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https://issues.apache.org/jira/browse/JCR-2715?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12965259#action_12965259
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Serge Huber commented on JCR-2715:
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Ok thanks.
It is plausible that the number of results if affecting performance because
from previous traces I saw that some constraints seemed to be evaluated on the
results. But I didn't get around to testing the latest code yet. Would it be
possible for your to capture some snapshots with Yourkit or an equivalent ?
Best regards,
Serge Huber
> Improved join query performance
> -------------------------------
>
> Key: JCR-2715
> URL: https://issues.apache.org/jira/browse/JCR-2715
> Project: Jackrabbit Content Repository
> Issue Type: Improvement
> Components: jackrabbit-core, query
> Reporter: Jukka Zitting
> Assignee: Jukka Zitting
> Fix For: 2.2.0
>
> Attachments: SQL2SearchTest.png, ThreeWayJoinTest.png,
> TwoWayJoinTest.png
>
>
> Our current implementation of SQL2 join queries does not perform very well on
> pretty much any non-trivial data set.
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