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https://issues.apache.org/jira/browse/YARN-4773?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Lowe updated YARN-4773:
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Fix Version/s: 2.6.5
2.7.3
Apologies for the long delay.
+1 for the branch-2.6 patch. Thanks, Jun! I committed it to branch-2.7 and
branch-2.6.
> Log aggregation performs extraneous filesystem operations when rolling log
> aggregation is disabled
> --------------------------------------------------------------------------------------------------
>
> Key: YARN-4773
> URL: https://issues.apache.org/jira/browse/YARN-4773
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager
> Affects Versions: 2.6.0
> Reporter: Jason Lowe
> Assignee: Jun Gong
> Priority: Minor
> Fix For: 2.8.0, 2.7.3, 2.6.5
>
> Attachments: YARN-4773-branch-2.6.patch, YARN-4773.01.patch,
> YARN-4773.02.patch, YARN-4773.03.patch
>
>
> I noticed when log aggregation occurs for an application the nodemanager is
> listing the application's log directory in HDFS. Apparently this is for
> removing old logs before uploading new ones. This is a wasteful operation
> when rolling log aggregation is disabled, since there will be no prior logs
> in HDFS -- aggregation only occurs once when rolling log aggregation is
> disabled.
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