[jira] Resolved: (JCR-2546) SISM blocks the item state cache when loading a new item

["Jukka Zitting (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/JCR-2546?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jukka Zitting resolved JCR-2546.
--------------------------------

       Resolution: Fixed
    Fix Version/s: 2.1.0
         Assignee: Jukka Zitting

Fixed in revision 919458.

> SISM blocks the item state cache when loading a new item
> --------------------------------------------------------
>
>                 Key: JCR-2546
>                 URL: https://issues.apache.org/jira/browse/JCR-2546
>             Project: Jackrabbit Content Repository
>          Issue Type: Improvement
>          Components: jackrabbit-core
>            Reporter: Jukka Zitting
>            Assignee: Jukka Zitting
>             Fix For: 2.1.0
>
>
> The SharedItemStateManager.getNonVirtualItemState() method contains a loadItemState() call within a "synchronized (cache)" block. This prevents all item state cache access while a new item is being loaded from the persistence manager. I have at least one case where this has caused a serious performance drop, essentially synchronizing repository access for all readers.

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