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From "Ray Chiang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6376) Fix long load times of .jhist file in JobHistoryServer
Date Fri, 19 Jun 2015 16:37:01 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6376?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14593604#comment-14593604
] 

Ray Chiang commented on MAPREDUCE-6376:
---------------------------------------

Thanks for the feedback.  It all sounds good to me.

IIRC, the else statements were something that helped me get around some unit test failures.
 I'll have to look into those.

> Fix long load times of .jhist file in JobHistoryServer
> ------------------------------------------------------
>
>                 Key: MAPREDUCE-6376
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6376
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>          Components: jobhistoryserver
>    Affects Versions: 2.7.0
>            Reporter: Ray Chiang
>            Assignee: Ray Chiang
>              Labels: supportability
>         Attachments: MAPREDUCE-6376.001.patch, MAPREDUCE-6376.002.patch, MAPREDUCE-6376.003.patch
>
>
> When you click on a Job link in the JHS Web UI, it loads the .jhist file.  For jobs which
have a large number of tasks, the load time can break UI responsiveness.



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