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From "Runping Qi (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-2015) Job tracker should report the number of splits that are local to some task trackers
Date Tue, 09 Oct 2007 16:48:51 GMT
Job tracker should report the number of splits that are local to some task trackers
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                 Key: HADOOP-2015
                 URL: https://issues.apache.org/jira/browse/HADOOP-2015
             Project: Hadoop
          Issue Type: Improvement
          Components: mapred
            Reporter: Runping Qi



Right now, jon tracker keeps track the number of launched mappers with local data.
However, it is not clear how many mappers that are potentially be launched with data locality.
This information is readily available in Job Tracker. It is just a matter to create a separate
global  counter 
and set it at the Job Tracker initialization time.



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