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From "gary murry (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1160) Two log statements at INFO level fill up jobtracker logs
Date Tue, 03 Nov 2009 20:51:32 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1160?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12773187#action_12773187

gary murry commented on MAPREDUCE-1160:

I agree that this does not need unit testing, because we are just changing the log level of
the items, but we do need to test have tests for log entries when we can.  We rely on logging
to help debug issues in the wild and need to have assurance that they are working correctly.

> 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

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