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From "Michael Dick (JIRA)" <>
Subject [jira] Updated: (OPENJPA-156) Cache class object used to create plugin values
Date Tue, 20 Feb 2007 21:01:19 GMT


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

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

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