DIRAC Project meeting

→ Europe/Paris
Vanessa Hamar (CC-IN2P3 / CNRS)
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Time: Feb 24, 2026 02:00 PM Paris
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Participants
  • Andrei Tsaregorodtsev
  • Axel BONNET
  • Bertrand Rigaud
  • Heloïse JOFFE
  • Loris VAN KATWIJK
  • Luc Guyard
  • Luisa Arrabito
  • Mazen Ezzeddine
  • Natthan Pigoux
  • Sorina POP
  • Stella Maria Renucci
  • Vanessa Hamar
Cacher

Compte rendu réunion DIRAC@IN2P3

Mardi 27 Janvier 2026

 
 

Atendees:  Andrei, Axel, Bertrand, Héloïse, Loris, Luisa, Mazen, Natthan, Stella-Maria, Sorina, Vanessa

 

Agenda:

 
  1. Project Status
  1. Projects
  1. DiracX
  1. Publications / Conferences
  1. Consortium news
  1. AOB
 

1. Project Status

    

1.1 Versions :

 
  • DIRAC v8.0.76
  • Minor fixes
 
  • DIRAC v9.0.16
  • Multiple updates , no major new functionality
  •  
  • DIRACX Release v0.0.7
  • Multiple updates to support the LHCb's case
  • added diracx-cwl
 

1.2 Developments :

 
 
  • General feeling that the pace of porting functionalities from DIRAC to diracx is too slow
  • The framework is ready for more contributions
  • Many PRs stay unmerged for a long time
 
  • Project development organization
  • Scrum, sprints, user stories, velocities, etc
  • More focused, quicker developments
  • Coordinated by Alexandre Boyer
  • Hope this will help
 
  • Daniela showed a prototype for DIRAC/DiracX deployment K8s-free
  • Running from containers
  • Can be interesting for some installations
  • Documentation pending
 
  • IN2P3 contributions
  • DMS/File Catalog porting:
  • Review the DIRAC8 FC
  • Make a (single) choice of components
  • Experiment with a final monolitic design (performance)
  • Make a new FC implementation in DIRAC9
  • with contents migration tools
  • Design the FC diracx interfaces
  • Port the FC from DIRAC to diracx 
  • Andrei, Heloise
  • Others ?
  • Meeting at CC with this focus
  • diracx-cwl (Luisa, Natthan, Loris, Stella)
  • How to accelerate the diracx WMS full-fledged system ?
 
  • Deployment with K8s (Bertrand)
  • Status and directions
  • 2 clusters installed for the testbed
  • 2 DIRAC8 production clusters 
  •  
 

1.3. EGI Services:

 
  • The service itself is running smoothly
 
  • Service splitting (Vanessa)
  • Hosts are ready with DIRAC8 software installed
  • DIRAC@IN2P3 service 
  • offer to be officialized by CC/IN2P3
  • Km3NET is the first case
  • DIRAC4EGI service
  • Should find the date for downtime to migrate the service
  • Warn the CM admins
  • Perform the migration
  • FITS DIRAC service
  • ??
 
 

1.4. European/National Projects : 

 
  • GreenDIGIT (Mazen)
  •  
  • PEPR STEEL 
  • Plenary meeting on the 6th Feb in Rennes
  •  
  • SpectrumCoP-WP[1,2,3]
  • Experts meeting on 24-25th Feb in Barcelona
  • Finalizing the recommendations document
  • We are invited
  •  
  • ENSURE TECH-01 call : 
  • Status (?)
  •  
  • MesoClouds RI proposal
  • NTR
 

2. Projects

2.1 CTAO (Luisa, Natthan)

  • NTR

2.2 Biomed (Sorina, Axel)

  • NTR

2.3. Juno

  • First large data processing
  • Heavy load on CS, Sandbox service
  • Extra CS services launched
  • Sandboxes: many jobs rescheduled, some ran twice due to a bug in the JobS state machine (fixed in 8.077) and production managers/shifters aggressively reschedling Failed jobs
  • Need for a transformation validation agent
  • Need to fix transformation monitoring (files in different state), resetting files rather than rescheduling jobs
 

2.4 KM3NeT.org (Vanessa)

  •  
 

4. Conference, workshop, publications

  • CHEP'26, Bangkok, 25-29 May
  • 2 DIRAC related contributions
  • ISGC, Taipei, 15-20 March
 
 

5. Consortium

 
  • NTR
 

6. AOB

  • The next meeting date: 24.02.26 at 14pm
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