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https://issues.apache.org/jira/browse/YARN-4464?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15517030#comment-15517030
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Daniel Templeton commented on YARN-4464:
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Changing the defaults is already incompatible, so this is only going into
trunk/3.0. Do we also need to worry about removing the constant in that case?
> 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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