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From "rahul k singh (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-1317) Reducing memory consumption of rumen objects
Date Fri, 07 May 2010 06:15:51 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-1317?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

rahul k singh updated MAPREDUCE-1317:
-------------------------------------

    Attachment: 3623945-yahoo-20-1xx.patch

Adding the patch for 20.1xx branch. This resolves the NPE incase of setHostName.

> Reducing memory consumption of rumen objects
> --------------------------------------------
>
>                 Key: MAPREDUCE-1317
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1317
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>    Affects Versions: 0.21.0, 0.22.0
>            Reporter: Hong Tang
>            Assignee: Hong Tang
>             Fix For: 0.21.0
>
>         Attachments: 3623945-yahoo-20-1xx.patch, mapreduce-1317-20091218.patch, mapreduce-1317-20091222-2.patch,
mapreduce-1317-20091222.patch, mapreduce-1317-20091223.patch, mapreduce-1317-yhadoo-20.1xx.patch
>
>
> We have encountered OutOfMemoryErrors in mumak and gridmix when dealing with very large
jobs. The purpose of this jira is to optimze memory consumption of rumen produced job objects.

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