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From "Todd Lipcon (Resolved) (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (MAPREDUCE-3394) Add log guard for a debug message in ReduceTask
Date Tue, 15 Nov 2011 00:42:52 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-3394?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Todd Lipcon resolved MAPREDUCE-3394.
------------------------------------

       Resolution: Fixed
    Fix Version/s: 0.20.206.0
     Hadoop Flags: Reviewed

Committed to branch-20-security for 0.20.206. Thanks Eli.
                
> Add log guard for a debug message in ReduceTask
> -----------------------------------------------
>
>                 Key: MAPREDUCE-3394
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3394
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: task
>    Affects Versions: 0.20.205.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>            Priority: Trivial
>             Fix For: 0.20.206.0
>
>         Attachments: mr-3394.txt
>
>
> There's a LOG.debug message in ReduceTask that stringifies a task ID and uses a non-negligible
amount of CPU in some cases. We should guard it with {{isDebugEnabled}}

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