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Multiple Queue improvements: LevelDB Wait on empty, shutdown empty shadow level queue, reduce goroutines etc (#15693)

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* move shutdownfns, terminatefns and hammerfns out of separate goroutines

Coalesce the shutdownfns etc into a list of functions that get run at shutdown
rather then have them run at goroutines blocked on selects.

This may help reduce the background select/poll load in certain
configurations.

* The LevelDB queues can actually wait on empty instead of polling

Slight refactor to cause leveldb queues to wait on empty instead of polling.

* Shutdown the shadow level queue once it is empty

* Remove bytefifo additional goroutine for readToChan as it can just be run in run

* Remove additional removeWorkers goroutine for workers

* Simplify the AtShutdown and AtTerminate functions and add Channel Flusher

* Add shutdown flusher to CUQ

* move persistable channel shutdown stuff to Shutdown Fn

* Ensure that UPCQ has the correct config

* handle shutdown during the flushing

* reduce risk of race between zeroBoost and addWorkers

* prevent double shutdown

Signed-off-by: Andrew Thornton <art27@cantab.net>
This commit is contained in:
zeripath 2021-05-15 15:22:26 +01:00 • committed by GitHub
parent 9f19c2b8cc
commit ba526ceffe
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GPG key ID: 4AEE18F83AFDEB23
24 changed files with 598 additions and 412 deletions
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5
modules/queue/queue_channel_test.go
View file

@ -5,7 +5,6 @@
package queue
import (
"context"
"testing"
"time"
@ -21,7 +20,7 @@ func TestChannelQueue(t *testing.T) {
}
}
nilFn := func(_ context.Context, _ func()) {}
nilFn := func(_ func()) {}
queue, err := NewChannelQueue(handle,
ChannelQueueConfiguration{
@ -61,7 +60,7 @@ func TestChannelQueue_Batch(t *testing.T) {
}
}
nilFn := func(_ context.Context, _ func()) {}
nilFn := func(_ func()) {}
queue, err := NewChannelQueue(handle,
ChannelQueueConfiguration{