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https://issues.apache.org/jira/browse/JCR-2770?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12918535#action_12918535
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Marcel Reutegger commented on JCR-2770:
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>  three-argument constructor

ah, right. thanks, that explains it.

> Initial size of ConcurrentCache depends on number of segments (available 
> processors)
> ------------------------------------------------------------------------------------
>
>                 Key: JCR-2770
>                 URL: https://issues.apache.org/jira/browse/JCR-2770
>             Project: Jackrabbit Content Repository
>          Issue Type: Improvement
>          Components: jackrabbit-core
>            Reporter: Marcel Reutegger
>            Priority: Minor
>             Fix For: 2.2.0
>
>         Attachments: JCR-2770.patch
>
>
> This causes a build failure on my machine. Tests run into an OOME because the 
> initial memory footprint of a ConcurrentCache on my machine is 8k. Many of 
> the tests keep references to some kind of repository objects (node, session, 
> x-manager), which means ConcurrentCache instances  cannot be garbage 
> collected immediately after a test run.
> I think the overall initial size of the cache should be independent of the 
> number of segments. See proposed patch.

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