Name: Rucio Meeting
Start: 2023-05-04T15:00:00+02:00
End: 2023-05-04T16:00:00+02:00
Location: No location set

1

News

May meeting schedule
- May 4 (today)
- ~~May 11~~ CANCELLED (CHEP)
- ~~May 18~~ CANCELLED (CERN Holiday)
- May 25
May release schedule
- May 3 1.26.17 LTS
- May 3 1.31.2
- May 15 1.31.3
- May 29 1.31.4
Testing of temporary tables
- If you run 1.28+ please consider testing Rucio with temporary tables
- [core]temp_tables=True
- We want to make this the default with Rucio 32 and remove the conventional workflows completely

2

Community News & DevOps roundtable

ATLAS
- "Trying" to test Rucio GLOBUS in production
CMS
Fermilab DUNE / ICARUS / RUBIN
- ICARUS
  - RSE setup @ SLAC
  - Setting up a Hypot
- RUBIN
  - Issue using RALs FTS to execute transfers
    - Large rules being submitted to FTS in bulk
    - At some point switch to single submission instead of bulk
      - Only happens at RAL FTS
      - Links configured specifically so only single source can be used
    - Start checking logs
      - Not MultiSource jobs
DUNE
- Migrated metadata to metacat
  - Big milestone for DUNE
Belle II
- Problem with deletions
  - Not with Rucio itself, but the database
  - Big deletion campaign ongoing, increased #threads (default 2, during campaign 4 causes issues)in reaper, caused some issues on DB side
    - sync between primary and secondary DB taking longer causing memory issues on primary
ESCAPE
- CMS setup script for environment including gfal2
  - Eric will send script
RAL / MultiVO
- Token Auth not working (via CLI)
  - See #support

3

Python 3.6 deprecation discussion

All present communities agreeing to move ahead with the proposal
- Since older clients are forward compatible, 1.29 or 1.31 can be used

4

Developers roundtable

32 "The Good, The Bad and the Donkey" Priority followup
- In Progress
  - Migrate DID and DID-metadata view to clean architecture #w/160 [Mayank, Anton]
  - Migrate List My Rules and Rule View to clean architecture #w/159 [Mayank, Anton]
  - Create Pages for Create Rule Workflow #w/144 [Anton]
  - Adapt probes to rucio/rucio#5804 #p/108 [Eric]
  - Internal transfer monitoring #6189 [Radu]
  - New dispatcher logic for conveyors #6190 [Radu]
- In Review
  - Unable to Delete File DID via Undertaker #5154 [Anton]
- Todo
  - Design and implement a token request module #6187 [Dimitrios]
  - Incorporate IAM-based testing for token workflows #6188 [Dimitrios]
  - Design and implement a token cache module #6183 [Dimitrios]
  - Support protocols with NULL priority #6201 [Dimitrios]
  - Kick off SIG-Tokens [Martin]
  - Document and cleanup discrepancies between surl and lfn2pfn algorithms #5129 [Martin]
  - Reduce core tickets <15 [Martin, Mario]
  - foreign key error on deleting dids in reaper #5733 [Martin]
  - Create a server/daemon installation howto #d/178 [Mayank]
  - Create developers testing guide in the documentation #d/177 [Mayank]
  - Support OIDC login #w/149 [Mayank]
  - Migrate Dashboard to Clean Architecture #w/158 [Mayank, Anton]
  - Exchange of function-based indices with normal index #6143 [Radu]
  - Update/Re-design core.meta module #5224 [Rob]
- Done
  - Replace all instances of X509 identities presented in the legacy format #6182 [Dimitrios]
    - One PR still open for the documentation
- Delayed
Documentation corner
- Document environmental variables affecting the client #171 [Dimitrios]
- Documentation and dev guidelines for MyPi type annotations #116 [Mayank, Martin]
- Create developers testing guide in the documentation #177 [Mayank]
- Create a server/daemon installation howto #178 [Mayank]
  - Ubuntu-specific PR #215
- Improve documentation on rucio.cfg vs configuration table #183 [Radu]
- Add an FAQ-style entry aimed at users for STUCK rules #184 [Fabio]
- Add instruction about DB partitioning #185 [Martin]
- bridge the gap between running rucio in demo env and full production deployment #187 [Radu]
- Introduce documentation on subscriptions #190 [Cedric]
- ~~improve documentation about --distance and --ranking and source ranking~~ ~~#199~~ ~~[Radu]~~
Other topics
- CMS consistency code & documentation in new repository rucio/consistency-enforcement
- Versioning of documentation?
  - Not at the moment
  - Maybe mentioned since when a certain feature is availabile (Rucio version)

5

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