[ http://issues.apache.org/jira/browse/HADOOP-381?page=all ]
Doug Cutting resolved HADOOP-381.
---------------------------------
Resolution: Fixed
I just committed this. Thanks, Owen!
> keeping files for tasks that match regex on task id
> ---------------------------------------------------
>
> Key: HADOOP-381
> URL: http://issues.apache.org/jira/browse/HADOOP-381
> Project: Hadoop
> Issue Type: New Feature
> Components: mapred
> Affects Versions: 0.4.0
> Reporter: Owen O'Malley
> Assigned To: Owen O'Malley
> Fix For: 0.5.0
>
> Attachments: keep-task-file-pattern.patch
>
>
> For debugging map/reduce jobs, if a single task is producing bad results, but
> *not* failing, it is hard to debug the problem. This patch lets you set a
> pattern for task ids that will keep their files from being deleted when the
> task and job complete. This allows the developer to run the task in the
> IsolationRunner under the debugger.
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