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From "Chetan Mehrotra (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (OAK-805) Support for existing Jackrabbit 2.x DataStores
Date Tue, 18 Mar 2014 05:35:43 GMT

     [ https://issues.apache.org/jira/browse/OAK-805?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Chetan Mehrotra resolved OAK-805.

    Resolution: Fixed

Thanks [~amitjain]  for the review

JR2 DataStore can now be used with Oak via DataStoreBlobStore wrapper. Support for using the
same in OSGi env is provided via OAK-1502

> Support for existing Jackrabbit 2.x DataStores
> ----------------------------------------------
>                 Key: OAK-805
>                 URL: https://issues.apache.org/jira/browse/OAK-805
>             Project: Jackrabbit Oak
>          Issue Type: New Feature
>          Components: core, mk, mongomk
>            Reporter: Jukka Zitting
>            Assignee: Chetan Mehrotra
>             Fix For: 0.19
>         Attachments: OAK-805.patch
> To speed up migrations from Jackrabbit 2.x to Oak and to allow multiple Oak repositories
to share binaries like what's possible with the Jackrabbit 2.x DataStore mechanism, it would
be good if our MKs, most notably MongoMK and SegmentMK, had a way to reference binaries stored
in a DataStore instead of in the native blob store of the MK.
> The downside of such setups is of course that it splits up the garbage collection process,
but the benefits of a speedier and less expensive migration will likely be worth it at least
in some cases with huge amounts (TBs) of existing content.

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