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From "Rick Curtis (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (OPENJPA-1723) Improve the scalability of PreparedQueryCacheImpl
Date Tue, 13 Jul 2010 18:44:50 GMT

     [ https://issues.apache.org/jira/browse/OPENJPA-1723?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rick Curtis resolved OPENJPA-1723.
----------------------------------

    Fix Version/s: 2.1.0
       Resolution: Fixed

Committed rev 963498 to trunk.

> Improve the scalability of PreparedQueryCacheImpl
> -------------------------------------------------
>
>                 Key: OPENJPA-1723
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-1723
>             Project: OpenJPA
>          Issue Type: Improvement
>    Affects Versions: 2.0.0, 2.1.0
>            Reporter: Rick Curtis
>            Assignee: Rick Curtis
>             Fix For: 2.1.0
>
>
> On a large multicore machine (24+cores) there is a large amount of contention in the
PreparedQueryCacheImpl lock. 
> In this JIRA I'm going to utilize the j.u.c.ReentrantReadWriteLock to improve read/write
throughput.

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