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Posted to mapreduce-issues@hadoop.apache.org by "Eli Collins (Commented) (JIRA)" <ji...@apache.org> on 2011/11/12 00:42:53 UTC
[jira] [Commented] (MAPREDUCE-3394) Add log guard for a debug
message in ReduceTask
[ https://issues.apache.org/jira/browse/MAPREDUCE-3394?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13148847#comment-13148847 ]
Eli Collins commented on MAPREDUCE-3394:
----------------------------------------
+1
> 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
> 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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