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https://issues.apache.org/jira/browse/MAPREDUCE-1317?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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rahul k singh updated MAPREDUCE-1317:
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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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