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From "Alex Parvulescu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (JCR-3335) Reduce synchronized block scope when loading a node by id
Date Tue, 12 Jun 2012 08:05:44 GMT

    [ https://issues.apache.org/jira/browse/JCR-3335?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13293428#comment-13293428

Alex Parvulescu commented on JCR-3335:

> you replace the 'updateCache' method with 'getEntries'. 
I'm not actually replacing the 2 calls, I'm only reducing the mirrored code, and merging the
2 similar 'getEntries' methods together.
And like you've noticed this has the added benefit that it loads the node outside the read
> Reduce synchronized block scope when loading a node by id
> ---------------------------------------------------------
>                 Key: JCR-3335
>                 URL: https://issues.apache.org/jira/browse/JCR-3335
>             Project: Jackrabbit Content Repository
>          Issue Type: Sub-task
>            Reporter: Alex Parvulescu
>         Attachments: CachingEntryCollector.java.patch
> This is a small(ish) change that takes the 'getNodeById' cll outside of the synchronized
block that wraps the cache access.
> I see the load call as a heavy one, and the proposed change offers better concurrency
> In the tests that I ran, mostly related to queries I got a 20% improvement on average
query response time.

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