[jira] [Commented] (SLING-2501) Expose DataStore GarbageCollector to be able to clean deleted filed from the Repository

["Dragos Dascalita Haut (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SLING-2501?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13288580#comment-13288580 ] 

Dragos Dascalita Haut commented on SLING-2501:
----------------------------------------------

Following the discussions on the mailing list, c.f.[1], I've been implemented a patch that exposes RepositoryManager through SlingServerRepository. 
SlingServerRepository implements RepositoryManager and is also registered as such.
- The createDataStoreGarbageCollector() method delegates to RepositoryImpl.createDataStoreGarbageCollector
- The close() method throws an exception  

In this way, it's easy to run the GC on the Data Store.. For instance, a servlet could declare:
@Reference
private RepositoryManager rm;

and then have:
DataStoreGarbageCollector gc = rm.createDataStoreGarbageCollector();
gc.mark();
gc.sweep();


[1] - http://mail-archives.apache.org/mod_mbox/sling-users/201206.mbox/%3CE9463579-DB3E-425D-8F3C-76569FD8BD99%40adobe.com%3E
                
> Expose DataStore GarbageCollector to be able to clean deleted filed from the Repository
> ---------------------------------------------------------------------------------------
>
>                 Key: SLING-2501
>                 URL: https://issues.apache.org/jira/browse/SLING-2501
>             Project: Sling
>          Issue Type: Improvement
>          Components: JCR
>    Affects Versions: JCR Jackrabbit Server 2.1.0
>            Reporter: Dragos Dascalita Haut
>              Labels: patch
>
> Currently Sling is not exposing any mean to be able to perform GC operations on a JCR Repository. In this way, a repository managing larger docs, images, and especially videos, may grow in size rapidly and there is no way to clean the disk when files are deleted. 
> It would be nice to have the RepositoryManager exposed through SlingServerRepository, and thus be able to create a Date Store Garbage Collector and clean the repository. 

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