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 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. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira