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https://issues.apache.org/jira/browse/MAPREDUCE-3115?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bhallamudi Venkata Siva Kamesh updated MAPREDUCE-3115:
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Status: Patch Available (was: Open)
> OOM When the value for the property "mapred.map.multithreadedrunner.class" is
> set to MultithreadedMapper instance.
> ------------------------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-3115
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3115
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv1
> Affects Versions: 0.20.205.1, 0.23.0
> Environment: NA
> Reporter: Bhallamudi Venkata Siva Kamesh
> Attachments: MAPREDUCE-3115.patch
>
>
> When we set the value for the property *mapred.map.multithreadedrunner.class*
> as instance of MultithreadedMapper, using
> MultithreadedMapper.setMapperClass(), it simply throws
> IllegalArgumentException.
> But when we set the same property, using job's conf object using
> job.getConfiguration().setClass(*mapred.map.multithreadedrunner.class*,
> MultithreadedMapper.class, Mapper.class), throws OOM.
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