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From "Thomas Mueller" <thomas.tom.muel...@gmail.com>
Subject Re: DataStore vs Blobstore
Date Thu, 15 Nov 2007 15:53:37 GMT

> 1.  When will the new version of jackrabbit with the datastore be released?

Sorry, I don't know the plans for this.

I have added the following sections to the data store documentation at
http://wiki.apache.org/jackrabbit/DataStore - please tell me if you
need more information.

The main advantages of the data store over the blob store are: unlike
the blob store, the data store keeps only one copy per object, even if
it is used multiple times. The data store detects if the same object
is already stored and will only store a link to the existing object.
Data store operations (read and write) don't block other users because
they are done outside the persistence manager. Multiple data store
operations can be done at the same time. The data store can be shared
across multiple workspaces, and even across multiple repositories if

Migration: currently there is no special mechanism to migrate data
from a blob store to a data store. The only known way to convert is to
export the data, and re-import into a new repository.


On Nov 15, 2007 4:23 PM, Jason Tesser <jason.tesser@dotmarketing.com> wrote:
> I am wanting to use the datastore instead of the blobstore and have a few
> questions.
> I am a newbie at Jackrabbit and just now getting into it for what it is
> worth
> 1.  When will the new version of jackrabbit with the datastore be released?
> 2.  If I use the blobstore will it be easy to convert to the datastore when
> the next version comes out?
> 3. What exactly are the differences between the datastore and the blobstore?
> Thanks,
> Jason

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