Hi Andrew,
Thanks for your clarification and your graph.
Would then Akubra become redundant in this scenario?
The main reason I am asking this is that I'm debating whether to start a
new project with Fedora 3 or 4 (and storage is one of the main points in
my choice). If I start with F3 and Akubra, I am wondering if when I
upgrade to F4 at some point in time I would have a harder time
transitioning to Infinispan with Akubra in the way.
Thank you, and thanks for keeping the Fedora Futures Wiki up to date!
Stefano Cossu
Director of Application Services, Collections
The Art Institute of Chicago
116 S. Michigan Ave.
Chicago, IL 60603
312-499-4026
On 9/25/13 12:27 PM, Andrew Woods wrote:
Hello Stefano,
Thanks for probing into Fedora 4. It may be worth clarifying the fact
that Fedora 4 represents an architectural shift from a
custom-developed, ten-year-old software application to a new software
stack as depicted in the attached document. You are correct in drawing
an analogy between the storage layer options of Fedora 3 and the role
of Infinispan in Fedora 4.
Fedora 4 adds the preservation and access sensibilities that are
important to the Fedora community to the vanilla ModeShape [1] JCR
implementation. Optimizing for the ability to cluster and for
performance, the recommended storage configuration of ModeShape is to
layer over Infinispan [2]. Infinispan, itself, has a number of
persistence store options available including simple filesystem and a
range of databases.
Based on a variety of Fedora installation profiles and use cases, we
will be providing Fedora4/ModeShape/Infinispan configuration "recipes"
which will take the guess-work out of how to get to an efficient
configuration of your repository.
Regards,
Andrew
[1] https://docs.jboss.org/author/display/MODE/Home
[2] http://infinispan.org/docs/5.3.x/user_guide/user_guide.html
On Wed, Sep 25, 2013 at 11:18 AM, Stefano Cossu <sco...@artic.edu
<mailto:sco...@artic.edu>> wrote:
Hi there,
I have heard a lot of buzz around the new storage layer based on
Modeshape and Infinispan in Fedora 4.
Not being very confident with Fedora's inner workings, nor with JCR
itself, I'm wondering how this is related to the Fedora 3.x legacy
filesystem and Akubra storage engines. Is Modeshape/Infinispan
meant to
be an alternative or replacement for these engines? Or do they work
alongside with different purposes?
Some explanation would be appreciated.
Thanks,
--
Stefano Cossu
Director of Application Services, Collections
The Art Institute of Chicago
116 S. Michigan Ave.
Chicago, IL 60603
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