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From "Maxim Zinal (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (OCM-69) Add support for global object cache
Date Sun, 06 Jul 2014 09:22:33 GMT

     [ https://issues.apache.org/jira/browse/OCM-69?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Maxim Zinal updated OCM-69:

    Status: Patch Available  (was: Open)

Global object cache support is available at https://github.com/zinal/jackrabbit-ocm/tree/OCM-caching.
I'll also prepare a separate patch file later.

> Add support for global object cache
> -----------------------------------
>                 Key: OCM-69
>                 URL: https://issues.apache.org/jira/browse/OCM-69
>             Project: Jackrabbit OCM
>          Issue Type: Improvement
>    Affects Versions: 2.0.0, 2.0.1
>            Reporter: Maxim Zinal
>            Priority: Minor
> Loading large and deep-nested objects using Jackrabbit OCM can be really resource-consuming.
Generally the process is mostly CPU-bound, if Jackrabbit bundle cache size is properly configured.
Our measurements show that most of the time is spent on beanutils code setting object properties.
> For many applications it's pretty common to read the same data over and over again, with
relatively low insert/update activity. Such applications will greatly benefit from global
object cache, allowing to skip object load phase in 90% of all cases (or even more).
> I have added an experimental support for global object cache into jackrabbit-ocm based
on current development version, and it works very good for our application.

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