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Pause queues (#15928)

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* Start adding mechanism to return unhandled data

Signed-off-by: Andrew Thornton <art27@cantab.net>

* Create pushback interface

Signed-off-by: Andrew Thornton <art27@cantab.net>

* Add Pausable interface to WorkerPool and Manager

Signed-off-by: Andrew Thornton <art27@cantab.net>

* Implement Pausable and PushBack for the bytefifos

Signed-off-by: Andrew Thornton <art27@cantab.net>

* Implement Pausable and Pushback for ChannelQueues and ChannelUniqueQueues

Signed-off-by: Andrew Thornton <art27@cantab.net>

* Wire in UI for pausing

Signed-off-by: Andrew Thornton <art27@cantab.net>

* add testcases and fix a few issues

Signed-off-by: Andrew Thornton <art27@cantab.net>

* fix build

Signed-off-by: Andrew Thornton <art27@cantab.net>

* prevent "race" in the test

Signed-off-by: Andrew Thornton <art27@cantab.net>

* fix jsoniter mismerge

Signed-off-by: Andrew Thornton <art27@cantab.net>

* fix conflicts

Signed-off-by: Andrew Thornton <art27@cantab.net>

* fix format

Signed-off-by: Andrew Thornton <art27@cantab.net>

* Add warnings for no worker configurations and prevent data-loss with redis/levelqueue

Signed-off-by: Andrew Thornton <art27@cantab.net>

* Use StopTimer

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: Lauris BH <lauris@nix.lv>
Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
This commit is contained in:
zeripath
2022-01-22 21:22:14 +00:00
committed by GitHub
parent 27ee01e1e8
commit a82fd98d53
34 changed files with 1389 additions and 122 deletions
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39
modules/queue/unique_queue_disk_channel.go
View File

@@ -51,7 +51,20 @@ func NewPersistableChannelUniqueQueue(handle HandlerFunc, cfg, exemplar interfac
}
config := configInterface.(PersistableChannelUniqueQueueConfiguration)
channelUniqueQueue, err := NewChannelUniqueQueue(handle, ChannelUniqueQueueConfiguration{
queue := &PersistableChannelUniqueQueue{
closed: make(chan struct{}),
}
wrappedHandle := func(data ...Data) (failed []Data) {
for _, unhandled := range handle(data...) {
if fail := queue.PushBack(unhandled); fail != nil {
failed = append(failed, fail)
}
}
return
}
channelUniqueQueue, err := NewChannelUniqueQueue(wrappedHandle, ChannelUniqueQueueConfiguration{
WorkerPoolConfiguration: WorkerPoolConfiguration{
QueueLength: config.QueueLength,
BatchLength: config.BatchLength,
@@ -84,18 +97,16 @@ func NewPersistableChannelUniqueQueue(handle HandlerFunc, cfg, exemplar interfac
DataDir: config.DataDir,
}
queue := &PersistableChannelUniqueQueue{
channelQueue: channelUniqueQueue.(*ChannelUniqueQueue),
closed: make(chan struct{}),
}
queue.channelQueue = channelUniqueQueue.(*ChannelUniqueQueue)
levelQueue, err := NewLevelUniqueQueue(func(data ...Data) {
levelQueue, err := NewLevelUniqueQueue(func(data ...Data) []Data {
for _, datum := range data {
err := queue.Push(datum)
if err != nil && err != ErrAlreadyInQueue {
log.Error("Unable push to channelled queue: %v", err)
}
}
return nil
}, levelCfg, exemplar)
if err == nil {
queue.delayedStarter = delayedStarter{
@@ -142,6 +153,19 @@ func (q *PersistableChannelUniqueQueue) PushFunc(data Data, fn func() error) err
}
}
// PushBack will push the indexer data to queue
func (q *PersistableChannelUniqueQueue) PushBack(data Data) error {
select {
case <-q.closed:
if pbr, ok := q.internal.(PushBackable); ok {
return pbr.PushBack(data)
}
return q.internal.Push(data)
default:
return q.channelQueue.Push(data)
}
}
// Has will test if the queue has the data
func (q *PersistableChannelUniqueQueue) Has(data Data) (bool, error) {
// This is more difficult...
@@ -163,13 +187,14 @@ func (q *PersistableChannelUniqueQueue) Run(atShutdown, atTerminate func(func())
q.lock.Lock()
if q.internal == nil {
err := q.setInternal(atShutdown, func(data ...Data) {
err := q.setInternal(atShutdown, func(data ...Data) []Data {
for _, datum := range data {
err := q.Push(datum)
if err != nil && err != ErrAlreadyInQueue {
log.Error("Unable push to channelled queue: %v", err)
}
}
return nil
}, q.channelQueue.exemplar)
q.lock.Unlock()
if err != nil {