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Posted to dev@openjpa.apache.org by "Michael Dick (JIRA)" <ji...@apache.org> on 2007/02/20 21:53:06 UTC

[jira] Created: (OPENJPA-156) Cache class object used to create plugin values

Cache class object used to create plugin values
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                 Key: OPENJPA-156
                 URL: https://issues.apache.org/jira/browse/OPENJPA-156
             Project: OpenJPA
          Issue Type: Sub-task
            Reporter: Michael Dick




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[jira] Resolved: (OPENJPA-156) Cache class object used to create plugin values

Posted by "Patrick Linskey (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/OPENJPA-156?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Patrick Linskey resolved OPENJPA-156.
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    Resolution: Fixed

> Cache class object used to create plugin values
> -----------------------------------------------
>
>                 Key: OPENJPA-156
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-156
>             Project: OpenJPA
>          Issue Type: Sub-task
>            Reporter: Michael Dick
>         Attachments: openjpa-156.patch.txt
>
>


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[jira] Updated: (OPENJPA-156) Cache class object used to create plugin values

Posted by "Michael Dick (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/OPENJPA-156?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Dick updated OPENJPA-156:
---------------------------------

    Attachment: openjpa-156.patch.txt

Another performance issue we've run into is the call to Strings.toClass(clsName, findDerivedLoader(conf, loader)) in Configurations.newInstance().

To work around the problem we tried caching the Class created for a given ClassLoader. It's a relatively simple cache, but it yielded noticeable performance improvements. The attached patch is relative to openjpa-lib, I can attach one that is relative to trunk if that will help.  

> Cache class object used to create plugin values
> -----------------------------------------------
>
>                 Key: OPENJPA-156
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-156
>             Project: OpenJPA
>          Issue Type: Sub-task
>            Reporter: Michael Dick
>         Attachments: openjpa-156.patch.txt
>
>


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