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https://issues.apache.org/jira/browse/CASSANDRA-21388?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18082070#comment-18082070
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Dmitry Konstantinov commented on CASSANDRA-21388:
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with 4 splits we can reduce the tests execution to 18m:
!image-2026-05-19-15-38-54-942.png|width=400!
> Reduce microbenchmark smoke tests execution
> -------------------------------------------
>
> Key: CASSANDRA-21388
> URL: https://issues.apache.org/jira/browse/CASSANDRA-21388
> Project: Apache Cassandra
> Issue Type: Task
> Components: Test/burn
> Reporter: Dmitry Konstantinov
> Assignee: Dmitry Konstantinov
> Priority: Normal
> Attachments: image-2026-05-18-19-37-42-349.png,
> image-2026-05-19-15-38-54-942.png
>
>
> Currently, when pre-commit profile is executed, microbenchmarks (smoke test
> mode) takes too much time and delay overall job completion.
> Example: [https://pre-ci.cassandra.apache.org/job/cassandra/547/]
> !image-2026-05-18-19-37-42-349.png|width=700!
> We can:
> * set explicitly duration for an iteration to 1 sec
> * reduce number of option combinations in tests (all the details are not so
> needed for a regression testing to see if the benchmarks are still alive)
> * fix the tests which do not release resources properly and JMH waits for a
> timeout to kill forked JVM
> * support splits
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