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https://issues.apache.org/jira/browse/YARN-10347?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17154034#comment-17154034
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Masatake Iwasaki commented on YARN-10347:
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Yes. The QA build failed on docker image creation installing python packages.
It seems not to be related to the patch.
{noformat}
Step 26/32 : RUN pip2 install configparser==4.0.2 pylint==1.9.2
...
The command '/bin/sh -c pip2 install configparser==4.0.2 pylint==1.9.2'
returned a non-zero code: 1
ERROR: Docker failed to build yetus/hadoop:d84386ccf7a.
{noformat}
> Fix double locking in CapacityScheduler#reinitialize in branch-3.1
> ------------------------------------------------------------------
>
> Key: YARN-10347
> URL: https://issues.apache.org/jira/browse/YARN-10347
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacity scheduler
> Affects Versions: 3.1.4
> Reporter: Masatake Iwasaki
> Assignee: Masatake Iwasaki
> Priority: Critical
> Attachments: YARN-10347-branch-3.1.001.patch
>
>
> Double locking blocks another threads in ResourceManager waiting for the lock.
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