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From Raghu Angadi <rang...@apache.org>
Subject purpose of JobTracker copying job.jar
Date Tue, 26 Apr 2011 18:57:47 GMT
Job tracker copies job jar from mapred system directory on HDFS to its local
file system ( ${mapred.local.dir}/jobTracker ).

What is the purpose of copying this file? It does not run any user code.


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