[ https://issues.apache.org/jira/browse/MAPREDUCE-4749?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Vinod Kumar Vavilapalli resolved MAPREDUCE-4749. ------------------------------------------------ Resolution: Fixed Fix Version/s: 1.1.1 Hadoop Flags: Reviewed I just committed this to branch-1 and branch-1.1. Thanks Arpit! > Killing multiple attempts of a task taker longer as more attempts are killed > ---------------------------------------------------------------------------- > > Key: MAPREDUCE-4749 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-4749 > Project: Hadoop Map/Reduce > Issue Type: Bug > Affects Versions: 1.1.0 > Reporter: Arpit Gupta > Assignee: Arpit Gupta > Fix For: 1.1.1 > > Attachments: MAPREDUCE-4749.branch-1.patch, > MAPREDUCE-4749.branch-1.patch, MAPREDUCE-4749.branch-1.patch, > MAPREDUCE-4749.branch-1.patch, MAPREDUCE-4749.branch-1.patch, > MAPREDUCE-4749.branch-1.patch > > > The following was noticed on a mr job running on hadoop 1.1.0 > 1. Start an mr job with 1 mapper > 2. Wait for a min > 3. Kill the first attempt of the mapper and then subsequently kill the other > 3 attempts in order to fail the job > The time taken to kill the task grew exponentially. > 1st attempt was killed immediately. > 2nd attempt took a little over a min > 3rd attempt took approx. 20 mins > 4th attempt took around 3 hrs. > The command used to kill the attempt was "hadoop job -fail-task" > Note that the command returned immediately as soon as the fail attempt was > accepted but the time the attempt was actually killed was as stated above. -- 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