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https://issues.apache.org/jira/browse/YARN-11402?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17649756#comment-17649756
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ASF GitHub Bot commented on YARN-11402:
---------------------------------------

hadoop-yetus commented on PR #5247:
URL: https://github.com/apache/hadoop/pull/5247#issuecomment-1359348399

   :broken_heart: **-1 overall**
   
   
   
   
   
   
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[/branch-javadoc-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager-jdkUbuntu-11.0.17+8-post-Ubuntu-1ubuntu220.04.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-5247/1/artifact/out/branch-javadoc-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager-jdkUbuntu-11.0.17+8-post-Ubuntu-1ubuntu220.04.txt)
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[/patch-javadoc-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager-jdkUbuntu-11.0.17+8-post-Ubuntu-1ubuntu220.04.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-5247/1/artifact/out/patch-javadoc-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager-jdkUbuntu-11.0.17+8-post-Ubuntu-1ubuntu220.04.txt)
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   |  |   | 195m 44s |  |  |
   
   
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> Meaningless logs are frequently printed during ResourceManager startup and 
> recover container.
> ---------------------------------------------------------------------------------------------
>
>                 Key: YARN-11402
>                 URL: https://issues.apache.org/jira/browse/YARN-11402
>             Project: Hadoop YARN
>          Issue Type: Improvement
>            Reporter: Daniel Ma
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: screenshot-1.png, screenshot-2.png
>
>
> Tens of thousands of meaningless logs are frequently printed during 
> ResourceManager startup and recover container.
> As we know, ResourceManager will always keep 10k application information by 
> default. In our very big scale cluster, it is very usual that resourcemanager 
> try to recover the containers which already finished and does not exist in 
> ResourceManager but still reported by nodemanager.
> Under this case, below logs will be frequently printed,  more importantly, 
> this log is meaningless, in real production setups, the maintainers actually 
> more care about which containers are properly recovered or killed not the 
> ones are skipped.
> The related code are as follows,
>  !screenshot-1.png! 
> So we move the log into function killOrphanContainerOnNode().
>  !screenshot-2.png! 
> Only the containers to be killed need to be loged  which is vital for trouble 
> shooting to distinguish whether the containers are kill by hadoop inner 
> mechanism or by users themselves.



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