2019.03.13 Community Meeting

Call-in Details

• 11am ET
• https://duraspace.zoom.us/my/vivo1
• or Telephone:
  • US: +1 669 900 6833 or +1 646 876 9923
  • Canada: +1 647 558 0588
  • Australia: +61 (0) 2 8015 2088
  • United Kingdom: +44 (0) 20 3695 0088
  • Meeting ID: 812 835 3771
  • International numbers available: https://zoom.us/u/MO73B

Attendees

1. Andrew Woods
2. Tom Wrobel

Agenda

1. Community updates
   • CNI OCFL presentation
   • LDCX attendance?
   • other?
2. Beta updates
   • Unresolved Beta issues
3. Next meeting: Wednesday, Apr 10th @11am ET

Notes

Community updates

1. CNI in St. Louis
   • Please attend the OCFL presentation
2. Open Repositories 2019 in Hamburg
   • Please attend the OCFL presentation
3. LDCX
   • Likely few from the OCFL calls will be attending
4. Oxford has a draft API interface
   • https://app.swaggerhub.com/apis/OCFL_client/ORA_OCFL
   • Input welcome
   • abirkland OCFL client will have an HTTP wrapper... is the above a good fit?
     • Question around other forms the abirkland HTTP wrapper may take
     • Interest in having a Fedora implementation with preservation persistence
     • Interest in aligning the abirkland HTTP wrapper and ORA API
   • Open questions around correlating ocfl:Object updates to versions of the object
   • Assumption that "active objects" are manipulated in a staging directory before creating a version directory (e.g. v4)
   • ACTION: add an issue for impl-notes that details the need for a "draft" or "tmp" directory for active ocfl:Objects
   • Interest in an OCFL response format
     • Communicating delta information across versions, etc
     • Likely not in the spec, but a community agreement

Implementations

1. abirkland client
   • https://github.com/birkland/ocfl
   • API in Go-lang
   • API is transaction, with sessions and commits
   • Informally, performance is not bad at all
     • small number of 300GB files
     • 300k small files (total 50-100GB)
       • inventory.json: 100+MB
     • interest in having the performance numbers published
   • Supported by JHU data archive
2. ahankinson Go-lang client for validation
   • Go-lang is a productive language to work in
   • Interest in parallel validation routines
   • https://github.com/ahankinson/ocfl

Beta issues

• PRs welcome

Fedora

1. Recent design meeting focused on mapping Fedora resources to ocfl:Objects, among other things
   • Oxford potentially interested in a F6 MVP
   • https://wiki.duraspace.org/display/FF/2019-02+Fedora+Design+Summary

Audio recording

• 2019-03-13.mp3

Action Items

• Add an issue for impl-notes that details the need for a "draft" or "tmp" directory for active ocfl:Objects

Previous Action Items

• Neil to contact NDSA group regarding openness of preservation storage in the "Levels of Preservation"