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https://issues.apache.org/jira/browse/MAPREDUCE-6740?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15414192#comment-15414192
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Karthik Kambatla commented on MAPREDUCE-6740:
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The value of taskTimeout should be *larger* than the progress-report-interval.
I wonder if it is okay to enforce at least twice the progress-interval.
> Enforce mapreduce.task.timeout to be at least
> mapreduce.task.progress-report.interval
> -------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-6740
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6740
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mr-am
> Affects Versions: 2.8.0
> Reporter: Haibo Chen
> Assignee: Haibo Chen
> Priority: Minor
> Attachments: mapreduce6740.001.patch, mapreduce6740.002.patch
>
>
> Mapreduce-6242 makes task status update interval configurable to ease the
> pressure on MR AM to process status updates, but it did not ensure that
> mapreduce.task.timeout is no smaller than the configured value of task report
> interval.
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