Varene Olivier created MAPREDUCE-4866:
-----------------------------------------
Summary: ShuffleRamManager is limited to 2Gb of memory - we should
increase that
Key: MAPREDUCE-4866
URL: https://issues.apache.org/jira/browse/MAPREDUCE-4866
Project: Hadoop Map/Reduce
Issue Type: Improvement
Components: mrv1
Affects Versions: 0.20.2
Environment: linux, 64bits cpu, more than 2Gb of memory for each
reducer tasks
Reporter: Varene Olivier
Priority: Minor
Inside the org.apache.hadoop.mapred.ReduceTask.java, the *ShuffleRamManager* is
limited to allocate up to 2Gb of memory during the shuffle phase.
We should be able to allocate more, to take advantage of the full memory we
have on servers.
--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
For more information on JIRA, see: http://www.atlassian.com/software/jira
