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Add Latency field to QueueInfo

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This commit is contained in:
Ken Hibino
2021-12-11 06:27:44 -08:00
parent e7c1c3ad6f
commit 99a6750656
7 changed files with 104 additions and 50 deletions
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22
internal/rdb/inspect.go
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@@ -46,6 +46,8 @@ type Stats struct {
Processed int
// Total number of tasks failed during the current date.
Failed int
// Latency of the queue, measured by the oldest pending task in the queue.
Latency time.Duration
// Time this stats was taken.
Timestamp time.Time
}
@@ -72,10 +74,13 @@ type DailyStats struct {
// KEYS[7] -> asynq:<qname>:processed:<yyyy-mm-dd>
// KEYS[8] -> asynq:<qname>:failed:<yyyy-mm-dd>
// KEYS[9] -> asynq:<qname>:paused
//
// ARGV[1] -> task key prefix
var currentStatsCmd = redis.NewScript(`
local res = {}
local pendingTaskCount = redis.call("LLEN", KEYS[1])
table.insert(res, KEYS[1])
table.insert(res, redis.call("LLEN", KEYS[1]))
table.insert(res, pendingTaskCount)
table.insert(res, KEYS[2])
table.insert(res, redis.call("LLEN", KEYS[2]))
table.insert(res, KEYS[3])
@@ -102,6 +107,13 @@ table.insert(res, KEYS[8])
table.insert(res, fcount)
table.insert(res, KEYS[9])
table.insert(res, redis.call("EXISTS", KEYS[9]))
table.insert(res, "oldest_pending_since")
if pendingTaskCount > 0 then
local id = redis.call("LRANGE", KEYS[1], -1, -1)[1]
table.insert(res, redis.call("HGET", ARGV[1] .. id, "pending_since"))
else
table.insert(res, 0)
end
return res`)
// CurrentStats returns a current state of the queues.
@@ -125,7 +137,7 @@ func (r *RDB) CurrentStats(qname string) (*Stats, error) {
base.ProcessedKey(qname, now),
base.FailedKey(qname, now),
base.PausedKey(qname),
}).Result()
}, base.TaskKeyPrefix(qname)).Result()
if err != nil {
return nil, errors.E(op, errors.Unknown, err)
}
@@ -170,6 +182,12 @@ func (r *RDB) CurrentStats(qname string) (*Stats, error) {
} else {
stats.Paused = true
}
case "oldest_pending_since":
if val == 0 {
stats.Latency = 0
} else {
stats.Latency = r.clock.Now().Sub(time.Unix(0, int64(val)))
}
}
}
stats.Size = size