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Seal writecache async #1284

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fyrchik merged 1 commit from dstepanov-yadro/frostfs-node:feat/writecache_seal_async into master 2024-09-04 19:51:10 +00:00
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dstepanov-yadro commented 2024-07-31 13:35:27 +00:00
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This PR makes it possible to seal writecache async (in background).

This PR makes it possible to seal writecache async (in background).
dstepanov-yadro force-pushed feat/writecache_seal_async from 1fad15aa87 to c828df5e1f 2024-07-31 13:52:14 +00:00 Compare
dstepanov-yadro reviewed 2024-07-31 13:56:18 +00:00
pkg/local_object_storage/shard/control.go Outdated
@ -102,0 +133,4 @@
if !m.NoMetabase() {
s.rb.Start(ctx, s.blobStor, s.metaBase, s.log)
}
s.writecacheSealCancel.Store(dummyCancel)
dstepanov-yadro commented 2024-07-31 13:56:18 +00:00
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To allow writecache seal only after Init

To allow writecache seal only after `Init`
dstepanov-yadro force-pushed feat/writecache_seal_async from c828df5e1f to 44975773a7 2024-08-06 07:53:39 +00:00 Compare
dstepanov-yadro reviewed 2024-08-06 07:56:59 +00:00
pkg/local_object_storage/shard/control.go Outdated
@ -102,0 +133,4 @@
if !m.NoMetabase() {
s.rb.Start(ctx, s.blobStor, s.metaBase, s.log)
}
s.writecacheSealCancel.Store(dummyCancel)
dstepanov-yadro commented 2024-08-06 07:56:59 +00:00
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Functional change. Other diff is just code refactor (method extract).

Functional change. Other diff is just code refactor (method extract).
dstepanov-yadro changed title from WIP: Seal writecache async to Seal writecache async 2024-08-06 08:01:33 +00:00
dstepanov-yadro requested review from storage-core-committers 2024-08-06 08:01:39 +00:00
dstepanov-yadro requested review from storage-core-developers 2024-08-06 08:01:39 +00:00
aarifullin reviewed 2024-08-06 08:59:21 +00:00
pkg/local_object_storage/shard/writecache.go Outdated
@ -78,1 +98,3 @@
defer s.m.RUnlock()
if p.sync() {
defer func() {
aarifullin commented 2024-08-06 08:59:21 +00:00
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What do you think about this non-functional change:

cleanup := func() {
   s.m.RUnlock()
   s.writecacheSealCancel.Store(dummyCancel)
}

and use it in this line and below? :) Just make it little bit readable

What do you think about this non-functional change: ```go cleanup := func() { s.m.RUnlock() s.writecacheSealCancel.Store(dummyCancel) } ``` and use it in this line and below? :) Just make it little bit readable
dstepanov-yadro commented 2024-08-06 10:26:18 +00:00
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done

done
dstepanov-yadro force-pushed feat/writecache_seal_async from 44975773a7 to d824ee31be 2024-08-06 10:26:06 +00:00 Compare
fyrchik reviewed 2024-08-06 12:39:20 +00:00
pkg/local_object_storage/shard/control.go Outdated
@ -351,2 +359,4 @@
if s.hasWriteCache() {
prev := s.writecacheSealCancel.Swap(notInitializedCancel)
prev.cancel() // no need to wait: writecache.Seal and writecache.Close lock the same mutex
fyrchik commented 2024-08-06 08:47:39 +00:00
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Could you explain, how having the same mutex makes it ok not to wait?

Could you explain, how having the same mutex makes it ok not to wait?
dstepanov-yadro commented 2024-08-06 12:43:36 +00:00
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writecache.Close will wait for the writecache.Seal end.

`writecache.Close` will wait for the `writecache.Seal` end.
pkg/local_object_storage/shard/writecache.go Outdated
@ -79,0 +101,4 @@
s.writecacheSealCancel.Store(dummyCancel)
}
if p.sync() {
fyrchik commented 2024-08-06 12:39:16 +00:00
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To me it makes reading harder: here it is p.sync(), below p.Async, I needed to look at p.sync definition to see if they correspond to the same thing.

To me it makes reading harder: here it is `p.sync()`, below `p.Async`, I needed to look at `p.sync` definition to see if they correspond to the same thing.
dstepanov-yadro commented 2024-08-06 12:52:46 +00:00
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A controversial statement, but fixed.

A controversial statement, but fixed.
dstepanov-yadro force-pushed feat/writecache_seal_async from d824ee31be to 33823f984b 2024-08-06 12:50:53 +00:00 Compare
acid-ant approved these changes 2024-08-06 13:34:01 +00:00
fyrchik reviewed 2024-08-07 08:09:07 +00:00
pkg/local_object_storage/shard/writecache.go Outdated
@ -86,1 +116,4 @@
defer cleanup()
s.log.Info(logs.StartedWritecacheSealAsync)
if err := s.writeCache.Seal(context.WithoutCancel(ctx), p.IgnoreErrors); err != nil {
fyrchik commented 2024-08-07 08:09:05 +00:00
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Is seal uncancellable?

Is `seal` uncancellable?
dstepanov-yadro commented 2024-08-07 08:16:56 +00:00
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fixed

fixed
dstepanov-yadro force-pushed feat/writecache_seal_async from 33823f984b to bf8919333e 2024-08-07 08:16:45 +00:00 Compare
acid-ant approved these changes 2024-08-07 09:23:34 +00:00
fyrchik commented 2024-08-09 06:28:56 +00:00
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please, rebase

please, rebase
dstepanov-yadro force-pushed feat/writecache_seal_async from bf8919333e to 0dcc5e75e0 2024-08-09 07:50:25 +00:00 Compare
dstepanov-yadro commented 2024-08-09 07:50:35 +00:00
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please, rebase

done

> please, rebase done
acid-ant approved these changes 2024-08-09 08:31:23 +00:00
aarifullin approved these changes 2024-08-09 09:02:18 +00:00
fyrchik reviewed 2024-08-09 10:13:25 +00:00
pkg/local_object_storage/shard/writecache.go Outdated
@ -83,2 +110,4 @@
defer cleanup()
}
if s.info.Mode.ReadOnly() {
fyrchik commented 2024-08-09 10:12:58 +00:00
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If p.Async == true && s.info.Mode.ReadOnly() we will have non-dummy canceler in writecacheSealCancel and it won't be called on exit.
It this intentional?

If `p.Async == true && s.info.Mode.ReadOnly()` we will have non-dummy canceler in `writecacheSealCancel` and it won't be called on exit. It this intentional?
dstepanov-yadro commented 2024-08-09 10:24:09 +00:00
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Shame on me! Thx! Fixed.

Shame on me! Thx! Fixed.
dstepanov-yadro force-pushed feat/writecache_seal_async from 0dcc5e75e0 to 80ce7c3a00 2024-08-09 10:23:55 +00:00 Compare
fyrchik approved these changes 2024-08-09 10:42:19 +00:00
dstepanov-yadro requested review from aarifullin 2024-08-09 11:16:18 +00:00
dstepanov-yadro requested review from acid-ant 2024-08-09 11:16:22 +00:00
acid-ant approved these changes 2024-08-09 12:38:48 +00:00
fyrchik referenced this pull request from a commit 2024-08-09 12:46:28 +00:00
[#1284] shard: Resolve funlen linter
fyrchik merged commit 80ce7c3a00 into master 2024-08-09 12:46:29 +00:00
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Reference: TrueCloudLab/frostfs-node#1284
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