Hello Jimmy,
There has been no work that I have seen within the Fedora context on
configuring Fedora4/Infinispan over cloud storage. The primary blocker has
been the need to support an asynchronous API within ModeShape and Fedora
when interacting with cloud content. This is a use case that is of interest
to several institutions/installations, but not one that has received
development focus beyond a strawman Fedora HTTP API:
https://wiki.duraspace.org/display/FF/Design+-+Asynchronous+Storage
If you are interested in looking more deeply into this, I would be happy to
help coordinate with others who also share the interest.
Thanks,
Andrew
On Mon, Oct 7, 2013 at 10:16 AM, Jimmy Tang <[email protected]> wrote:
>
> On 25 Sep 2013, at 18:27, 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.
> >
>
> In relation to "recipes" for configuring infinispan, has anyone
> tested/tried to configure fcrepo4 to store blobs in S3 or Swift based
> storage systems, if so are there examples of this?
>
>
> Regards,
> Jimmy Tang
>
> --
> Senior Software Engineer, Digital Repository of Ireland (DRI)
> High Performance & Research Computing, IS Services
> Lloyd Building, Trinity College Dublin, Dublin 2, Ireland.
> http://www.tchpc.tcd.ie/ | [email protected]
> Tel: +353-1-896-3847
>
>
>
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