[MAPREDUCE-5396] Application is "FAILED" when multiple appmaster attempts are spawned

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 2.0.5-alpha
• Component/s: mr-am
• Assignee: Devaraj Kavali
• Reporter: Nishan Shetty
• Created: 15/Jul/13 04:22
• Updated: 16/Jul/13 14:05

Description

1.Run job with 142 maps
2.After some map tasks executed kill NM where appmaster running(Using kill -9 cmd)
3.Now obeserve that till NM expiry interval that appmaster will be running after NM expiry interval that appmaster will be killed and new appmaster will be launched

Observations:
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1.First appmaster while going down deletes the staging dir of job
2.While new appmaster is running it will kill all the tasks running in it and fails the application saying files in staging dir not present

Issue Links

• is duplicated by: YARN-929 2 MRAppMaster running parallely for same Job Id