[ http://issues.apache.org/jira/browse/HADOOP-313?page=all ]
Michel Tourn reassigned HADOOP-313:
-----------------------------------
Assign To: Michel Tourn
> running a reduce task standalone
> --------------------------------
>
> Key: HADOOP-313
> URL: http://issues.apache.org/jira/browse/HADOOP-313
> Project: Hadoop
> Type: Bug
> Reporter: Michel Tourn
> Assignee: Michel Tourn
> Attachments: sareduce.patch
>
> This is a tool to reproduce problems and to run unit tests involving a reduce
> task.
> You just give it a reduce directory on the command line.
> Usage: java org.apache.hadoop.mapred.StandaloneReduceTask <taskdir>
> [<limitmaps>]
> taskdir name encodes: task_<jobid>_r_<partition>_<attempt>
> taskdir contains job.xml and one or more input files named: map_<dddd>.out
> You should run with the same -Xmx option as the TaskTracker child JVM
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