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Posted to oak-issues@jackrabbit.apache.org by "Jukka Zitting (JIRA)" <ji...@apache.org> on 2013/12/02 16:19:35 UTC

[jira] [Resolved] (OAK-1249) Fine-grained locking in SegmentMK commits

     [ https://issues.apache.org/jira/browse/OAK-1249?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jukka Zitting resolved OAK-1249.
--------------------------------

       Resolution: Fixed
    Fix Version/s:     (was: 1.0)
                   0.13

Done in revision 1547054.

> Fine-grained locking in SegmentMK commits
> -----------------------------------------
>
>                 Key: OAK-1249
>                 URL: https://issues.apache.org/jira/browse/OAK-1249
>             Project: Jackrabbit Oak
>          Issue Type: Sub-task
>          Components: core
>    Affects Versions: 0.12
>            Reporter: Jukka Zitting
>            Assignee: Jukka Zitting
>             Fix For: 0.13
>
>
> Currently the SegmentMK synchronizes the whole {{NodeStore.merge()} method (and also {{getRoot()}}!), which can lead to unnecessary lock contention for concurrent writes from the same JVM.



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