DIRAC Project meeting
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Compte rendu réunion DIRAC@IN2P3
Mardi 28 avril 2026
Atendees: Andrei, Axel, Bertrand, Héloïse, Loris, 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 v9.1.8 (from 9.1.3)
- Update of the time left algorithm
- Minor fixes
- DIRACX Release v0.0.14 (from 0.0.11)
- Added diracx-tasks
- Discussion on release branches vs trunk based development
- convenience for developers or for administrators ?
1.2 DiracX Hackathon
- Next DIRAC Hackathon 1-2 July, CERN
1.3 Current Developments :
- The last Ddev meeting https://indico.cern.ch/event/1673589/
- Sprints (Natthan, Luisa, Stella, Loris, Heloise, Mazen)
- Heloise, Loris: Sprint related to the RSS
- Almost done
- Mazen: global ES prefix
- IN2P3 contributions
- DMS/File Catalog porting (Andrei, Heloise, Bertrand )
- Goal: come up with the single configuration, best performing based on the acquired experience
- To be used in DIRAC9
- To be used as the starting point for the diracx migration
- Status
- 3 DB schemas defined
- Current production, +merged tables, +directory closure
- Databases created
- population scripts are ready
- Metadata with dirac-closure still to be confirmed
- Next steps
- Run and measure population of the 3 catalogs
- Measure bulk queries
- Procedure to migrate current catalogs to be defined
- 2 steps:
- merged tables
- leveltree -> closure (if proved necessary)
- diracx-cwl (Luisa, Natthan, Loris, Stella)
- Status
- Deployment with K8s (Bertrand)
- Status
- Opensearch
- PR for allowing certs for login almost ready
- Global prefix to be added to DIRAC (see Mazen)
- Replacement of MinIO:
- SeaWeed
1.4. EGI Services:
- The service itself is running smoothly
- NTR
- Service splitting (Vanessa)
- Hosts are ready with DIRAC8 software installed
- DIRAC@IN2P3 service
- Operational (DIRAC8)
- km3net.org production tests to start ?
- Set up the IN2P3 storage in DIRAC
- DIRAC4EGI service
- Servers are in place
- Migration after the DIRAC@IN2P3 is done
- FITS DIRAC service (Heloise, Vanessa, Bertrand)
- Status
- DIRAC9+diracx configured
- First job by a user without certificates.
- Job submission via the REST in the Swagger generated doc page
1.4. European/National Projects :
- GreenDIGIT (Mazen)
- GreenReportingAgent updated to reduce time for processing jobs
- Still getting CI metrics from external services is slow
- GreenSiteDirector
- Using simple GreenScore site ranking
- Simulation
- First results
- CO2 gain
- CO2 gain correlated with Turnaround
- Systematic runs with better stats ongoing
- Production WMS optimization
- Using biomed_green group (biomed VO resources)
- Refining observed metric:
- The main one NormCPU/g_CO2
- PRs are in the Github, close to be ready to apply to other services
- Collaboration with GreenDIGIT:
- EGI
- km3net.org
- CMS ?
- 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):
- Status
- MesoClouds RI proposal
- NTR
2. Projects
2.1 CTAO (Luisa, Natthan)
- Status
- Testing the kubernetes setup
- Testing CWL based WMS
2.2 Biomed (Sorina, Axel)
- Status
2.3. Juno (Andrei)
- Status
- Long File names in the catalog
- Problem identified
- Waiting for a quite window to fix the database
- Solving the Transformation Monitor problems:
- MonitorFiles task
- Problem identified, fix to be tested
2.4 KM3NeT.org (Vanessa)
- Status
- Sites configured to accept km3net.org jobs
- SEs ?
- Rucio connection
- Ball on their side
4. Conference, workshop, publications
- CHEP'26, Bangkok, 25-29 May
- 2 DIRAC related contributions
- JCAD'26, Nantes, 5-7 October, deadline 22 May
- EGI'26, Ghents
- DIRAC User's Workshop
- To be announced shortly, 13-16 October '26, Prague
5. Consortium
- Advancing with the HSF affiliation program
- Confirmed the final reviewer report
6. AOB
- The next meeting date: 26th May 2026