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https://issues.apache.org/jira/browse/MAPREDUCE-6723?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15345497#comment-15345497
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Haibo Chen commented on MAPREDUCE-6723:
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The downside of turning on Debug level by default is the increased size of the
log file size output.
> Turn log level to Debug in test
> -------------------------------
>
> Key: MAPREDUCE-6723
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6723
> Project: Hadoop Map/Reduce
> Issue Type: Test
> Reporter: Haibo Chen
> Assignee: Haibo Chen
>
> The current log level in test enviroment for all mapreduce projects is info.
> Often in case where we are investigating intermittent test failures, DEBUG
> level messages in log file can be very useful to identify problems.
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