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https://issues.apache.org/jira/browse/CASSANDRA-21468?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18089639#comment-18089639
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Dmitry Konstantinov edited comment on CASSANDRA-21468 at 6/17/26 11:27 AM:
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TimeoutAbortTest is reproducing consistently, with my change and passes without
it. It looks like my patch reveals some existing issues in reading logic.
Previously the same thread execution was happening only if there is some
concurrent workload, now it happens even for individual requests if there is a
worker capacity (expected behaviour).
was (Author: dnk):
TimeoutAbortTest is reproducing consistently, with my change and passes without
it. It looks like my patch reveals some existing issues in reading logic.
Previously the same thread execution was happening only if there is some
concurrent workload, not it happens even for individual requests if there is a
worker capacity (expected behaviour).
> Test failure:
> org.apache.cassandra.distributed.test.TimeoutAbortTest.timeoutTest
> ---------------------------------------------------------------------------------
>
> Key: CASSANDRA-21468
> URL: https://issues.apache.org/jira/browse/CASSANDRA-21468
> Project: Apache Cassandra
> Issue Type: Bug
> Components: CI
> Reporter: Sam Tunnicliffe
> Assignee: Dmitry Konstantinov
> Priority: Normal
> Attachments: image-2026-06-17-11-51-32-807.png,
> image-2026-06-17-11-56-27-080.png
>
>
> Observed in 6.0 & trunk runs since: [46|
> https://ci-cassandra.apache.org/job/Cassandra-6.0/46/testReport/junit/org.apache.cassandra.distributed.test/TimeoutAbortTest/],
>
> [2508|https://ci-cassandra.apache.org/job/Cassandra-trunk/2508/testReport/org.apache.cassandra.distributed.test/TimeoutAbortTest]
> {{git bisect}} claims the regression was introduced by
> {code}
> commit 88aa5b6807dbd97446d34864e87a34493880358b (HEAD)
> Author: Dmitry Konstantinov <[email protected]>
> Date: Sat Jun 6 18:56:14 2026 +0100
> SEPExecutor.maybeExecuteImmediately does not always execute tasks
> immediately despite available worker capacity
> Additional improvement: use a wait-free logic to return a task or work
> permit
> patch by Dmitry Konstantinov; reviewed by Benedict Elliott Smith for
> CASSANDRA-21429
> {code}
> cc [~dnk]
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