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https://issues.apache.org/jira/browse/YARN-8984?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16677649#comment-16677649
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Yang Wang commented on YARN-8984:
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It could be a critical bug when resync, all the outstandingSchedRequests of
empty allocation tags will be sent again. In a big cluster, when the active RM
swiched, the RM will receive lots of requests.
[~cheersyang] Could you please take a look?
> OutstandingSchedRequests in AMRMClient could not be removed when
> AllocationTags is null or empty
> ------------------------------------------------------------------------------------------------
>
> Key: YARN-8984
> URL: https://issues.apache.org/jira/browse/YARN-8984
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Yang Wang
> Assignee: Yang Wang
> Priority: Critical
> Attachments: YARN-8984-001.patch
>
>
> In AMRMClient, outstandingSchedRequests should be removed or decreased when
> container allocated. However, it could not work when allocation tag is null
> or empty.
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