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https://issues.apache.org/jira/browse/HDFS-7890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14386158#comment-14386158
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Vinayakumar B commented on HDFS-7890:
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Hi [~andreina],
I think the message better message could be like "topN *users* size for command
{} is: {}".
IMO it will be in sync with the javadoc description
{code} /**
* Calculates the top N users over a time interval.
* {code}
> 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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