
+	fmt.Fprintf(out, "Usage: %s", cmd.UseLine())
+	if subcmds := cmd.Commands(); len(subcmds) > 0 {
+		fmt.Fprint(out, "\n\nAvailable commands:\n")
+		for _, c := range subcmds {
+			if c.Hidden {
+				continue
+			}
+			fmt.Fprintf(out, "  %s\n", c.Name())
+		}
+	}
+
+	var localFlags []*displayLine
+	cmd.LocalFlags().VisitAll(func(f *pflag.Flag) {
+		localFlags = append(localFlags, &displayLine{name: "--" + f.Name, desc: capitalize(f.Usage)})
+	})
+	adjustPadding(localFlags...)
+	if len(localFlags) > 0 {
+		fmt.Fprint(out, "\n\nFlags:\n")
+		for _, l := range localFlags {
+			fmt.Fprintf(out, "  %s\n", l.String())
+		}
+	}
+	return nil
+}
+
+func printSubcommandSuggestions(cmd *cobra.Command, arg string) {
+	out := cmd.OutOrStdout()
+	fmt.Fprintf(out, "unknown command %q for %q\n", arg, cmd.CommandPath())
+	if cmd.SuggestionsMinimumDistance <= 0 {
+		cmd.SuggestionsMinimumDistance = 2
+	}
+	candidates := cmd.SuggestionsFor(arg)
+	if len(candidates) > 0 {
+		fmt.Fprint(out, "\nDid you mean this?\n")
+		for _, c := range candidates {
+			fmt.Fprintf(out, "\t%s\n", c)
+		}
+	}
+	fmt.Fprintln(out)
+	rootUsageFunc(cmd)
+}
+
+func adjustPadding(lines ...*displayLine) {
+	// find the maximum width of the name
+	max := 0
+	for _, l := range lines {
+		if n := utf8.RuneCountInString(l.name); n > max {
+			max = n
+		}
+	}
+	for _, l := range lines {
+		l.pad = max
+	}
+}
+
+// rpad adds padding to the right of a string.
+func rpad(s string, padding int) string {
+	tmpl := fmt.Sprintf("%%-%ds ", padding)
+	return fmt.Sprintf(tmpl, s)
+
+}
+
+// lpad adds padding to the left of a string.
+func lpad(s string, padding int) string {
+	tmpl := fmt.Sprintf("%%%ds ", padding)
+	return fmt.Sprintf(tmpl, s)
+}
+
+// indent indents the given text by given spaces.
+func indent(text string, space int) string {
+	if len(text) == 0 {
+		return ""
+	}
+	var b strings.Builder
+	indentation := strings.Repeat(" ", space)
+	lastRune := '\n'
+	for _, r := range text {
+		if lastRune == '\n' {
+			b.WriteString(indentation)
+		}
+		b.WriteRune(r)
+		lastRune = r
+	}
+	return b.String()
+}
+
+// dedent removes any indentation from the given text.
+func dedent(text string) string {
+	lines := strings.Split(text, "\n")
+	var b strings.Builder
+	for _, l := range lines {
+		b.WriteString(strings.TrimLeftFunc(l, unicode.IsSpace))
+		b.WriteRune('\n')
+	}
+	return b.String()
+}
+
 func init() {
 	cobra.OnInitialize(initConfig)

+	rootCmd.SetHelpFunc(rootHelpFunc)
+	rootCmd.SetUsageFunc(rootUsageFunc)
+
 	rootCmd.AddCommand(versionCmd)
 	rootCmd.SetVersionTemplate(versionOutput)

-	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file to set flag defaut values (default is $HOME/.asynq.yaml)")
-	rootCmd.PersistentFlags().StringVarP(&uri, "uri", "u", "127.0.0.1:6379", "redis server URI")
-	rootCmd.PersistentFlags().IntVarP(&db, "db", "n", 0, "redis database number (default is 0)")
-	rootCmd.PersistentFlags().StringVarP(&password, "password", "p", "", "password to use when connecting to redis server")
-	rootCmd.PersistentFlags().BoolVar(&useRedisCluster, "cluster", false, "connect to redis cluster")
+	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "Config file to set flag defaut values (default is $HOME/.asynq.yaml)")
+	rootCmd.PersistentFlags().StringVarP(&uri, "uri", "u", "127.0.0.1:6379", "Redis server URI")
+	rootCmd.PersistentFlags().IntVarP(&db, "db", "n", 0, "Redis database number (default is 0)")
+	rootCmd.PersistentFlags().StringVarP(&password, "password", "p", "", "Password to use when connecting to redis server")
+	rootCmd.PersistentFlags().BoolVar(&useRedisCluster, "cluster", false, "Connect to redis cluster")
 	rootCmd.PersistentFlags().StringVar(&clusterAddrs, "cluster_addrs",
 		"127.0.0.1:7000,127.0.0.1:7001,127.0.0.1:7002,127.0.0.1:7003,127.0.0.1:7004,127.0.0.1:7005",
-		"list of comma-separated redis server addresses")
+		"List of comma-separated redis server addresses")
 	rootCmd.PersistentFlags().StringVar(&tlsServerName, "tls_server",
-		"", "server name for TLS validation")
+		"", "Server name for TLS validation")
 	// Bind flags with config.
 	viper.BindPFlag("uri", rootCmd.PersistentFlags().Lookup("uri"))
 	viper.BindPFlag("db", rootCmd.PersistentFlags().Lookup("db"))
@@ -118,7 +351,7 @@ func initConfig() {
 // createRDB creates a RDB instance using flag values and returns it.
 func createRDB() *rdb.RDB {
 	var c redis.UniversalClient
-	if useRedisCluster {
+	if viper.GetBool("cluster") {
 		addrs := strings.Split(viper.GetString("cluster_addrs"), ",")
 		c = redis.NewClusterClient(&redis.ClusterOptions{
 			Addrs:     addrs,
@@ -142,7 +375,7 @@ func createInspector() *asynq.Inspector {
 }

 func getRedisConnOpt() asynq.RedisConnOpt {
-	if useRedisCluster {
+	if viper.GetBool("cluster") {
 		addrs := strings.Split(viper.GetString("cluster_addrs"), ",")
 		return asynq.RedisClusterClientOpt{
 			Addrs:     addrs,
--- a/tools/asynq/cmd/server.go
+++ b/tools/asynq/cmd/server.go
@@ -12,6 +12,7 @@ import (
 	"strings"
 	"time"

+	"github.com/MakeNowJust/heredoc/v2"
 	"github.com/spf13/cobra"
 )

@@ -21,13 +22,16 @@ func init() {
 }

 var serverCmd = &cobra.Command{
-	Use:   "server",
+	Use:   "server <command> [flags]",
 	Short: "Manage servers",
+	Example: heredoc.Doc(`
+		$ asynq server list`),
 }

 var serverListCmd = &cobra.Command{
-	Use:   "ls",
-	Short: "List servers",
+	Use:     "list",
+	Aliases: []string{"ls"},
+	Short:   "List servers",
 	Long: `Server list (asynq server ls) shows all running worker servers
 pulling tasks from the given redis instance.

--- a/tools/asynq/cmd/stats.go
+++ b/tools/asynq/cmd/stats.go
@@ -16,6 +16,7 @@ import (
 	"time"
 	"unicode/utf8"

+	"github.com/MakeNowJust/heredoc/v2"
 	"github.com/fatih/color"
 	"github.com/hibiken/asynq/internal/rdb"
 	"github.com/spf13/cobra"
@@ -24,19 +25,15 @@ import (
 // statsCmd represents the stats command
 var statsCmd = &cobra.Command{
 	Use:   "stats",
-	Short: "Shows current state of the tasks and queues",
-	Long: `Stats (aysnq stats) will show the overview of tasks and queues at that instant.
+	Short: "View current state",
+	Long: heredoc.Doc(`
+	  Stats shows the overview of tasks and queues at that instant.

-Specifically, the command shows the following:
-* Number of tasks in each state
-* Number of tasks in each queue
-* Aggregate data for the current day
-* Basic information about the running redis instance
-
-To monitor the tasks continuously, it's recommended that you run this
-command in conjunction with the watch command.
-
-Example: watch -n 3 asynq stats -> Shows current state of tasks every three seconds`,
+	  The command shows the following:
+	    * Number of tasks in each state
+	    * Number of tasks in each queue
+	    * Aggregate data for the current day
+	    * Basic information about the running redis instance`),
 	Args: cobra.NoArgs,
 	Run:  stats,
 }
--- a/tools/asynq/cmd/task.go
+++ b/tools/asynq/cmd/task.go
@@ -10,6 +10,7 @@ import (
 	"os"
 	"time"

+	"github.com/MakeNowJust/heredoc/v2"
 	"github.com/fatih/color"
 	"github.com/hibiken/asynq"
 	"github.com/spf13/cobra"
@@ -18,8 +19,8 @@ import (
 func init() {
 	rootCmd.AddCommand(taskCmd)
 	taskCmd.AddCommand(taskListCmd)
-	taskListCmd.Flags().StringP("queue", "q", "", "queue to inspect")
-	taskListCmd.Flags().StringP("state", "s", "", "state of the tasks to inspect")
+	taskListCmd.Flags().StringP("queue", "q", "", "queue to inspect (required)")
+	taskListCmd.Flags().StringP("state", "s", "", "state of the tasks; one of { active | pending | aggregating | scheduled | retry | archived | completed } (required)")
 	taskListCmd.Flags().Int("page", 1, "page number")
 	taskListCmd.Flags().Int("size", 30, "page size")
 	taskListCmd.Flags().StringP("group", "g", "", "group to inspect (required for listing aggregating tasks)")
@@ -29,141 +30,155 @@ func init() {
 	taskCmd.AddCommand(taskCancelCmd)

 	taskCmd.AddCommand(taskInspectCmd)
-	taskInspectCmd.Flags().StringP("queue", "q", "", "queue to which the task belongs")
-	taskInspectCmd.Flags().StringP("id", "i", "", "id of the task")
+	taskInspectCmd.Flags().StringP("queue", "q", "", "queue to which the task belongs (required)")
+	taskInspectCmd.Flags().StringP("id", "i", "", "id of the task (required)")
 	taskInspectCmd.MarkFlagRequired("queue")
 	taskInspectCmd.MarkFlagRequired("id")

 	taskCmd.AddCommand(taskArchiveCmd)
-	taskArchiveCmd.Flags().StringP("queue", "q", "", "queue to which the task belongs")
-	taskArchiveCmd.Flags().StringP("id", "i", "", "id of the task")
+	taskArchiveCmd.Flags().StringP("queue", "q", "", "queue to which the task belongs (required)")
+	taskArchiveCmd.Flags().StringP("id", "i", "", "id of the task (required)")
 	taskArchiveCmd.MarkFlagRequired("queue")
 	taskArchiveCmd.MarkFlagRequired("id")

 	taskCmd.AddCommand(taskDeleteCmd)
-	taskDeleteCmd.Flags().StringP("queue", "q", "", "queue to which the task belongs")
-	taskDeleteCmd.Flags().StringP("id", "i", "", "id of the task")
+	taskDeleteCmd.Flags().StringP("queue", "q", "", "queue to which the task belongs (required)")
+	taskDeleteCmd.Flags().StringP("id", "i", "", "id of the task (required)")
 	taskDeleteCmd.MarkFlagRequired("queue")
 	taskDeleteCmd.MarkFlagRequired("id")

 	taskCmd.AddCommand(taskRunCmd)
-	taskRunCmd.Flags().StringP("queue", "q", "", "queue to which the task belongs")
-	taskRunCmd.Flags().StringP("id", "i", "", "id of the task")
+	taskRunCmd.Flags().StringP("queue", "q", "", "queue to which the task belongs (required)")
+	taskRunCmd.Flags().StringP("id", "i", "", "id of the task (required)")
 	taskRunCmd.MarkFlagRequired("queue")
 	taskRunCmd.MarkFlagRequired("id")

 	taskCmd.AddCommand(taskArchiveAllCmd)
-	taskArchiveAllCmd.Flags().StringP("queue", "q", "", "queue to which the tasks belong")
-	taskArchiveAllCmd.Flags().StringP("state", "s", "", "state of the tasks")
+	taskArchiveAllCmd.Flags().StringP("queue", "q", "", "queue to which the tasks belong (required)")
+	taskArchiveAllCmd.Flags().StringP("state", "s", "", "state of the tasks; one of { pending | aggregating | scheduled | retry } (required)")
 	taskArchiveAllCmd.MarkFlagRequired("queue")
 	taskArchiveAllCmd.MarkFlagRequired("state")
+	taskArchiveAllCmd.Flags().StringP("group", "g", "", "group to which the tasks belong (required for archiving aggregating tasks)")

 	taskCmd.AddCommand(taskDeleteAllCmd)
-	taskDeleteAllCmd.Flags().StringP("queue", "q", "", "queue to which the tasks belong")
-	taskDeleteAllCmd.Flags().StringP("state", "s", "", "state of the tasks")
+	taskDeleteAllCmd.Flags().StringP("queue", "q", "", "queue to which the tasks belong (required)")
+	taskDeleteAllCmd.Flags().StringP("state", "s", "", "state of the tasks; one of { pending | aggregating | scheduled | retry | archived | completed } (required)")
 	taskDeleteAllCmd.MarkFlagRequired("queue")
 	taskDeleteAllCmd.MarkFlagRequired("state")
+	taskDeleteAllCmd.Flags().StringP("group", "g", "", "group to which the tasks belong (required for deleting aggregating tasks)")

 	taskCmd.AddCommand(taskRunAllCmd)
-	taskRunAllCmd.Flags().StringP("queue", "q", "", "queue to which the tasks belong")
-	taskRunAllCmd.Flags().StringP("state", "s", "", "state of the tasks")
+	taskRunAllCmd.Flags().StringP("queue", "q", "", "queue to which the tasks belong (required)")
+	taskRunAllCmd.Flags().StringP("state", "s", "", "state of the tasks; one of { scheduled | retry | archived } (required)")
 	taskRunAllCmd.MarkFlagRequired("queue")
 	taskRunAllCmd.MarkFlagRequired("state")
+	taskRunAllCmd.Flags().StringP("group", "g", "", "group to which the tasks belong (required for running aggregating tasks)")
 }

 var taskCmd = &cobra.Command{
-	Use:   "task",
+	Use:   "task <command> [flags]",
 	Short: "Manage tasks",
+	Example: heredoc.Doc(`
+		$ asynq task list --queue=myqueue --state=scheduled
+		$ asynq task inspect --queue=myqueue --id=7837f142-6337-4217-9276-8f27281b67d1
+		$ asynq task delete --queue=myqueue --id=7837f142-6337-4217-9276-8f27281b67d1
+		$ asynq task deleteall --queue=myqueue --state=archived`),
 }

 var taskListCmd = &cobra.Command{
-	Use:   "ls --queue=QUEUE --state=STATE",
-	Short: "List tasks",
-	Long: `List tasks of the given state from the specified queue.
+	Use:     "list --queue=<queue> --state=<state> [flags]",
+	Aliases: []string{"ls"},
+	Short:   "List tasks",
+	Long: heredoc.Doc(`
+	List tasks of the given state from the specified queue.

-The value for the state flag should be one of:
- active
- pending
- aggregating
- scheduled
- retry
- archived
- completed
+	The --queue and --state flags are required.

-List opeartion paginates the result set.
-By default, the command fetches the first 30 tasks.
-Use --page and --size flags to specify the page number and size.
+	Note: For aggregating tasks, additional --group flag is required.

-
-Example: 
-To list pending tasks from "default" queue, run
-  asynq task ls --queue=default --state=pending
-
-To list the tasks from the second page, run
-  asynq task ls --queue=default --state=pending --page=1
-
-For aggregating tasks, additional --group flag is required.
-
-Example:
-  asynq task ls --queue=default --state=aggregating --group=mygroup
-`,
+	List opeartion paginates the result set. By default, the command fetches the first 30 tasks.
+	Use --page and --size flags to specify the page number and size.`),
+	Example: heredoc.Doc(`
+		$ asynq task list --queue=myqueue --state=pending
+		$ asynq task list --queue=myqueue --state=aggregating --group=mygroup
+		$ asynq task list --queue=myqueue --state=scheduled --page=2`),
 	Run: taskList,
 }

 var taskInspectCmd = &cobra.Command{
-	Use:   "inspect --queue=QUEUE --id=TASK_ID",
+	Use:   "inspect --queue=<queue> --id=<task_id>",
 	Short: "Display detailed information on the specified task",
 	Args:  cobra.NoArgs,
 	Run:   taskInspect,
+	Example: heredoc.Doc(`
+		$ asynq task inspect --queue=myqueue --id=f1720682-f5a6-4db1-8953-4f48ae541d0f`),
 }

 var taskCancelCmd = &cobra.Command{
-	Use:   "cancel TASK_ID [TASK_ID...]",
+	Use:   "cancel <task_id> [<task_id>...]",
 	Short: "Cancel one or more active tasks",
 	Args:  cobra.MinimumNArgs(1),
 	Run:   taskCancel,
+	Example: heredoc.Doc(`
+		$ asynq task cancel f1720682-f5a6-4db1-8953-4f48ae541d0f`),
 }

 var taskArchiveCmd = &cobra.Command{
-	Use:   "archive --queue=QUEUE --id=TASK_ID",
+	Use:   "archive --queue=<queue> --id=<task_id>",
 	Short: "Archive a task with the given id",
 	Args:  cobra.NoArgs,
 	Run:   taskArchive,
+	Example: heredoc.Doc(`
+		$ asynq task archive --queue=myqueue --id=f1720682-f5a6-4db1-8953-4f48ae541d0f`),
 }

 var taskDeleteCmd = &cobra.Command{
-	Use:   "delete --queue=QUEUE --id=TASK_ID",
-	Short: "Delete a task with the given id",
-	Args:  cobra.NoArgs,
-	Run:   taskDelete,
+	Use:     "delete --queue=<queue> --id=<task_id>",
+	Aliases: []string{"remove", "rm"},
+	Short:   "Delete a task with the given id",
+	Args:    cobra.NoArgs,
+	Run:     taskDelete,
+	Example: heredoc.Doc(`
+		$ asynq task delete --queue=myqueue --id=f1720682-f5a6-4db1-8953-4f48ae541d0f`),
 }

 var taskRunCmd = &cobra.Command{
-	Use:   "run --queue=QUEUE --id=TASK_ID",
+	Use:   "run --queue=<queue> --id=<task_id>",
 	Short: "Run a task with the given id",
 	Args:  cobra.NoArgs,
 	Run:   taskRun,
+	Example: heredoc.Doc(`
+		$ asynq task run --queue=myqueue --id=f1720682-f5a6-4db1-8953-4f48ae541d0f`),
 }

 var taskArchiveAllCmd = &cobra.Command{
-	Use:   "archiveall --queue=QUEUE --state=STATE",
+	Use:   "archiveall --queue=<queue> --state=<state>",
 	Short: "Archive all tasks in the given state",
 	Args:  cobra.NoArgs,
 	Run:   taskArchiveAll,
+	Example: heredoc.Doc(`
+		$ asynq task archiveall --queue=myqueue --state=retry
+		$ asynq task archiveall --queue=myqueue --state=aggregating --group=mygroup`),
 }

 var taskDeleteAllCmd = &cobra.Command{
-	Use:   "deleteall --queue=QUEUE --state=STATE",
+	Use:   "deleteall --queue=<queue> --state=<state>",
 	Short: "Delete all tasks in the given state",
 	Args:  cobra.NoArgs,
 	Run:   taskDeleteAll,
+	Example: heredoc.Doc(`
+		$ asynq task deleteall --queue=myqueue --state=archived
+		$ asynq task deleteall --queue=myqueue --state=aggregating --group=mygroup`),
 }

 var taskRunAllCmd = &cobra.Command{
-	Use:   "runall --queue=QUEUE --state=STATE",
+	Use:   "runall --queue=<queue> --state=<state>",
 	Short: "Run all tasks in the given state",
 	Args:  cobra.NoArgs,
 	Run:   taskRunAll,
+	Example: heredoc.Doc(`
+		$ asynq task runall --queue=myqueue --state=retry
+		$ asynq task runall --queue=myqueue --state=aggregating --group=mygroup`),
 }

 func taskList(cmd *cobra.Command, args []string) {
@@ -527,6 +542,17 @@ func taskArchiveAll(cmd *cobra.Command, args []string) {
 		n, err = i.ArchiveAllScheduledTasks(qname)
 	case "retry":
 		n, err = i.ArchiveAllRetryTasks(qname)
+	case "aggregating":
+		group, err := cmd.Flags().GetString("group")
+		if err != nil {
+			fmt.Printf("error: %v\n", err)
+			os.Exit(1)
+		}
+		if group == "" {
+			fmt.Println("error: Flag --group is required for aggregating tasks")
+			os.Exit(1)
+		}
+		n, err = i.ArchiveAllAggregatingTasks(qname, group)
 	default:
 		fmt.Printf("error: unsupported state %q\n", state)
 		os.Exit(1)
@@ -563,6 +589,17 @@ func taskDeleteAll(cmd *cobra.Command, args []string) {
 		n, err = i.DeleteAllArchivedTasks(qname)
 	case "completed":
 		n, err = i.DeleteAllCompletedTasks(qname)
+	case "aggregating":
+		group, err := cmd.Flags().GetString("group")
+		if err != nil {
+			fmt.Printf("error: %v\n", err)
+			os.Exit(1)
+		}
+		if group == "" {
+			fmt.Println("error: Flag --group is required for aggregating tasks")
+			os.Exit(1)
+		}
+		n, err = i.DeleteAllAggregatingTasks(qname, group)
 	default:
 		fmt.Printf("error: unsupported state %q\n", state)
 		os.Exit(1)
@@ -595,6 +632,17 @@ func taskRunAll(cmd *cobra.Command, args []string) {
 		n, err = i.RunAllRetryTasks(qname)
 	case "archived":
 		n, err = i.RunAllArchivedTasks(qname)
+	case "aggregating":
+		group, err := cmd.Flags().GetString("group")
+		if err != nil {
+			fmt.Printf("error: %v\n", err)
+			os.Exit(1)
+		}
+		if group == "" {
+			fmt.Println("error: Flag --group is required for aggregating tasks")
+			os.Exit(1)
+		}
+		n, err = i.RunAllAggregatingTasks(qname, group)
 	default:
 		fmt.Printf("error: unsupported state %q\n", state)
 		os.Exit(1)
--- a/tools/go.mod
+++ b/tools/go.mod
@@ -1,17 +1,55 @@
 module github.com/hibiken/asynq/tools

-go 1.13
+go 1.18

 require (
+	github.com/MakeNowJust/heredoc/v2 v2.0.1
 	github.com/fatih/color v1.9.0
+	github.com/gdamore/tcell/v2 v2.5.1
 	github.com/go-redis/redis/v8 v8.11.4
-	github.com/hibiken/asynq v0.21.0
+	github.com/google/go-cmp v0.5.6
+	github.com/hibiken/asynq v0.23.0
 	github.com/hibiken/asynq/x v0.0.0-20220131170841-349f4c50fb1d
+	github.com/mattn/go-runewidth v0.0.13
 	github.com/mitchellh/go-homedir v1.1.0
 	github.com/prometheus/client_golang v1.11.0
-	github.com/spf13/afero v1.1.2 // indirect
 	github.com/spf13/cobra v1.1.1
+	github.com/spf13/pflag v1.0.5
 	github.com/spf13/viper v1.7.0
+	golang.org/x/exp v0.0.0-20191030013958-a1ab85dbe136
 )

-replace github.com/hibiken/asynq => ../
+require (
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/cespare/xxhash/v2 v2.2.0 // indirect
+	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
+	github.com/fsnotify/fsnotify v1.4.9 // indirect
+	github.com/gdamore/encoding v1.0.0 // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/google/uuid v1.3.0 // indirect
+	github.com/hashicorp/hcl v1.0.0 // indirect
+	github.com/inconshreveable/mousetrap v1.0.0 // indirect
+	github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
+	github.com/magiconair/properties v1.8.1 // indirect
+	github.com/mattn/go-colorable v0.1.4 // indirect
+	github.com/mattn/go-isatty v0.0.11 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
+	github.com/mitchellh/mapstructure v1.1.2 // indirect
+	github.com/pelletier/go-toml v1.2.0 // indirect
+	github.com/prometheus/client_model v0.2.0 // indirect
+	github.com/prometheus/common v0.26.0 // indirect
+	github.com/prometheus/procfs v0.6.0 // indirect
+	github.com/rivo/uniseg v0.2.0 // indirect
+	github.com/robfig/cron/v3 v3.0.1 // indirect
+	github.com/spf13/afero v1.1.2 // indirect
+	github.com/spf13/cast v1.3.1 // indirect
+	github.com/spf13/jwalterweatherman v1.0.0 // indirect
+	github.com/subosito/gotenv v1.2.0 // indirect
+	golang.org/x/sys v0.0.0-20220318055525-2edf467146b5 // indirect
+	golang.org/x/term v0.0.0-20201210144234-2321bbc49cbf // indirect
+	golang.org/x/text v0.3.7 // indirect
+	golang.org/x/time v0.0.0-20190308202827-9d24e82272b4 // indirect
+	google.golang.org/protobuf v1.26.0 // indirect
+	gopkg.in/ini.v1 v1.51.0 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+)
--- a/tools/go.sum
+++ b/tools/go.sum
@@ -14,6 +14,8 @@ dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
+github.com/MakeNowJust/heredoc/v2 v2.0.1 h1:rlCHh70XXXv7toz95ajQWOWQnN4WNLt0TdpZYIR/J6A=
+github.com/MakeNowJust/heredoc/v2 v2.0.1/go.mod h1:6/2Abh5s+hc3g9nbWLe9ObDIOhaRrqsyY9MWy+4JdRM=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
@@ -30,11 +32,11 @@ github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6r
 github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
 github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c/go.mod h1:MKsuJmJgSg28kpZDP6UIiPt0e0Oz0kqKNGyRaWEPv84=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
-github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/cespare/xxhash/v2 v2.1.2 h1:YRXhKfTDauu4ajMg1TPgFO5jnlC2HCbmLXMcTG5cbYE=
 github.com/cespare/xxhash/v2 v2.1.2/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
+github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
 github.com/coreos/etcd v3.3.13+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
@@ -57,6 +59,10 @@ github.com/fatih/color v1.9.0/go.mod h1:eQcE1qtQxscV5RaZvpXrrb8Drkc3/DdQ+uUYCNjL
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4=
 github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
+github.com/gdamore/encoding v1.0.0 h1:+7OoQ1Bc6eTm5niUzBa0Ctsh6JbMW6Ra+YNuAtDBdko=
+github.com/gdamore/encoding v1.0.0/go.mod h1:alR0ol34c49FCSBLjhosxzcPHQbf2trDkoo5dl+VrEg=
+github.com/gdamore/tcell/v2 v2.5.1 h1:zc3LPdpK184lBW7syF2a5C6MV827KmErk9jGVnmsl/I=
+github.com/gdamore/tcell/v2 v2.5.1/go.mod h1:wSkrPaXoiIWZqW/g7Px4xc79di6FTcpB8tvaKJ6uGBo=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
 github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
@@ -140,8 +146,8 @@ github.com/hashicorp/mdns v1.0.0/go.mod h1:tL+uN++7HEJ6SQLQ2/p+z2pH24WQKWjBPkE0m
 github.com/hashicorp/memberlist v0.1.3/go.mod h1:ajVTdAv/9Im8oMAAj5G31PhhMCZJV2pPBoIllUwCN7I=
 github.com/hashicorp/serf v0.8.2/go.mod h1:6hOLApaqBFA1NXqRQAsxw9QxuDEvNxSQRwA/JwenrHc=
 github.com/hibiken/asynq v0.19.0/go.mod h1:tyc63ojaW8SJ5SBm8mvI4DDONsguP5HE85EEl4Qr5Ig=
-github.com/hibiken/asynq v0.21.0 h1:uH9XogJhjq/S39E0/DEPWLZQ6hHJ73UiblZTe4RzHwA=
-github.com/hibiken/asynq v0.21.0/go.mod h1:tyc63ojaW8SJ5SBm8mvI4DDONsguP5HE85EEl4Qr5Ig=
+github.com/hibiken/asynq v0.23.0 h1:kmKkNFgqiXBatC8oz94Mer6uvKoGn4STlIVDV5wnKyE=
+github.com/hibiken/asynq v0.23.0/go.mod h1:K70jPVx+CAmmQrXot7Dru0D52EO7ob4BIun3ri5z1Qw=
 github.com/hibiken/asynq/x v0.0.0-20220131170841-349f4c50fb1d h1:Er+U+9PmnyRHRDQjSjRQ24HoWvOY7w9Pk7bUPYM3Ags=
 github.com/hibiken/asynq/x v0.0.0-20220131170841-349f4c50fb1d/go.mod h1:VmxwMfMKyb6gyv8xG0oOBMXIhquWKPx+zPtbVBd2Q1s=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
@@ -167,6 +173,8 @@ github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORN
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
+github.com/lucasb-eyer/go-colorful v1.2.0 h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69Aj6K7nkY=
+github.com/lucasb-eyer/go-colorful v1.2.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
 github.com/magiconair/properties v1.8.1 h1:ZC2Vc7/ZFkGmsVC9KvOjumD+G5lXy2RtTKyzRKO2BQ4=
 github.com/magiconair/properties v1.8.1/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
 github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
@@ -176,6 +184,8 @@ github.com/mattn/go-isatty v0.0.3/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNx
 github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
 github.com/mattn/go-isatty v0.0.11 h1:FxPOTFNqGkuDUGi3H/qkUbQO4ZiBa2brKq5r0l8TGeM=
 github.com/mattn/go-isatty v0.0.11/go.mod h1:PhnuNfih5lzO57/f3n+odYbM4JtupLOxQOAqxQCu2WE=
+github.com/mattn/go-runewidth v0.0.13 h1:lTGmDsbAYt5DmK6OnoV7EuIF1wEIFAcxld6ypU4OSgU=
+github.com/mattn/go-runewidth v0.0.13/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
 github.com/matttproud/golang_protobuf_extensions v1.0.1 h1:4hp9jkHxhMHkqkrB3Ix0jegS5sx/RkqARlsWZ6pIwiU=
 github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
 github.com/miekg/dns v1.0.14/go.mod h1:W1PPwlIAgtquWBMBEV9nkV9Cazfe8ScdGz/Lj7v3Nrg=
@@ -242,6 +252,8 @@ github.com/prometheus/procfs v0.1.3/go.mod h1:lV6e/gmhEcM9IjHGsFOCxxuZ+z1YqCvr4O
 github.com/prometheus/procfs v0.6.0 h1:mxy4L2jP6qMonqmq+aTtOx1ifVWUgG/TAmntgbh3xv4=
 github.com/prometheus/procfs v0.6.0/go.mod h1:cz+aTbrPOrUb4q7XlbU9ygM+/jj0fzG6c1xBZuNvfVA=
 github.com/prometheus/tsdb v0.7.1/go.mod h1:qhTCs0VvXwvX/y3TZrWD7rabWM+ijKTux40TwIPHuXU=
+github.com/rivo/uniseg v0.2.0 h1:S1pD9weZBuJdFmowNwbpi7BJ8TNftyUImj/0WQi72jY=
+github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
 github.com/robfig/cron/v3 v3.0.1 h1:WdRxkvbJztn8LMz/QEvLN5sBU+xKpSqwwUO1Pjr4qDs=
 github.com/robfig/cron/v3 v3.0.1/go.mod h1:eQICP3HwyT7UooqI/z+Ov+PtYAWygg1TEWWzGIFLtro=
 github.com/rogpeppe/fastuuid v0.0.0-20150106093220-6724a57986af/go.mod h1:XWv6SoW27p1b0cqNHllgS5HIMJraePCO15w5zCzIWYg=
@@ -305,6 +317,7 @@ golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL
 golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
 golang.org/x/exp v0.0.0-20190829153037-c13cbed26979/go.mod h1:86+5VVa7VpoJ4kLfm080zCjGlMRFzhUhsZKEZO7MGek=
+golang.org/x/exp v0.0.0-20191030013958-a1ab85dbe136 h1:A1gGSx58LAGVHUUsOf7IiR0u8Xb6W51gRwfDBhkdcaw=
 golang.org/x/exp v0.0.0-20191030013958-a1ab85dbe136/go.mod h1:JXzH8nQsPlswgeRAPE3MuO9GYsAcnJvJ4vnMwN/5qkY=
 golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
 golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
@@ -382,15 +395,19 @@ golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20210112080510-489259a85091/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210603081109-ebe580a85c40 h1:JWgyZ1qgdTaF3N3oxC+MdTV7qvEEgHo3otj+HB5CM7Q=
 golang.org/x/sys v0.0.0-20210603081109-ebe580a85c40/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220318055525-2edf467146b5 h1:saXMvIOKvRFwbOMicHXr0B1uwoxq9dGmLe5ExMES6c4=
+golang.org/x/sys v0.0.0-20220318055525-2edf467146b5/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
+golang.org/x/term v0.0.0-20201210144234-2321bbc49cbf h1:MZ2shdL+ZM/XzY3ZGOnh4Nlpnxz5GSOhOmtHo3iPU6M=
+golang.org/x/term v0.0.0-20201210144234-2321bbc49cbf/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.3.6 h1:aRYxNxv6iGQlyVaZmk6ZgYEDa+Jg18DxebPSrd6bg1M=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.7 h1:olpwvP2KacW1ZWvsR7uQhoyTYvKAupfQrRGBFM352Gk=
+golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4 h1:SvFZT6jyqRaOeXpc5h/JSfZenJ2O330aBsf7JfSUXmQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
Author	SHA1	Message	Date
Ken Hibino	fde294be32	v0.24.1	2023-05-01 06:48:07 -07:00
Mohammed Sohail	cbb1be34ac	(tools & x): revert to v8 version `cc777eb` * revert state to as it was before v9 updates for tools and x modules	2023-04-17 22:30:33 -07:00
Mohammed Sohail	6ed70adf3b	fix: breaking build below go < 1.18 * see https://github.com/redis/go-redis/pull/2458 for more info	2023-04-17 22:30:33 -07:00
Mohammed Sohail	1f42d71e9b	pkg (tools): revert replace directive in go.mod * this was previously reverted also in #392	2023-04-17 22:30:33 -07:00
Phước Trung	f966a6c3b8	completely update Redis package Signed-off-by: Mohammed Sohail <sohailsameja@gmail.com>	2023-04-17 22:30:33 -07:00
Mohammed Sohail	8b057b8767	tests: restore ignore goleak.IgnoreTopFunction	2023-04-17 22:30:33 -07:00
Phước Trung	c72bfef094	fix unit test Signed-off-by: Mohammed Sohail <sohailsameja@gmail.com>	2023-04-17 22:30:33 -07:00
Mohammed Sohail	dffb78cca4	pkg: remove v8 refs	2023-04-17 22:30:33 -07:00
Emanuel Bennici	0275df8df4	Update redis/go-redis to v9 Version v9 implements the support for Redis v7 and has some other improvements.	2023-04-17 22:30:33 -07:00
cui fliter	cc777ebdaa	fix some typos Signed-off-by: cui fliter <imcusg@gmail.com>	2023-01-05 20:03:02 -08:00
Ken Hibino	783071c47f	v0.24.0	2023-01-02 14:55:33 -08:00
Ken Hibino	bafed907e9	Fix redis script error	2023-01-02 14:53:45 -08:00
Ken Hibino	0b8cfad703	(cli:fix) Read --cluster flag from config file	2022-12-18 21:11:01 -08:00
Zhidong Chen	c08f142b56	fix redis sentinel url parse	2022-09-25 15:04:04 -07:00
徐胖	c70ff6a335	fix a missing ticker.stop()	2022-06-26 13:10:06 -07:00
Ken Hibino	a04ba6411d	Fix dash command flags	2022-06-22 20:57:11 -07:00
Ken Hibino	d0209d9273	Remove error log from Scheduler	2022-06-04 12:48:56 -07:00
Ken Hibino	6c954c87bf	Update readme	2022-06-03 04:14:45 -07:00
Ken Hibino	86fe31990b	(cli): Add dash command	2022-06-02 19:23:06 -07:00
Chih Sean Hsu	e0e5d1ac24	Add pre and post enqueue callback options for Scheduler	2022-05-27 10:50:02 -07:00
Trịnh Đức Bảo Linh	30d409371b	Fix comment typos	2022-05-16 21:14:15 -07:00
Mohab Abd El-Dayem	aefd276146	Upgrade goleak version	2022-05-08 10:17:22 -07:00
Mohab Abd El-Dayem	94ad9e5e74	Update CONTRIBUTING.md to use git ssh	2022-05-08 09:21:33 -07:00
Ken Hibino	5187844ca5	Update CLI install command in README	2022-05-06 16:55:54 -07:00
Ken Hibino	4dd2b5738a	(cli): Improve help command output	2022-05-06 16:18:40 -07:00
Jeffrey Lo	9116c096ec	docs: correct typo (deafult => default)	2022-05-04 19:10:09 -07:00
Erwan Leboucher	5c723f597e	Correct the error message to cancel an active tasks	2022-04-13 06:08:46 -07:00
Ken Hibino	dd6f84c575	(cli): Use asynq v0.23	2022-04-13 06:07:31 -07:00
Ken Hibino	c438339c3d	Fix date in changelog	2022-04-12 06:22:42 -07:00
Ken Hibino	901938b0fe	Update readme	2022-04-11 17:07:24 -07:00