Hello Stefano,
I would like to say that you should begin your project with Fedora 4.
However, the fact is that on the one hand Fedora 4 is still working towards
a beta release, and on the other, a very solid Fedora 3.7 has just been
released.
If it is not already perfectly clear, one of Fedora 4's main priorities is
to ensure a simple content and application upgrade process for Fedora 3
installations to Fedora 4. Using Fedora 3 with Akubra will not be a barrier
to subsequently upgrading to Fedora 4.
Regards,
Andrew
On Wed, Sep 25, 2013 at 2:50 PM, Stefano Cossu <[email protected]> wrote:
> 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 <[email protected]> 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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