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From "Gary Helmling (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-6580) New HTable pool, based on HBase(byte[], HConnection, ExecutorService) constructor
Date Tue, 20 Nov 2012 18:06:59 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6580?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13501343#comment-13501343
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Gary Helmling commented on HBASE-6580:
--------------------------------------

bq. Maybe HConnection should just finally get a getTable(...) method.

+1.  Using HConnection to get an HTable seems more intuitive and more composable than our
old monolithic HTable.  Lightweight HTables that are easily GC'd would also be very nice.
 Agree that at that point we don't really need HTablePool.
                
> New HTable pool, based on HBase(byte[], HConnection, ExecutorService) constructor
> ---------------------------------------------------------------------------------
>
>                 Key: HBASE-6580
>                 URL: https://issues.apache.org/jira/browse/HBASE-6580
>             Project: HBase
>          Issue Type: Improvement
>    Affects Versions: 0.92.2, 0.94.2
>            Reporter: Lars Hofhansl
>            Priority: Minor
>         Attachments: HBASE-6580_v1.patch
>
>
> 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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