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From "Bart van der Schans (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (JCR-3449) Improved performance for concurrent read-only access
Date Mon, 05 Nov 2012 14:14:13 GMT

     [ https://issues.apache.org/jira/browse/JCR-3449?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Bart van der Schans updated JCR-3449:

    Resolution: Won't Fix
        Status: Resolved  (was: Patch Available)

Resolving as won't fix as this is probably not the "correct" way to use jackrabbit
> Improved performance for concurrent read-only access
> ----------------------------------------------------
>                 Key: JCR-3449
>                 URL: https://issues.apache.org/jira/browse/JCR-3449
>             Project: Jackrabbit Content Repository
>          Issue Type: Improvement
>          Components: jackrabbit-core
>    Affects Versions: 2.2.13, 2.4.3
>            Reporter: Lars Michele
>            Priority: Minor
>         Attachments: jackrabbit-concurrent-read.patch
> This patch relates to JCR-890. The current implementation allows to share a session across
multiple threads reading, but the locking mechanism used makes this use-case slow. The attached
patch uses a ReentrantReadWriteLock for accessing session internals, which allows concurrent
reads be executed concurrently. The only drawback is, that for the "autofix" feature to work
as before one has to instantiate a thread on such cases, because it cannot be executed in
the read-scope of a the session facing such problems.

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