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Owen O'Malley commented on HADOOP-313: -------------------------------------- One more comment, the usage is: bin/hadoop org.apache.hadoop.mapred.IsolationRunner <local-dir>/taskTracker/<taskid>/job.xml > A stand alone driver for individual tasks > ----------------------------------------- > > 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, stand-alone-task.patch > > This is a tool to reproduce problems and to run unit tests involving either a > map or 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 -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://issues.apache.org/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira
