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https://issues.apache.org/jira/browse/MAPREDUCE-4308?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Suresh Srinivas updated MAPREDUCE-4308:
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Fix Version/s: (was: 1.1.0)
> Remove excessive split log messages
> -----------------------------------
>
> Key: MAPREDUCE-4308
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4308
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: jobtracker
> Affects Versions: 1.0.3
> Reporter: Kihwal Lee
> Attachments: mapreduce-4308-branch-1.patch
>
>
> Job tracker currently prints out information on every split.
> {noformat}
> 2012-05-20 00:06:01,985 INFO org.apache.hadoop.mapred.JobInProgress:
> tip:task_201205100740_1745_m_000000 has split on node:/192.168.0.1
> /my.totally.madeup.host.com
> {noformat}
> I looked at one cluster and these messages were taking up more than 30% of
> the JT log. If jobs have large number of maps, it can be worse. I think it is
> reasonable to lower the log level of the statement from INFO to DEBUG.
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