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Eric Payne commented on MAPREDUCE-5044: --------------------------------------- Thanks [~aw]. I will look into those warnings. > Have AM trigger jstack on task attempts that timeout before killing them > ------------------------------------------------------------------------ > > Key: MAPREDUCE-5044 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-5044 > Project: Hadoop Map/Reduce > Issue Type: Improvement > Components: mr-am > Affects Versions: 2.1.0-beta > Reporter: Jason Lowe > Assignee: Eric Payne > Attachments: MAPREDUCE-5044.008.patch, MAPREDUCE-5044.009.patch, > MAPREDUCE-5044.010.patch, MAPREDUCE-5044.011.patch, MAPREDUCE-5044.012.patch, > MAPREDUCE-5044.v01.patch, MAPREDUCE-5044.v02.patch, MAPREDUCE-5044.v03.patch, > MAPREDUCE-5044.v04.patch, MAPREDUCE-5044.v05.patch, MAPREDUCE-5044.v06.patch, > MAPREDUCE-5044.v07.local.patch, Screen Shot 2013-11-12 at 1.05.32 PM.png, > Screen Shot 2013-11-12 at 1.06.04 PM.png > > > When an AM expires a task attempt it would be nice if it triggered a jstack > output via SIGQUIT before killing the task attempt. This would be invaluable > for helping users debug their hung tasks, especially if they do not have > shell access to the nodes. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: mapreduce-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: mapreduce-issues-h...@hadoop.apache.org