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https://issues.apache.org/jira/browse/MAPREDUCE-2415?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13022619#comment-13022619
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Bharath Mundlapudi commented on MAPREDUCE-2415:
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Owen,
I have run ant test-patch. Most of the things seems fine - no javac warnings or
findbugs errors.
But found two minor javadoc warnings. I am attaching a patch which fixes these
warnings.
You will see the following in the diff b/w these two (v2 and v3) patches:
< + * @param TaskAttemptID ID of the task
---
> + * @param taskID ID of the task
< + * @return
---
> + * @return target task attempt log directory
> 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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