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Robert Joseph Evans resolved MAPREDUCE-4480. -------------------------------------------- Resolution: Not A Problem This appears to no longer be a problem. Several JIRA have modified the MapRetoractiveKillTransition to the point that now the only time that this can happen is if a successful reduce task attempt is killed after it has succeeded, which should never happen, because the reduce succeeded. > T_ATTEMPT_KILLED after SUCCEEDED can happen for reduces too > ------------------------------------------------------------ > > Key: MAPREDUCE-4480 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-4480 > Project: Hadoop Map/Reduce > Issue Type: Bug > Affects Versions: 3.0.0, 2.0.2-alpha > Reporter: Robert Joseph Evans > Priority: Critical > > This does not seem to impact 0.23. If speculative execution is enabled then > a T_ATTEMPT_KILLED event can come in after the task has transitioned to > SUCCEEDED. This causes the MapRetroactiveKilledTransition to kill the Job, > because it expects to only handle map tasks. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira