On Tue, Mar 20, 2012 at 1:01 AM, frank <frank.as...@congrace.de> wrote:
> Hola Guys,
>
> > f) Storing entire object in self-contained file archives
> > Yes. Although fcrepo-store does split the storage of FedoraObjects and
> > managed content, having them stored together (e.g. in AtomZIP) at the
> > low level is still possible. It's a question of efficiency.
> Hmm i think that's a quite interesting idea, having all your AIPs as on
> the filesytem in one file, especially when thinking about integrating
> fedora with some kind of execution service which requests/updates a lot
> of objects from/in fedora. You could dramatically decrease load if the
> whole intellectual entity could be fetched from the repo in one request,
> with all it's represeantations, instead of requesting an object first
> and having one subsequent request per datastream.
>
My feeling is that storing of entire objects should be left upto the
underlying store. If we cannot take advantage of granular storage in a
manner that is ideal for the actual datastream itself, then it increases
the complexity of the application to access that datastream.
For example, in the case of a "streaming" disseminator for a datastream:
Example, datastream is stored in a s3 store, Cloudfront streaming is
enabled on s3 and in Fedora, a disseminator is designed to serve, redirect
to a streaming dissemination of for the datasource. If the fedora storage
tier is packing all the resources into an AIP (I assume some sort of
archive)and then pushing them into the store then theres a great deal of
extraction and replication of storage to be able to deliver the resource
properly to cloudfront.
----
Theres nothing to stop the store itself from gluing together the
datastreams into AtomZIP on request
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