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https://issues.apache.org/jira/browse/YARN-7381?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16272084#comment-16272084
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Ray Chiang commented on YARN-7381:
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Also, it's my understanding that there will be overhead of 2 files per
container to HDFS unless everyone is running the tool from MAPREDUCE-6415. So,
processing ~1M mappers per day will add ~2M files to HDFS per day. Leaving
this on could be an issue for large/really busy clusters.
> Enable the configuration: yarn.nodemanager.log-container-debug-info.enabled
> ---------------------------------------------------------------------------
>
> Key: YARN-7381
> URL: https://issues.apache.org/jira/browse/YARN-7381
> Project: Hadoop YARN
> Issue Type: Bug
> Affects Versions: 2.9.0, 3.0.0, 3.1.0
> Reporter: Xuan Gong
> Assignee: Xuan Gong
> Priority: Critical
> Attachments: YARN-7381.1.patch
>
>
> Enable the configuration "yarn.nodemanager.log-container-debug-info.enabled",
> so we can aggregate launch_container.sh and directory.info
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