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https://issues.apache.org/jira/browse/CASSANDRA-16681?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17534228#comment-17534228
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Piotr Kolaczkowski commented on CASSANDRA-16681:
------------------------------------------------
I submitted a patch for 4.0+ version.
Now looking into 3.11 branch, but it turns out it is different and it actually
doesn't have some of the issues I fixed.
For instance, 3.11 doesn't seem to have the biggest thread-safety issue in the
MicroQueueOfChunks caused by Chunk#recycler reference, because it doesn't have
the recycler field at all (and no tinyPool either).
It also doesn't seem to have the memory in use bug addressed by my first patch.
However, it does seem to rely on the same assumptions in the
LongBufferPoolTest, so the test is probably flaky there as well.
Do you think it is worth backporting the relevant fixes to 3.11?
> org.apache.cassandra.utils.memory.LongBufferPoolTest - tests are flaky
> ----------------------------------------------------------------------
>
> Key: CASSANDRA-16681
> URL: https://issues.apache.org/jira/browse/CASSANDRA-16681
> Project: Cassandra
> Issue Type: Bug
> Components: CI
> Reporter: Ekaterina Dimitrova
> Assignee: Piotr Kolaczkowski
> Priority: Normal
> Fix For: 3.11.x, 4.0.x, 4.x
>
> Attachments: 0001-Fix-memoryInUse-counter-in-BufferPool.patch,
> 0002-Multiple-fixes-in-BufferPool-and-LongBufferPoolTest.patch
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Jenkins history:
> [https://jenkins-cm4.apache.org/job/Cassandra-4.0/50/testReport/junit/org.apache.cassandra.utils.memory/LongBufferPoolTest/testPoolAllocateWithRecyclePartially/history/]
> Fails being run in a loop in CircleCI:
> https://app.circleci.com/pipelines/github/ekaterinadimitrova2/cassandra/844/workflows/945011f4-00ac-4678-89f6-5c0db0a40169/jobs/5008
>
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