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https://issues.apache.org/jira/browse/YARN-4464?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15515334#comment-15515334
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Naganarasimha G R commented on YARN-4464:
-----------------------------------------

Thanks [~templedf],
+1, Latest patch LGTM.

> default value of yarn.resourcemanager.state-store.max-completed-applications 
> should lower.
> ------------------------------------------------------------------------------------------
>
>                 Key: YARN-4464
>                 URL: https://issues.apache.org/jira/browse/YARN-4464
>             Project: Hadoop YARN
>          Issue Type: Wish
>          Components: resourcemanager
>            Reporter: KWON BYUNGCHANG
>            Assignee: Daniel Templeton
>            Priority: Blocker
>         Attachments: YARN-4464.001.patch, YARN-4464.002.patch, 
> YARN-4464.003.patch, YARN-4464.004.patch, YARN-4464.005.patch, 
> YARN-4464.006.patch
>
>
> my cluster has 120 nodes.
> I configured RM Restart feature.
> {code}
> yarn.resourcemanager.recovery.enabled=true
> yarn.resourcemanager.store.class=org.apache.hadoop.yarn.server.resourcemanager.recovery.FileSystemRMStateStore
> yarn.resourcemanager.fs.state-store.uri=/system/yarn/rmstore
> {code}
> unfortunately I did not configure 
> {{yarn.resourcemanager.state-store.max-completed-applications}}.
> so that property configured default value 10,000.
> I have restarted RM due to changing another configuartion.
> I expected that RM restart immediately.
> recovery process was very slow.  I have waited about 20min.  
> realize missing 
> {{yarn.resourcemanager.state-store.max-completed-applications}}.
> its default value is very huge.  
> need to change lower value or document notice on [RM Restart 
> page|http://hadoop.apache.org/docs/stable/hadoop-yarn/hadoop-yarn-site/ResourceManagerRestart.html].



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