[ https://issues.apache.org/jira/browse/MAPREDUCE-7222?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
yanglongfei resolved MAPREDUCE-7222. ------------------------------------ Resolution: Fixed > Map tasks' outputs can not be recovered when ApplicationMaster relaunched > -------------------------------------------------------------------------- > > Key: MAPREDUCE-7222 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-7222 > Project: Hadoop Map/Reduce > Issue Type: Bug > Components: mrv2 > Affects Versions: 2.7.3 > Reporter: yanglongfei > Priority: Blocker > > When AM crashes, Yarn would launch a new AM instance and recover all its > scheduled tasks. However mapper tasks's committed output files are not > recovered when the number of reducers > 0. In my application which output > files from mapper and make use of reducer to collect statistics not able to > fully recover from the AM crash, and resulting in data from the previous > completed mapper tasks get lost in the final output dir. -- This message was sent by Atlassian Jira (v8.3.2#803003) --------------------------------------------------------------------- To unsubscribe, e-mail: mapreduce-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: mapreduce-issues-h...@hadoop.apache.org