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Ahmed Radwan resolved MAPREDUCE-2787. ------------------------------------- Resolution: Won't Fix Thanks Arun and Vinod for the clarification. I am closing the ticket. > MR-279: Performance improvement in running Uber MapTasks > -------------------------------------------------------- > > Key: MAPREDUCE-2787 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-2787 > Project: Hadoop Map/Reduce > Issue Type: Improvement > Components: mrv2 > Reporter: Ahmed Radwan > Assignee: Ahmed Radwan > Attachments: MAPREDUCE-2787.patch > > > The runUberMapTasks() in org.apache.hadoop.mapred.UberTask obtains the local > fileSystem and local job configuration for every task attempt. This will > have a negative performance impact. -- This message is automatically generated by JIRA. For more information on JIRA, see: http://www.atlassian.com/software/jira