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Posted to mapreduce-issues@hadoop.apache.org by "Bhallamudi Venkata Siva Kamesh (Updated) (JIRA)" <ji...@apache.org> on 2011/11/08 12:24:51 UTC
[jira] [Updated] (MAPREDUCE-3115) OOM When the value for the
property "mapred.map.multithreadedrunner.class" is set to
MultithreadedMapper instance.
[ https://issues.apache.org/jira/browse/MAPREDUCE-3115?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Bhallamudi Venkata Siva Kamesh updated MAPREDUCE-3115:
------------------------------------------------------
Component/s: mrv1
Affects Version/s: 0.23.0
0.20.205.1
> 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
>
> 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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