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Posted to hdfs-issues@hadoop.apache.org by "Tsuyoshi Ozawa (JIRA)" <ji...@apache.org> on 2015/05/08 10:56:00 UTC

[jira] [Commented] (HDFS-8116) RollingWindowManager#getTopUserForMetric should check if LOG.isDebugEnabled() before LOG.debug()

    [ https://issues.apache.org/jira/browse/HDFS-8116?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14534141#comment-14534141 ] 

Tsuyoshi Ozawa commented on HDFS-8116:
--------------------------------------

I think we should performance test before and after this fix as [~andrew.wang] mentioned.

> RollingWindowManager#getTopUserForMetric should check if LOG.isDebugEnabled() before LOG.debug() 
> -------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-8116
>                 URL: https://issues.apache.org/jira/browse/HDFS-8116
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: namenode
>    Affects Versions: 2.7.0
>            Reporter: Xiaoyu Yao
>            Assignee: Brahma Reddy Battula
>            Priority: Trivial
>              Labels: BB2015-05-TBR
>         Attachments: HDFS-8116.patch
>
>
> RollingWindowManager#getTopUserForMetric should check if LOG.isDebugEnabled() before LOG.debug() 



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