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https://issues.apache.org/jira/browse/YARN-4953?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shilun Fan updated YARN-4953:
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Target Version/s: 3.5.0 (was: 3.4.0)
> Delete completed container log folder when rolling log aggregation is enabled
> -----------------------------------------------------------------------------
>
> Key: YARN-4953
> URL: https://issues.apache.org/jira/browse/YARN-4953
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager
> Reporter: Rohith Sharma K S
> Assignee: Rohith Sharma K S
> Priority: Major
>
> There would be potential bottle neck when cluster is running with very large
> number of containers on the same NodeManager for single application. The
> linux limits the subfolders count to 32K. If number of containers is greater
> than 32K for an application, there would be container launch failure. At this
> point of time, there are no more containers can be launched in this node.
> Currently log folders are deleted after app is finished. Rolling log
> aggregation aggregates logs to hdfs periodically.
> I think if aggregation is completed for finished containers, then clean up
> can be done i.e deleting log folder for finished containers.
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