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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6740) Enforce mapreduce.task.timeout to be at least mapreduce.task.progress-report.interval
Date Tue, 09 Aug 2016 20:37:20 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6740?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15414192#comment-15414192
] 

Karthik Kambatla commented on MAPREDUCE-6740:
---------------------------------------------

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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