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From "Rohith Sharma K S (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6531) Check appStateData size before saving to Zookeeper
Date Wed, 26 Apr 2017 14:13:04 GMT

    [ https://issues.apache.org/jira/browse/YARN-6531?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15984878#comment-15984878
] 

Rohith Sharma K S commented on YARN-6531:
-----------------------------------------

I would suggest further discussions can be done in YARN-5006. There were discussions done
in that JIRA, those can be continued. 

> 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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