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From "Matej Knopp (JIRA)" <j...@apache.org>
Subject [jira] Commented: (JCR-1456) Database connection pooling
Date Wed, 23 Jul 2008 14:37:32 GMT

    [ https://issues.apache.org/jira/browse/JCR-1456?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12616064#action_12616064
] 

Matej Knopp commented on JCR-1456:
----------------------------------

Hi,

Thanks a lot for the comment. You're right, there might be a problem with different connections
obtained. This could be handled by attaching active connection to current thread, so that
the nested calls would always obtain the active connection. Anyway, I will look into it and
post a new patch.

I agree that this is a substantial change and will require lot of testing. But i think at
some point it will be necessary to bite the bullet and implement connection pooling, whether
it will be based on my patch or not. The current situation is rather problematic, keeping
opened connection per workspace doesn't scale well at all.

> Database connection pooling
> ---------------------------
>
>                 Key: JCR-1456
>                 URL: https://issues.apache.org/jira/browse/JCR-1456
>             Project: Jackrabbit
>          Issue Type: Improvement
>          Components: jackrabbit-core
>            Reporter: Jukka Zitting
>             Fix For: 1.5
>
>         Attachments: patch-1456-1.txt
>
>
> Jackrabbit should use database connection pools instead of a single connection per persistence
manager, cluster journal, or database data store.

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