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https://issues.apache.org/jira/browse/YARN-5841?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Haibo Chen resolved YARN-5841.
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Resolution: Not A Problem
> Report only local collectors on node upon resync with RM after RM fails over
> ----------------------------------------------------------------------------
>
> Key: YARN-5841
> URL: https://issues.apache.org/jira/browse/YARN-5841
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: timelineserver
> Reporter: Varun Saxena
> Assignee: Haibo Chen
>
> As per discussion on YARN-3359, we can potentially optimize reporting of
> collectors to RM after RM fails over.
> Currently NM would report all the collectors known to itself in HB after
> resync with RM. This would mean many NMs' may pretty much report similar set
> of collector infos in first NM HB on reconnection.
> This JIRA is to explore how to optimize this flow and if possible, fix it.
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