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https://issues.apache.org/jira/browse/OPENJPA-342?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Richard Zowalla resolved OPENJPA-342.
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Resolution: Won't Fix
Closing as obsolete during backlog cleanup: A 2007 performance report based on
Kodo JDO 4.1.4, with no concrete defect or fix requested. Please reopen if this
still happens with OpenJPA 4.x.
> Performance of flush()
> ----------------------
>
> Key: OPENJPA-342
> URL: https://issues.apache.org/jira/browse/OPENJPA-342
> Project: OpenJPA
> Issue Type: Bug
> Environment: Windows XP, jdk1.6.0_02, Kodo 4.1.4, Ms sql server 2005,
> jTDS 1.2 database driver
> Reporter: Christiaan
> Priority: Major
> Attachments: TestCaseFlushPerformance.ZIP
>
>
> Based on the discussion in thread
> http://www.nabble.com/Performance%3A-single-vs-multiple-transactions-tf4272115.html
> I've created a testcase, which is attached. It includes a "Performance
> results flush.txt" which gives an overview of the the performance results. In
> general, using flush() within one transaction with many changes the
> performance drops quite significantly (x 15).
> Btw, not sure which OpenJPA version this is. It is based on Kodo jdo version
> 4.1.4
> regards,
> Christiaan
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