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Update Dequeue operation to skip paused queues

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This commit is contained in:
Ken Hibino
2020-06-04 05:37:17 -07:00
parent 4595bd41c3
commit 363cfedb49
3 changed files with 113 additions and 28 deletions
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12
processor.go
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@@ -166,14 +166,12 @@ func (p *processor) exec() {
msg, err := p.broker.Dequeue(qnames...)
switch {
case err == rdb.ErrNoProcessableTask:
// queues are empty, this is a normal behavior.
if len(qnames) > 1 {
// sleep to avoid slamming redis and let scheduler move tasks into queues.
// Note: With multiple queues, we are not using blocking pop operation and
// polling queues instead. This adds significant load to redis.
time.Sleep(time.Second)
}
p.logger.Debug("All queues are empty")
// Queues are empty, this is a normal behavior.
// Sleep to avoid slamming redis and let scheduler move tasks into queues.
// Note: We are not using blocking pop operation and polling queues instead.
// This adds significant load to redis.
time.Sleep(time.Second)
return
case err != nil:
if p.errLogLimiter.Allow() {