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https://issues.apache.org/jira/browse/MAPREDUCE-1100?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13156464#comment-13156464
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Arun C Murthy commented on MAPREDUCE-1100:
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Konstantin/Milind - I'd strongly urge you to consider this 0.22. Without this
patch, and with a simple cron job, debugging user jobs becomes very hard and
leads to lots of angst.
> User's task-logs filling up local disks on the TaskTrackers
> -----------------------------------------------------------
>
> Key: MAPREDUCE-1100
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1100
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: tasktracker
> Affects Versions: 0.20.1, 0.20.2, 0.21.0
> Reporter: Vinod Kumar Vavilapalli
> Assignee: Vinod Kumar Vavilapalli
> Fix For: 0.21.1, 0.22.0
>
> Attachments: MAPREDUCE-1100-20091102.txt,
> MAPREDUCE-1100-20091106.txt, MAPREDUCE-1100-20091216.2.txt,
> patch-1100-fix-ydist.2.txt, reducetask-log-level.patch
>
>
> Some user's jobs are filling up TT disks by outrageous logging.
> mapreduce.task.userlog.limit.kb is not enabled on the cluster. Disks are
> getting filled up before task-log cleanup via
> mapred.task.userlog.retain.hours can kick in.
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