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Fedora 4 The Incredible Shrinking Repository

Learn about the incredible features of Fedora 4, the backbone of Hydra and Islandora, with unmatched performance and flexibility. Discover how it handles large files and millions of objects with ease, supports federation, RDF, and more. Join the future of repository development now!

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Fedora 4 The Incredible Shrinking Repository

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  1. Fedora 4The 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 goodspokesman 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

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