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Posted to oak-issues@jackrabbit.apache.org by "Alex Parvulescu (JIRA)" <ji...@apache.org> on 2015/05/18 11:56:01 UTC

[jira] [Updated] (OAK-2875) Namespaces keep references to old node states

     [ https://issues.apache.org/jira/browse/OAK-2875?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alex Parvulescu updated OAK-2875:
---------------------------------
    Attachment: OAK-2875-v1.patch

WIP proposed patch, a much simpler version than what I had initially planned, to provide a preview for how this would look like.

The idea is to have the namespaces bits react to the session refresh call and re-read the Tree thus releasing the old instances so GC can cleanup them up.

here are a some aspects to be considered:
 - performance
 - GC
 - cleanly hooking up a refresh observer that will allow the namespaces class to react
 - JCR tck compliance

> Namespaces keep references to old node states
> ---------------------------------------------
>
>                 Key: OAK-2875
>                 URL: https://issues.apache.org/jira/browse/OAK-2875
>             Project: Jackrabbit Oak
>          Issue Type: Sub-task
>          Components: core, jcr
>            Reporter: Alex Parvulescu
>             Fix For: 1.3.0
>
>         Attachments: OAK-2875-v1.patch
>
>
> As described on the parent issue OA2849, the session namespaces keep a reference to a Tree instance which will make GC inefficient.



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