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https://issues.apache.org/jira/browse/OPENJPA-1469?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12802340#action_12802340
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Kevin Sutter commented on OPENJPA-1469:
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Currently, the QueryCache is turned "on" by default if the DataCache is turned
"on". But, we're finding some performance issues with the default QueryCache
(reference OPENJPA-1471). Depending on how quickly we can turn around
openjpa-1471, this JIRA may enable DataCache and disable QueryCache. I'm
running the JUnit bucket right now with this configuration to see if this
combination introduces any functional changes.
> Turn on DataCache by default
> ----------------------------
>
> Key: OPENJPA-1469
> URL: https://issues.apache.org/jira/browse/OPENJPA-1469
> Project: OpenJPA
> Issue Type: Improvement
> Components: datacache
> Affects Versions: 2.0.0-M1, 2.0.0-M2, 2.0.0-M3, 2.0.0-M4
> Reporter: Kevin Sutter
> Fix For: 2.0.0
>
>
> I'm proposing that we change the default behavior for the DataCache.
> Currently, the DataCache is turned off by default. Our competition is
> turning on their L2 cache by default. Thus, out-of-the-box comparisons are
> killing us. We have to explain the difference, get them to change the
> configuration one way or the other for apples-to-apples comparisons, and then
> re-run the benchmark. By that time, it's too late. We already lost.
> Due to the upcoming 2.0.0 release, it seems like a good time to change this
> default. Please comment directly to this JIRA.
> Thanks,
> Kevin
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