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https://issues.apache.org/jira/browse/YARN-6531?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15984406#comment-15984406
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Naganarasimha G R commented on YARN-6531:
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[~bibinchundatt], Agree a bad app in a public cluster kind of setup would be
riskier. But the catch is, limit is in a pluggable state store so we need to
ensure a cleaner way to do the check before we send a event to the state store.
> Check appStateData size before saving to Zookeeper
> --------------------------------------------------
>
> Key: YARN-6531
> URL: https://issues.apache.org/jira/browse/YARN-6531
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Bibin A Chundatt
> Assignee: Bibin A Chundatt
> Priority: Critical
>
> Application with large size Application submission context could cause store
> to Zookeeper failure due to znode size limit. Zookeeper znode limit exception
> thrown {{org.apache.zookeeper.KeeperException$ConnectionLossException}}.
> ZkStateStore will retry for configured times and will throw
> ConnectionLossException after configured limit.
> Which could cause Resource manager to switch from active To StandBy and other
> application submitted not getting save to ZK.
> Solution {{ApplicationStateData}} size to be validated before saving and
> reject application so that ResourceManager is not impacted.
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