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https://issues.apache.org/jira/browse/HADOOP-11779?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14388841#comment-14388841
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Karthik Kambatla commented on HADOOP-11779:
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Ravi - thanks for pointing that out. Nice to see it being reworked. Hope that
takes care of this too, but I guess we ll only know once we start using the new
version.
> Fix pre-commit builds to execute the right set of tests
> -------------------------------------------------------
>
> Key: HADOOP-11779
> URL: https://issues.apache.org/jira/browse/HADOOP-11779
> Project: Hadoop Common
> Issue Type: Bug
> Components: scripts
> Affects Versions: 2.7.0
> Reporter: Karthik Kambatla
> Priority: Critical
> Labels: infra, jenkins
>
> I have noticed that our pre-commit builds could end up running the "wrong"
> set of unit tests for patches. For instance, YARN-3412 changes only YARN
> files, but the test were run against one of the MR modules.
> I suspect there is a race condition when there are multiple builds executing
> on the same node, or remnants from a previous run are getting picked up.
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