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From "Serge Huber (JIRA)" <j...@apache.org>
Subject [jira] Commented: (JCR-2715) Improved join query performance
Date Tue, 30 Nov 2010 15:16:13 GMT

    [ https://issues.apache.org/jira/browse/JCR-2715?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12965256#action_12965256
] 

Serge Huber commented on JCR-2715:
----------------------------------

Hello Clement,

Thank you for the feedback. Could you provide more information about your tests ? Maybe there
is something that can be put into a unit test so that performance analysis is easier to reproduce
? Or at the minimum the CND ? 

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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