[MAPREDUCE-3280] MR AM should not read the username from configuration

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.23.0
• Fix Version/s: 0.23.1
• Component/s: applicationmaster, mrv2
• Hadoop Flags: Reviewed
• Release Note: Removed the unnecessary job user-name configuration in mapred-site.xml.
• Assignee: Vinod Kumar Vavilapalli
• Reporter: Vinod Kumar Vavilapalli
• Created: 27/Oct/11 10:31
• Updated: 05/Mar/12 02:48
• Resolved: 10/Nov/11 17:31

Description

MR AM reads the value for mapreduce.job.user.name from the configuration in several places. It should instead get the app-submitter name from the RM.

Once that is done, we can remove the default value for mapreduce.job.user.name from mapred-default.xml