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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1160) Two log statements at INFO level fill up jobtracker logs
Date Thu, 29 Oct 2009 17:41:59 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1160?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12771498#action_12771498
] 

Hudson commented on MAPREDUCE-1160:
-----------------------------------

Integrated in Hadoop-Mapreduce-trunk #127 (See [http://hudson.zones.apache.org/hudson/job/Hadoop-Mapreduce-trunk/127/])
    . Reduce verbosity of log lines in some Map/Reduce classes to avoid filling up jobtracker
logs on a busy cluster. Contributed by Ravi Gummadi and Hong Tang.


> Two log statements at INFO level fill up jobtracker logs
> --------------------------------------------------------
>
>                 Key: MAPREDUCE-1160
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1160
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: jobtracker
>            Reporter: Hemanth Yamijala
>            Assignee: Ravi Gummadi
>             Fix For: 0.22.0
>
>         Attachments: MAPREDUCE-1160-20.patch, MR-1160-2.patch, MR-1160.patch
>
>
> There are two log statements being logged at an INFO level that are unnecessarily filling
up JT logs. This is making it difficult to debug issues on large cluster systems.
> The two statements identified are the following:
> INFO org.apache.hadoop.mapred.JobInProgress: No reduces to schedule for <jobid>
> and
> INFO org.apache.hadoop.mapred.ResourceEstimator: completedMapsUpdates:22  completedMapsInputSize:656
 completedMapsOutputSize:6299

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