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https://issues.apache.org/jira/browse/YARN-10053?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17002545#comment-17002545
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Wilfred Spiegelenburg commented on YARN-10053:
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The junit test failures are not related to my change. The tests pass locally.
One failures is caused by a port bind exception, they seem environment related
or are already known (YARN-9740, YARN-9338).
in 3.1 and 3.2 branches
Uploading new patches to fix checkstyle issues
> Placement rules do not use correct group service init
> -----------------------------------------------------
>
> Key: YARN-10053
> URL: https://issues.apache.org/jira/browse/YARN-10053
> Project: Hadoop YARN
> Issue Type: Bug
> Components: yarn
> Affects Versions: 3.1.3
> Reporter: Wilfred Spiegelenburg
> Assignee: Wilfred Spiegelenburg
> Priority: Major
> Attachments: YARN-10053-branch-3.1.001.patch,
> YARN-10053-branch-3.1.002.patch, YARN-10053-branch-3.1.003.patch,
> YARN-10053-branch-3.2.001.patch, YARN-10053.001.patch, YARN-10053.002.patch
>
>
> The placement rules, CS and FS, all create a new group service instead of
> using the shared group mapping service. This means that the cache for the
> placement rules is not same as for the ACL and other parts of the RM service.
> It also could cause an issue with the configuration that is passed in to
> create the cache: the scheduler config might not have the same values as the
> service config and could thus cause issues. This second issue just seems to
> affect the CS not the FS.
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