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https://issues.apache.org/jira/browse/HDFS-7890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14386162#comment-14386162
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J.Andreina commented on HDFS-7890:
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Thanks Vinayakumar for reviewing the patch.
I agree with you. Will update the patch soon.
> Improve information on Top users for metrics in RollingWindowsManager .
> -----------------------------------------------------------------------
>
> Key: HDFS-7890
> URL: https://issues.apache.org/jira/browse/HDFS-7890
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: J.Andreina
> Assignee: J.Andreina
> Attachments: HDFS-7890.1.patch
>
>
> Information on Top users for metrics in RollingWindowsManager should be
> improved and can be moved to DEBUG.
> Currently it is INFO logs at namenode side and does not provide much
> information.
> {noformat}
> 15/03/04 13:21:02 INFO window.RollingWindowManager: topN size for command
> finalizeRollingUpgrade is: 1
> 15/03/04 13:21:02 INFO window.RollingWindowManager: topN size for command
> startRollingUpgrade is: 0
> 15/03/04 13:21:02 INFO window.RollingWindowManager: topN size for command *
> is: 1
> 15/03/04 13:21:02 INFO window.RollingWindowManager: topN size for command
> finalizeRollingUpgrade is: 1
> 15/03/04 13:21:02 INFO window.RollingWindowManager: topN size for command
> startRollingUpgrade is: 1
> 15/03/04 13:21:02 INFO window.RollingWindowManager: topN size for command *
> is: 1
> 15/03/04 13:21:02 INFO window.RollingWindowManager: topN size for command
> finalizeRollingUpgrade is: 1
> 15/03/04 13:21:02 INFO window.RollingWindowManager: topN size for command
> startRollingUpgrade is: 0
> 15/03/04 13:21:02 INFO window.RollingWindowManager: topN size for command *
> is: 1
> {noformat}
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