[ https://issues.apache.org/jira/browse/JCR-3386?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13462539#comment-13462539 ] 

Claus Köll commented on JCR-3386:
---------------------------------

since we see accosional problems in 2.4 i backported it in revision 1389745.
                
> Adjust some default values of the BasicDataSource in the ConnectionFactory
> --------------------------------------------------------------------------
>
>                 Key: JCR-3386
>                 URL: https://issues.apache.org/jira/browse/JCR-3386
>             Project: Jackrabbit Content Repository
>          Issue Type: Improvement
>          Components: jackrabbit-core
>    Affects Versions: 2.4.2
>            Reporter: Claus Köll
>            Assignee: Claus Köll
>             Fix For: 2.4.4, 2.5.1
>
>         Attachments: JCR-3386.patch
>
>
> TimeBetweenEvictionRuns is at moment 1 second. We have seen on heavy load that this slows down the system and shows some strange exceptions.
> The validationQueryTimeout should also be set because otherwise its possible that it blocks the validation process. 
> On heavy load increasing maxIdle could also be bring some performance boost.

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