Fedora 4: The Incredible Shrinking Repository (code4lib 2014)

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escowles

Technology

Fedora 4
The Incredible Shrinking Repository
Esmé Cowles
Code4Lib • Raleigh, NC • 2014-03-26

...the
foundation of
Hydra and
Islandora

Repository Development
• UCSD DAMS Repository
• Partial clone of Fedora 3 REST API
• Hydra Head frontend
• https://github.com/ucsdlib/damspas/

Fedora 4
• Working on Fedora 4
• Unlikely spokesman for Fedora
• ...but maybe a good spokesman for Fedora 4

Performance
• REST API can handle files of
any size (tested up to 1TB)
• Millions of objects
• Ingest performance
• Clustering
Photo: http://www.flickr.com/photos/laurenprofeta/3223035171

Flexibility
• Hierarchy
• Multiple storage backends
• Asynchronous I/O planned
• Policy-driven storage
• Pluggable auth
Photo: http://www.flickr.com/photos/mikecogh/7970493050

Federation
• Filesystem federation
• Fedora 3 federation
• Pluggable
Photo: http://www.flickr.com/photos/jairus/3353333656

RDF
• Fedora 4 is not a triplestore
• But it speaks RDF
• Metadata everywhere
• SPARQL query and updates
• So...

Indexer
• Triplestore (Jena, Sesame, ...)
• SPARQL Update
• Solr & Elasticsearch
• Pluggable
Photo:
http://www.flickr.com/photos/96208357@N00/5598956842/

Easy
• One-click install
• Easy to run in Tomcat, Jetty, etc.

The Future
• Alpha 4 just released
github.com/futures/fcrepo4/releases
• Beta release in June
• 4.0 release
Photo: http://www.flickr.com/photos/louripperts/8221292621/

Join Us
• Github:
http://github.com/futures/fcrepo4/
• Wiki:
https://wiki.duraspace.org/display/FF
• Mailing List:
https://groups.google.com/group/fedora-tech
• IRC:
#duraspace-ff

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Fedora 4: The Incredible Shrinking Repository (code4lib 2014)

1. Fedora 4 The Incredible Shrinking Repository Esmé Cowles Code4Lib • Raleigh, NC • 2014-03-26

2. Confession

3. Fedora is a popular repository

4. ...the foundation of Hydra and Islandora

5. ...used by many august institutions

6. ...but not by UC San Diego

7. Repository Development • UCSD DAMS Repository • Partial clone of Fedora 3 REST API • Hydra Head frontend • https://github.com/ucsdlib/damspas/

8. Fedora 4 • Working on Fedora 4 • Unlikely spokesman for Fedora • ...but maybe a good spokesman for Fedora 4

9. Big Promises

10. Performance • REST API can handle files of any size (tested up to 1TB) • Millions of objects • Ingest performance • Clustering Photo: http://www.flickr.com/photos/laurenprofeta/3223035171

11. Flexibility • Hierarchy • Multiple storage backends • Asynchronous I/O planned • Policy-driven storage • Pluggable auth Photo: http://www.flickr.com/photos/mikecogh/7970493050

12. Federation • Filesystem federation • Fedora 3 federation • Pluggable Photo: http://www.flickr.com/photos/jairus/3353333656

13. RDF • Fedora 4 is not a triplestore • But it speaks RDF • Metadata everywhere • SPARQL query and updates • So...

14. Indexer • Triplestore (Jena, Sesame, ...) • SPARQL Update • Solr & Elasticsearch • Pluggable Photo: http://www.flickr.com/photos/96208357@N00/5598956842/

15. Easy • One-click install • Easy to run in Tomcat, Jetty, etc.

16. The Future • Alpha 4 just released github.com/futures/fcrepo4/releases • Beta release in June • 4.0 release Photo: http://www.flickr.com/photos/louripperts/8221292621/

17. Join Us • Github: http://github.com/futures/fcrepo4/ • Wiki: https://wiki.duraspace.org/display/FF • Mailing List: https://groups.google.com/group/fedora-tech • IRC: #duraspace-ff

Fedora 4: The Incredible Shrinking Repository (code4lib 2014)

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