Using BuddySystem to reduce the ReduceTask's mem usage in the step of shuffle -----------------------------------------------------------------------------
Key: MAPREDUCE-1690 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1690 Project: Hadoop Map/Reduce Issue Type: Improvement Reporter: luoli -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: https://issues.apache.org/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira