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From "Ray Chiang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-6394) Speed up Task processing loop in HsTasksBlock#render()
Date Thu, 16 Jul 2015 18:48:06 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-6394?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ray Chiang updated MAPREDUCE-6394:
----------------------------------
    Attachment: MAPREDUCE-6394.006.patch

- Fix some checkstyle issues
- Once counters is converted, free up rawCounters

> Speed up Task processing loop in HsTasksBlock#render()
> ------------------------------------------------------
>
>                 Key: MAPREDUCE-6394
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6394
>             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-6394.001.patch, MAPREDUCE-6394.002.patch, MAPREDUCE-6394.003.patch,
MAPREDUCE-6394.004.patch, MAPREDUCE-6394.005.patch, MAPREDUCE-6394.006.patch
>
>
> In HsTasksBlock#render(), there is a loop to create a Javascript table which slows down
immensely on jobs with a large number of tasks (200k or more).



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