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From "Jean-Daniel Cryans (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-9330) Refactor PE to create HTable the correct way
Date Fri, 23 Aug 2013 23:25:52 GMT

     [ https://issues.apache.org/jira/browse/HBASE-9330?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jean-Daniel Cryans updated HBASE-9330:
--------------------------------------

    Attachment: HBASE-9330.patch

Here's a patch that fixes it. On my cluster I go from about 4k threads to only 600. I don't
like the patch so much though.
                
> Refactor PE to create HTable the correct way
> --------------------------------------------
>
>                 Key: HBASE-9330
>                 URL: https://issues.apache.org/jira/browse/HBASE-9330
>             Project: HBase
>          Issue Type: Improvement
>    Affects Versions: 0.95.2
>            Reporter: Jean-Daniel Cryans
>             Fix For: 0.98.0, 0.96.0
>
>         Attachments: HBASE-9330.patch
>
>
> Multithreaded clients that directly create HTables are out of style and will be crushed
under thousands of threads. Our own PerformanceEvaluation is now suffering from this too,
so it needs to keep an HConnection around in order to create tables.

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