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Posted to mapreduce-issues@hadoop.apache.org by "Owen O'Malley (JIRA)" <ji...@apache.org> on 2011/04/23 01:14:11 UTC
[jira] [Resolved] (MAPREDUCE-2415) Distribute TaskTracker userlogs
onto multiple disks
[ https://issues.apache.org/jira/browse/MAPREDUCE-2415?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Owen O'Malley resolved MAPREDUCE-2415.
--------------------------------------
Resolution: Fixed
Hadoop Flags: [Reviewed]
I just committed this to 204. Thanks, Bharath!
> Distribute TaskTracker userlogs onto multiple disks
> ---------------------------------------------------
>
> 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
>
> Attachments: MAPREDUCE-2415-1.patch, MAPREDUCE-2415-2.patch, MAPREDUCE-2415-3.patch, TaskTracker Userlogs Design.pdf
>
>
> 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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