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https://issues.apache.org/jira/browse/CASSANDRA-18017?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17735983#comment-17735983
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Berenguer Blasi commented on CASSANDRA-18017:
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IIUC testclasslist depends on maybe-build-test -> build-test -> checkstyle.
This seems correct to me where when testing sthg checkstykle is ran as part of
that being build. testclasslist is ran sometimes locally to run tests _exactly_
as CI to repro some condition, so when changing the code you want it to
recompile it and not having to remember to do so. Artifacts, jar or any other
of those targets won't help here.
Also with CASSANDRA-18588 impact is 0 now. So iiuc all is good imo.
> Jenkins: Consider using the no-build-test flag
> ----------------------------------------------
>
> Key: CASSANDRA-18017
> URL: https://issues.apache.org/jira/browse/CASSANDRA-18017
> Project: Cassandra
> Issue Type: Task
> Components: CI
> Reporter: Andres de la Peña
> Assignee: Maxim Muzafarov
> Priority: Normal
> Time Spent: 10m
> Remaining Estimate: 0h
>
> CASSANDRA-16625 and CASSANDRA-18000 added a {{-Dno-build-test=true}} flag to
> skip the dependencies of the Ant test targets. This is useful to speed up the
> test targets if the {{build-test}} target has already been previously run,
> for example as part of {{{}ant jar{}}}.
> That was created thinking mainly on CircleCI's multiplexer, where we run the
> same test target repeatedly. Skipping the already run depended on targets can
> significantly speed up the tests. The flag however is also useful for all
> other test jobs because every parallel runner can skip the test building
> step, and we have hundreds of parallel runners. Saving around 30s on every
> runner adds up considerable savings.
> Maybe this flag can also be used for skipping test builds on Jenkins too, so
> each parallel test split can benefit from a slight boost. That could be done
> if either {{build-test}} or {{jar}} have already been run before calling the
> test target. I'm not familiarized with Jenkins config so I'm not sure whether
> it makes sense.
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