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From "Vinod K V (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-1018) Document changes to the memory management and scheduling model
Date Mon, 14 Jun 2010 05:25:14 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-1018?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vinod K V updated MAPREDUCE-1018:
---------------------------------

          Status: Resolved  (was: Patch Available)
    Hadoop Flags: [Reviewed]
    Release Note: Updated documentation related to (1) the changes in the configuration for
memory management of tasks and (2) the modifications in scheduling model of CapacityTaskScheduler
to include memory requirement by tasks.
      Resolution: Fixed

I just committed this branch 0.21 and trunk. Thanks Hemanth!

Thanks also to Rahul Singh for earlier versions of the patch.

> 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
>            Assignee: Hemanth Yamijala
>            Priority: Blocker
>             Fix For: 0.21.0
>
>         Attachments: MAPRED-1018-1.patch, MAPRED-1018-2.patch, MAPRED-1018-3.patch, MAPRED-1018-4.patch.txt,
MAPRED-1018-5.patch.txt, MAPRED-1018-6.patch.txt, MAPRED-1018-7.patch.txt, MAPRED-1018-8.patch.txt,
MAPRED-1018-9.patch.txt, MAPRED-1018-commons.patch
>
>
> 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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