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Owen O'Malley updated MAPREDUCE-2846: ------------------------------------- Release Note: Fixed a race condition in writing the log index file that caused tasks to 'fail'. (was: Fixed a race condition in writing the log index file that caused tasks to fail.) > a small % of all tasks fail with DefaultTaskController > ------------------------------------------------------ > > Key: MAPREDUCE-2846 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-2846 > Project: Hadoop Map/Reduce > Issue Type: Bug > Components: task, task-controller, tasktracker > Affects Versions: 0.20.204.0 > Reporter: Allen Wittenauer > Assignee: Owen O'Malley > Priority: Blocker > Attachments: sync-trunk.patch, sync.patch > > > After upgrading our test 0.20.203 grid to 0.20.204-rc2, we ran terasort to > verify operation. While the job completed successfully, approx 10% of the > tasks failed with task runner execution errors and the inability to create > symlinks for attempt logs. -- This message is automatically generated by JIRA. For more information on JIRA, see: http://www.atlassian.com/software/jira