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Posted to mapreduce-dev@hadoop.apache.org by "Ray Chiang (JIRA)" <ji...@apache.org> on 2015/06/10 23:44:00 UTC

[jira] [Created] (MAPREDUCE-6394) Avoid copying counters in task reports for Job History Server

Ray Chiang created MAPREDUCE-6394:
-------------------------------------

             Summary: Avoid copying counters in task reports for Job History Server
                 Key: MAPREDUCE-6394
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6394
             Project: Hadoop Map/Reduce
          Issue Type: Improvement
          Components: jobhistoryserver
    Affects Versions: 2.7.0
            Reporter: Ray Chiang
            Assignee: Ray Chiang


In HsTasksBlock#render(), there is a loop to create a Javascript table which slows down immensely.



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