[jira] [Commented] (TAJO-1391) RpcConnectionPool should check reference counter of connection before close

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

    [ https://issues.apache.org/jira/browse/TAJO-1391?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14356396#comment-14356396 ] 

ASF GitHub Bot commented on TAJO-1391:
--------------------------------------

GitHub user navis opened a pull request:

    https://github.com/apache/tajo/pull/412

    TAJO-1391 RpcConnectionPool should check reference counter of the connection before close

    

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

    $ git pull https://github.com/navis/tajo TAJO-1391

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

    https://github.com/apache/tajo/pull/412.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 #412
    
----
commit 6b0d2d52ac68d763b184707eaa3b2b5d1f8eb6b7
Author: navis.ryu <na...@apache.org>
Date:   2015-03-11T06:41:22Z

    TAJO-1391 RpcConnectionPool should check reference counter of the connection before close

----


> RpcConnectionPool should check reference counter of connection before close
> ---------------------------------------------------------------------------
>
>                 Key: TAJO-1391
>                 URL: https://issues.apache.org/jira/browse/TAJO-1391
>             Project: Tajo
>          Issue Type: Improvement
>          Components: rpc
>            Reporter: Navis
>            Assignee: Navis
>
> Connections in the pool is shared one and should be closed only when it's not referenced by other threads. Furthermore, current pool implementation locks whole connections for connecting/closing a connection, making bad interferences on other operations (on sane connection).



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