Distribute TaskTracker userlogs onto multiple disks
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Key: MAPREDUCE-2415
URL: https://issues.apache.org/jira/browse/MAPREDUCE-2415
Project: Hadoop Map/Reduce
Issue Type: Improvement
Components: task-controller, tasktracker
Affects Versions: 0.20.204.0
Reporter: Bharath Mundlapudi
Assignee: Bharath Mundlapudi
Fix For: 0.20.204.0
Currently, userlogs directory in TaskTracker is placed under hadoop.log.dir
like <hadoop.log.dir>/userlogs. I am proposing to spread these userlogs onto
multiple configured mapred.local.dirs to strengthen TaskTracker reliability
w.r.t disk failures.
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