[jira] [Commented] (HBASE-6580) New HTable pool, based on HBase(byte[], HConnection, ExecutorService) constructor

["Lars Hofhansl (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-6580?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13499961#comment-13499961 ] 

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

That would work. Ideally I'd like to get HTablePool out of the mix. It's heavy weight and not needed (and in fact just adds overhead) if the both the connection and thread pool are shared between HTables.
                
> 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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