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From "arkady borkovsky (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-577) Job tracker should collect detailed information about tasks and return it to the client
Date Thu, 05 Oct 2006 16:47:19 GMT
Job tracker should collect detailed information about tasks and return it to the client
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                 Key: HADOOP-577
                 URL: http://issues.apache.org/jira/browse/HADOOP-577
             Project: Hadoop
          Issue Type: Bug
          Components: mapred
         Environment: all
            Reporter: arkady borkovsky


Mapreduce driver should get detailed information about task execution -- at least at the end
of the job so that it can be repoted to the user (stored in a "normal" or HDFS file, printed
to the stdout, whatever).
This information should include, at least:
-- task execution start and end
-- the number of record read and written
-- the number of butes read and written
for each task  (for each attempt)

It would also be nice to have this infromation while the job is running, updated at least
when a task is started or ended.
However, this is just "nice to have", while the final report is quite essential.


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