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Attendees

• Michael Durbin
• A. Soroka
• Osman Dinfrank asseg
• Greg Jansen
• Nigel Banks
• Ed Fugikawa

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1. Review current fcrepo4 work
   
   1. RDF iteration in the core
   2. Simplified deployment
   3. Islandora interoperability
   4. Search
2. ...Profiling

Previous Actions

•  Michael Durbin to create Pivotal tickets for UI polish
•  Benjamin Armintor to send email for others to sign his and other committers' keys

New Actions

•  Greg Jansen to check into possible cluster testing resource at UNC.

...

Minutes

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Review current work for Fedora 4

• RDF iteration in the core. (Refactor of code, move away from models and towards an lazy iteration model) 
  
  • Improved memory usage.
  • Apache Jena, stored RDF in memory, contained more than we needed, now using our own abstraction.
    
• Simplified Deployment. (Osman Din, not present) Simplify configuration. Still in progress.
• Islandora Interoperability - Soon both Fedora 3 and Fedora 4 will share the same code base.
• Search (Ye Cao, not present), Generic Search Solution for Fedora 4. Mulgara to be built upon existing indexer (Nigel Banks).

Fedora 3.7.1

• Bug fixes
• Speed improvements (Thanks Benjamin Armintor!) 

Fedora Profiling (frank asseg)

•  Some results from the SCC cluster: https://wiki.duraspace.org/display/FF/Performance+evaluation+on+the+SCC+Cluster
• We are currently limited by our test platform.
• Currently working on getting physical nodes to test the platform on rather than shared VM's.
• Fedora 4 now has a greater throughput than Fedora 3, yeah!
• Increasing the number of threads didn't seem to improve performance.
• Tweaking configuration.
• Check out project on Github https://github.com/futures/benchtool
• Single Node performance is important.
• LevelDB NoSQL store may work with infinispan to dramatically increase performance (Chris Beer tested this in single node before, may not be able to use with cluster).
• Two kinds of metrics:
  • Load testing, this is what frank asseg is working on. 
  • Internal Metrics which time operations inside the software, good for finding the source of problems.