Karthik Kambatla commented on MAPREDUCE-6740:

Committed this to trunk and branch-2. 

[~haibochen] - the patch does not apply to branch-2.8. Given MR-6242 got 
committed to 2.8, it would be nice to get this into 2.8 as well. Mind posting a 
patch for the same? 

> 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
>             Fix For: 3.0.0-alpha2
>         Attachments: mapreduce6740.001.patch, mapreduce6740.002.patch, 
> mapreduce6740.003.patch, mapreduce6740.004.patch, mapreduce6740.005.patch, 
> mapreduce6740.006.patch, mapreduce6740.007.patch, mapreduce6740.008.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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