[ https://issues.apache.org/jira/browse/MAPREDUCE-2702?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Arun C Murthy updated MAPREDUCE-2702: ------------------------------------- Release Note: Enhance OutputCommitter and FileOutputCommitter to allow for recover of tasks across job restart. Editorial pass over 0.23 content. > [MR-279] OutputCommitter changes for MR Application Master recovery > ------------------------------------------------------------------- > > Key: MAPREDUCE-2702 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-2702 > Project: Hadoop Map/Reduce > Issue Type: Sub-task > Components: applicationmaster, mrv2 > Affects Versions: 0.23.0 > Reporter: Sharad Agarwal > Assignee: Sharad Agarwal > Priority: Blocker > Fix For: 0.23.0 > > Attachments: MAPREDUCE-2702.patch, MAPREDUCE-2702.patch, > MAPREDUCE-2702.patch, mr2702_v1.patch, mr2702_v2.patch, mr2702_v3.patch, > mr2702_v4.patch > > > In MR AM recovers from a crash, it only reruns the non completed tasks. The > completed tasks (along with their output, if any) needs to be recovered from > the previous life. This would require some changes in OutputCommitter. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira