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https://issues.apache.org/jira/browse/MAPREDUCE-5106?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Harsh J resolved MAPREDUCE-5106.
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    Resolution: Not A Problem

Looking at branch-1's implementation (JobInProgress), this is not a current 
problem. Resolving as Not a Problem. The config is taken from the 
JobTracker.getConf() call so the two cannot be mixed as reported.

What version were you using?
                
> mapreduce.jobtracker.split.metainfo.maxsize can be set at job level 
> --------------------------------------------------------------------
>
>                 Key: MAPREDUCE-5106
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5106
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 0.20.2
>            Reporter: Abhishek Gayakwad
>            Priority: Minor
>
> mapreduce.jobtracker.split.metainfo.maxsize gives an impression that this 
> property can be set at JT level only and will require JT restart in case of 
> any modification. But actually this can be set at individual job level.
> So either this property should be named properly or should be restricted to 
> JT level only.

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