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Date: Tue, 30 Nov 2010 05:22:13 -0500 (EST)
From: "Serge Huber (JIRA)" <jira@apache.org>
To: dev@jackrabbit.apache.org
Subject: [jira] Commented: (JCR-2715) Improved join query performance
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    [ https://issues.apache.org/jira/browse/JCR-2715?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12965187#action_12965187 ] 

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

Great improvements, thanks a lot. Did you also test simple (non join) SQL-2 performance as you also improved this part ? I wanted to run these tests but as I am traveling I probably won't be able to do so until next week.

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: 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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