Running tasks on lost trackers are incorrectly logging the attempt and task
failures
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Key: HADOOP-5282
URL: https://issues.apache.org/jira/browse/HADOOP-5282
Project: Hadoop Core
Issue Type: Bug
Components: mapred
Reporter: Amar Kamat
Priority: Blocker
Fix For: 0.21.0
If a running attempt is lost on a tracker, a attempt-level cleanup with the
same attempt-id is launched for it. In such cases the events are not logged
correctly and instead of logging
{code}
Task Reduce Start
Attempt Reduce Start
Attempt Reduce Killed
Task reduce Killed
{code}
it logs
{code}
Task Reduce Start
Task Reduce Failed
Attempt Reduce Start
Attempt Reduce Killed
{code}
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