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From "Lars Hofhansl (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-6580) Deprecate HTablePool in favor of HConnection.getTable(...)
Date Wed, 07 Aug 2013 17:26:48 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6580?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13732183#comment-13732183
] 

Lars Hofhansl commented on HBASE-6580:
--------------------------------------

0.94 test results:

Tests run: 1377, Failures: 0, Errors: 0, Skipped: 13

Please have a closer look. I am planning to commit this to all branches soon.
(I'll also fix the javadoc warning before commit)
                
> Deprecate HTablePool in favor of HConnection.getTable(...)
> ----------------------------------------------------------
>
>                 Key: HBASE-6580
>                 URL: https://issues.apache.org/jira/browse/HBASE-6580
>             Project: HBase
>          Issue Type: Improvement
>    Affects Versions: 0.94.6, 0.95.0
>            Reporter: Lars Hofhansl
>            Assignee: Lars Hofhansl
>             Fix For: 0.98.0, 0.95.2, 0.94.12
>
>         Attachments: 6580-0.94.txt, 6580-trunk.txt, 6580-trunk-v2.txt, 6580-trunk-v3.txt,
6580-trunk-v4.txt, 6580-trunk-v5.txt, HBASE-6580_v1.patch, HBASE-6580_v2.patch
>
>
> Update:
> I now propose deprecating HTablePool and instead introduce a getTable method on HConnection
and allow HConnection to manage the ThreadPool.
> Initial proposal:
> Here I propose a very simple TablePool.
> It could be called LightHTablePool (or something - if you have a better name).
> Internally it would maintain an HConnection and an Executor service and each invocation
of getTable(...) would create a new HTable and close() would just close it.
> In testing I find this more light weight than HTablePool and easier to monitor in terms
of resources used.
> It would hardly be more than a few dozen lines of code.

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