[jira] [Commented] (TAJO-1695) Shuffle fetcher executor should be consider random writing

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TAJO-1695?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14634867#comment-14634867 ] 

ASF GitHub Bot commented on TAJO-1695:
--------------------------------------

GitHub user jinossy opened a pull request:

    https://github.com/apache/tajo/pull/639

    TAJO-1695: Shuffle fetcher executor should be consider random writing

    

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/jinossy/tajo TAJO-1695

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/tajo/pull/639.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #639
    
----
commit 5b2e144cc2cea540d17440a9ab62a1a06e0dac57
Author: Jinho Kim <jh...@apache.org>
Date:   2015-07-21T09:47:55Z

    TAJO-1695: Shuffle fetcher executor should be consider random writing

----


> Shuffle fetcher executor should be consider random writing
> ----------------------------------------------------------
>
>                 Key: TAJO-1695
>                 URL: https://issues.apache.org/jira/browse/TAJO-1695
>             Project: Tajo
>          Issue Type: Improvement
>          Components: Data Shuffle, Worker
>    Affects Versions: 0.11.0
>            Reporter: Jinho Kim
>            Assignee: Jinho Kim
>             Fix For: 0.11.0
>
>
> Currently, shuffle fetcher executes simultaneously in same thread pool and It happens a lot of random writing.
> We should change to dedicated thread pool per taskContainer



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