DIRAC Project meeting
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Compte rendu réunion DIRAC@IN2P3
Mardi 26 mai 2026
Atendees: Andrei, Axel, Bertrand, Héloïse, Loris, Luc, Luisa, Mazen, Natthan, Stella-Maria, Sorina, Vanessa
Agenda:
- Project Status
- Projects
- DiracX
- Publications / Conferences
- Consortium news
- AOB
1. Project Status
1.1 Versions :
- DIRAC v8.0.78
- NTR
- DIRAC v9.1.9 (from 9.1.8)
- Multiple minor fixes (load balancing, managing MySQL connections)
- DIRACX Release v0.1.0 (from 0.0.14)
- First minor release
- Due to incompatible changes compared to 0.0.XX releases
- LTS release discussion
- 8.0/9.0 releases to maintain to support current activities and first migration to DIRAC9/diracx
- Likely that LTS releases will be necessary also for the diracx
- LTS: bug fixes, special back porting if really necessary
- Who should maintain it:
- Communities running services in production
- With an (exceptional) help from the bleeding edge developers
1.2 DiracX Hackathon
- Next DIRAC Hackathon 1-2 July, CERN
1.3 Current Developments :
- The last Ddev meeting https://indico.cern.ch/event/1675315/
- Sprints (Natthan, Luisa, Stella, Loris, Heloise, Mazen)
- Heloise, Loris: Sprint related to the RSS
- DiracX style adjustments
- Mazen: global ES prefix
- Cert tests to be done
- Waiting anxiously at the EGI/IN2P3/FITS service, it is blocked without
- @Bertrand: is it foreseen to manage also index suffixes uniformly ? To be found out.
- IN2P3 contributions
- DMS/File Catalog porting (Andrei, Heloise, Bertrand )
- NTR
- diracx-cwl (Luisa, Natthan, Loris, Stella)
- Ryan's large PR is to be reviewed by CTAO
- Diracx/CWL to be tested in the certification instance of CTAO
- Loris worked on the new job wrapper
- But it is mostly developed by Ryan/Alexandre
- CWL jobs tests are OK
- CWL Productions/Transformations test to come
- Deployment with K8s (Bertrand)
- Status
- Opensearch
- certificates: PR to be reviewed
- Replacement of MinIO:
- SeaweedFS: in the works
- Others
- Should we remigrate the certification service to 9.1 ? update from 9.0 to 9.1 ?
1.4. Services:
- EGI: The service itself is running smoothly
- ~14M jobs since the beginning of 2026
- Mirgation from ccdiracXX to ccdiracliXX servers
- Smooth in general
- Done in one day
- Databases (MariaDB, ES) version update, contents copy
- DIRAC software update
- Few minor configuration issues following user reports
- Multiple site updates
- Mostly coincidences, not due to migration
- IN2P3
- km3net.org sites are configured and ready
- tests by km3net.org (Riccardo Bruno) done
- Still to do
- Rucio configuration
- FITS DIRAC service (Heloise, Vanessa, Bertrand)
- Status
- Using DIRAC CA certificates
- Job submission
- Sandboxes
- Integration into the FITS portal
1.4. European/National Projects :
- GreenDIGIT (Mazen)
- Green reporting
- Green scheduling
- PEPR STEEL (Andrei)
- NTR
- SpectrumCoP-WP[1,2,3] (Andrei, Vanessa)
- Final meeting 3d June, Brussels
- The final reports are being finalized
- ENSURE TECH-01 call (Sorina):
- Kick-off in September
- MesoClouds RI proposal
- NTR
- 9 June MesoCloud meeting
2. Projects
2.1 CTAO (Luisa, Natthan)
- Status
2.2 Biomed (Sorina, Axel)
- Status
2.3. Juno (Andrei)
- Recent production rather heavy
- Still using only 2 rather powerful servers for everything (MySQL, MQ, DIRAC)
- VO-boxes in CC/IN2P3 and JINR
- To cope with the load:
- installed extra 2 CS slaves at CC/IN2P3 and one slave at JINR
- Install extra ProxyManager instances
- The production scripts to review
- Not using the DIRAC failover mechanism for data uploads
- Failed uploads but jobs Done
2.4 KM3NeT.org (Vanessa)
- Status
4. Conference, workshop, publications
- CHEP'26, Bangkok, Now
- 2 DIRAC related contributions: general status, CWL based WMS
- JCAD'26, Nantes, 5-7 October, deadline 1 June
- Ask for poster
- EGI'26, Ghents
- Poster accepted
- DIRAC User's Workshop
- 13-16 October '26, Prague, FZU
5. Consortium
- DIRAC is now HSF affiliated project !
6. AOB
- The next meeting date: 7th July 2026 after the hackathon