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https://issues.apache.org/jira/browse/YARN-11851?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18083900#comment-18083900
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ASF GitHub Bot commented on YARN-11851:
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adoroszlai commented on PR #8389:
URL: https://github.com/apache/hadoop/pull/8389#issuecomment-4556319842
Thanks @deepujain for the patch, but I am not familiar with YARN/MapReduce
at all. Please try to find other reviewers.
> Races in thread-unsafe hashmap
> ------------------------------
>
> Key: YARN-11851
> URL: https://issues.apache.org/jira/browse/YARN-11851
> Project: Hadoop YARN
> Issue Type: Bug
> Affects Versions: 3.4.1
> Reporter: John Doe
> Priority: Major
> Labels: pull-request-available
>
> Thread-unsafe collection containersByApp can be accessed while being accessed
> in the iteration in getAllContainers, and causes
> ConcurrentModificationException.
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