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Posted to mapreduce-dev@hadoop.apache.org by "Arun C Murthy (Resolved) (JIRA)" <ji...@apache.org> on 2011/09/27 09:23:12 UTC
[jira] [Resolved] (MAPREDUCE-3096) Add a good way to control the
number of map/reduce tasks per node
[ https://issues.apache.org/jira/browse/MAPREDUCE-3096?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Arun C Murthy resolved MAPREDUCE-3096.
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Resolution: Won't Fix
> Add a good way to control the number of map/reduce tasks per node
> -----------------------------------------------------------------
>
> Key: MAPREDUCE-3096
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3096
> Project: Hadoop Map/Reduce
> Issue Type: Task
> Reporter: Arsen Zahray
> Fix For: 0.20.204.0
>
>
> Currently, controlling the number of map/reduce tasks is a hell.
> I've tried for it many times, and it doesn't work right. Also, I am not the only one person, who seems to have this problem.
> There must be a better way to do it.
> Here's my proposal:
> add following functions to Job:
> setNumberOfMappersPerNode(int);
> setNumberOfReducersPerNode(int);
> setMaxMemoryPerMapper(int);
> setMaxMemoryPerReducer(int);
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