[MAPREDUCE-3596] Sort benchmark got hang after completion of 99% map phase

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 0.23.0
• Fix Version/s: 0.23.1
• Component/s: applicationmaster, mrv2
• Target Version/s: 0.23.1
• Hadoop Flags: Reviewed
• Assignee: Vinod Kumar Vavilapalli
• Reporter: Ravi Prakash
• Created: 22/Dec/11 23:52
• Updated: 05/Mar/12 02:49
• Resolved: 13/Jan/12 21:18

Description

Courtesy vinaythota

Ran sort benchmark couple of times and every time the job got hang after completion 99% map phase. There are some map tasks failed. Also it's not scheduled some of the pending map tasks.
Cluster size is 350 nodes.

Build Details:
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Compiled: Fri Dec 9 16:25:27 PST 2011 by someone from branches/branch-0.23/hadoop-common-project/hadoop-common
ResourceManager version: revision 1212681 by someone source checksum on Fri Dec 9 16:52:07 PST 2011
Hadoop version: revision 1212592 by someone Fri Dec 9 16:25:27 PST 2011