[ https://issues.apache.org/jira/browse/MAPREDUCE-5044?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Gera Shegalov updated MAPREDUCE-5044: ------------------------------------- Attachment: Screen Shot 2013-11-12 at 1.06.04 PM.png Screen Shot 2013-11-12 at 1.05.32 PM.png Test with $ bin/yarn jar share/hadoop/mapreduce/hadoop-mapreduce-client-jobclient-*-tests.jar sleep -Dmapreduce.task.timeout=$((30*1000)) -m 1 -mt $((2*60*1000)) -r 0 -recordt $((2*60*1000)) > 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 > Attachments: MAPREDUCE-5044.v01.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 (v6.1#6144)