Logistic

When

• Feb 26th - Feb 28th, 2019
• Travel on Feb 25th and Mar 1st
  • Arrive at house after 4pm, Feb 25th
  • Depart from house before 10am, Mar 1st
• Team Travel Plans

...

1. Bulk upload
   • Structured ingest: images/metadata, via filesystem?
2. Dynamic scalability (storage and response time)
3. Cloud storage
4. Basic query
5. Backup / restore
   • disaster recovery
6. Multi-tenancy
7. Binary fixity
   • storing fixity
   • comparing stored with computed
8. Object validation
   • fixity of children, based on type
   • log results
9. Auto health checks
   • Index of all resources
   • Configurable frequency
   • report/log
10. Migration
    1. URIs must remain unchanged from 4 → 5 → 6
11. Atomic version of multiple requests
    • Version on-demand?
    • Transactions?
12. Durable identifiers
    • Non-URL IDs?
    • ARKs?, DOIs
13. IIIF integration

Topics

1. OCFL
   1. Points to clarify
      1. Mapping between Fedora resources and
      OCFL resources
      1. OCFL Storage Root and OCFL Objects
         1. How does Fedora persist to OCFL
         2. How does an existing OCFL hierarchy map into Fedora (no current use case provided)
      2. Cross-referencing between OCFL Objects (including linking to files within OCFL Objects)
      3. OCFL identifiers: Fedora URLs? internal URIs?
      4. Decoupling LDP containment from OCFL Object path?
      5. Creating OCFL versions
      6. External content handling
   2. OCFL Tooling: What is the MVP for initial testing?
      1. Mock OCFL for prototyping
      2. OCFL client API
   3. Performance considerations
      1. Many members scenario
2. Fedora 2019 architecture
   1. Refactoring away from ModeShape by implementing:
      
      1. fcrepo-kernel-modeshape (JCR interfaces)?
      2. fcrepo-kernel-api?

      3. fcrepo-http-api?

         Expand

         fcrepo-auth-common classes: 19 lines: 1697 total fcrepo-auth-webac classes: 14 lines: 4652 total fcrepo-event-serialization classes: 8 lines: 724 total fcrepo-http-api classes: 51 lines: 18908 total fcrepo-http-commons classes: 131 lines: 10162 total fcrepo-integration-ldp classes: 1 lines: 180 fcrepo-integration-rdf classes: 15 lines: 1293 total fcrepo-jms classes: 13 lines: 1090 total fcrepo-kernel-api classes: 90 lines: 5666 total fcrepo-kernel-modeshape classes: 174 lines: 27319 total fcrepo-webapp classes: 4 lines: 731 total fcrepo4 classes: 520 lines: 72422 total

         
         

   2. Layers of abstraction
      1. Persistence (OCFL client API <=> fcrepo-kernel-api)
      2. Query API
      Performance considerations
3. Migrations
   1. Fedora 3? → 4 → 5 → 6
   2. Retaining URIs
   3. Transforming F3 FOXML into OCFL (review migration-utils)
4. Persistent identifiers
5. API + Plus
   
   1. Object validation
   2. Configurable health checks
   3. Transactions?

Development topics

1. Limiting Fedora dependency on Modeshape to fcrepo-kernel-modeshape
2. Re-implementing Fedora persistence for OCFL
   1. fcrepo-kernel-api?
      1. Fedora dependencies on JCR and Modeshape
   2. fcrepo-http-api?
3. Mocking OCFL client
4. OCFL Go library

Agenda

Call-in: https://duraspace.zoom.us/my/fedora

Tuesday - 2019-02-26

• 9am ET: Daily stand-up
• 5pm ET: Daily debrief

Wednesday - 2019-02-27

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Thursday - 2019-02-28

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