TaskAttemptCompletionEvent not being sent for task attempts that were killed
after a sibling attempt succeeds
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Key: MAPREDUCE-3986
URL: https://issues.apache.org/jira/browse/MAPREDUCE-3986
Project: Hadoop Map/Reduce
Issue Type: Bug
Affects Versions: 0.23.0
Reporter: Bikas Saha
Assignee: Bikas Saha
Fix For: 0.23.2
When TaskImpl transitions to SUCCEEDED then it kills the other running task
attempts. In the SUCCEEDED state the TaskImpl state machine ignores
T_ATTEMPT_KILLED events from those killed attempts. Hence those completions
events are not reported to the job. Every other attempt completion event is
reported to the job.
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