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https://issues.apache.org/jira/browse/YARN-4881?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15212908#comment-15212908
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Sunil G commented on YARN-4881:
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Yes. Thanks for clarifying.
> RM continuously switch if HDFS is too busy when NodeLabel is configured
> -----------------------------------------------------------------------
>
> Key: YARN-4881
> URL: https://issues.apache.org/jira/browse/YARN-4881
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Reporter: Rohith Sharma K S
> Priority: Critical
>
> It is observed in the production cluster that RM fail to become active and
> keep continuously switching if the HDFS is too busy and node label is
> configured. This is causing RM down time as very high.
> Exception from RM logs
> {noformat}
> Caused by: org.apache.hadoop.service.ServiceStateException:
> org.apache.hadoop.ipc.RemoteException(java.io.IOException): File
> /user/mapred/node-labels/nodelabel.mirror.writing could only be replicated to
> 0 nodes instead of minReplication (=1). There are 7 datanode(s) running and
> no node(s) are excluded in this operation.
> {noformat}
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