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https://issues.apache.org/jira/browse/JCR-3369?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13425573#comment-13425573
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Thomas Mueller commented on JCR-3369:
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Merged into the 2.4 branch in revision 1367435
> Garbage collector improvements
> ------------------------------
>
> Key: JCR-3369
> URL: https://issues.apache.org/jira/browse/JCR-3369
> Project: Jackrabbit Content Repository
> Issue Type: Improvement
> Components: jackrabbit-core
> Reporter: Mete Atamel
> Assignee: Thomas Mueller
> Fix For: 2.2.13, 2.4.3, 2.5.1
>
> Attachments: JCR-3369-2.2.patch, JCR-3369-2.4.patch,
> JCR-3369-trunk.patch
>
> Original Estimate: 48h
> Remaining Estimate: 48h
>
> We identified a number of improvements to garbage collector related code to
> make it more robust, specifically:
> 1- As discussed in JCR-3340, when GC goes through nodes, it can encounter a
> lot of ItemStateExceptions. Currently, stack trace of these exceptions are
> not logged and this makes debugging difficult. Instead, ItemStateExceptions
> should at least be logged with full stack trace every 1 minute or so.
> 2- As discussed in JCR-3341, GC does not fail fast if there is a problem and
> it should.
> 3- Session usage in the GC is problematic. The session in GC is used for
> traversing the content and marking the binaries, but the listener in that
> class uses the same session as well, when a node is added. GC should rather
> use a separate session in onEvent() to avoid concurrent use.
> 4- GC listens for NODE_ADDED event for moved nodes but instead it should
> listen for NODE_MOVED.
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