[jira] Commented: (MAPREDUCE-1018) Document changes to the memory management and scheduling model

["Vinod K V (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1018?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12759030#action_12759030 ] 

Vinod K V commented on MAPREDUCE-1018:
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Along with everything else, we should document that job setup and job cleanup tasks of all jobs, either requiring or not requiring high memory for their maps and reduces, still run on a single slot.

> Document changes to the memory management and scheduling model
> --------------------------------------------------------------
>
>                 Key: MAPREDUCE-1018
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1018
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: documentation
>    Affects Versions: 0.21.0
>            Reporter: Hemanth Yamijala
>            Priority: Blocker
>             Fix For: 0.21.0
>
>
> There were changes done for the configuration, monitoring and scheduling of high ram jobs. This must be documented in the mapred-defaults.xml and also on forrest documentation

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