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Compte rendu réunion DIRAC@IN2P3
Mardi 24 Fevrier 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
The 2026 DIRAC@IN2P3 budget is approved at 12K euros - to be confirmed.
1.1 Versions :
- DIRAC v8.0.78 from (8.0.76)
- Minor fixes
- DIRAC v9.0.20 (from 9.0.16)
- Minor fixes
- DIRACX Release v0.0.9 (from 0.0.7)
- Mostly bug fixes and chores
- Added Replica mapping Pydantic model (see FC discussion below)
1.2 Developments :
- The last Ddev meeting https://indico.cern.ch/category/20884/
- Following the "sprints" method
- multiple issues are in the works
- participating: Natthan, Luisa, Stella, Loris, Heloise, Mazen
- Reports
- Luisa: the procedure actually helps to plan the work, describe and understand the issue, manage availability of the developers
- Mazen: Task - add tests for the Job commands. Sprint method is efficient and widely used. Discussions around the tasks with colleagues is quite helpful
- Heloise: Clean up Auth databases. Sprint: efficient to grasp the context of the tasks in discussions with colleagues
- IN2P3 contributions
- DMS/File Catalog porting (Andrei, Heloise, Bertrand ? )
- F2F meeting at CC to discuss details
- (from the previous meeting, reminder)
- 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
- diracx-cwl (Luisa, Natthan, Loris, Stella)
- How to accelerate the diracx WMS full-fledged system ?
- Status
- Experimental JobWrapper is merged which interprets the CWL job description. The wrapper involves the cwltool to execute the job flow. A DIRAC CWL executor is planned to allow both local and "on WN" execution with access to input data (Stella).
- Job Status reporting in the new CWL job wrapper (Loris).
- This will allow to fully execute CWL jobs.
- CWL for Transformation to follow: machinery, user interfaces, input data resolution, using CWL hints for any DIRAC specific extensions, e.g. file catalog to be used.
- Deployment with K8s (Bertrand)
- Status
- Issues with Opensearch access with certificates - the implementation is to be added to diracx-charts.
- Issues with the use of common prefix for OS.
- Reviews Ddop
- SSHCE, SSHBatchCE
- Matching
1.3. EGI Services:
- The service itself is running smoothly
- Some problems with the CVMFS uploader at RAL resulting in delays of DIRAC software release deployment.
- Service splitting (Vanessa)
- Hosts are ready with DIRAC8 software installed
- DIRAC@IN2P3 service
- Finalizing, to go production in ...
- Site GocDB is created
- Km3NET is the first community to use it
- The File Catalog contents to be migrated
- DIRAC4EGI service
- Should find the date for downtime to migrate the service
- after the DIRAC@IN2P3 deployment
- Warn the EGI CM admins
- Perform the migration
- Resources
- File Catalogs
- FITS DIRAC service
- DIRAC9+diracx installation started but blocked with the OS access problems
- 10th March - CC downtime planned
1.4. European/National Projects :
- GreenDIGIT (Mazen)
- Using job traces of jobs in the ES of the CC
- to report to the GreenDIGIT database
- to simulate various scenarious of job scheduling
- Scheduling algorithms:
- Prioritizing sites with high GreenScore
- Delayed scheduling to use less polluting periods (day vs nights hours)
- PEPR STEEL (Andrei)
- Plenary meeting on the 6th Feb in Rennes
- Smart scheduling of tasks analyzing smartly places data
- We have to find a proper topic in the "project continuum" to work on.
- Several "theoretical" PhD stopics presented in the meeting
- Discussions are planned with the management
- SpectrumCoP-WP[1,2,3] (Andrei, Vanessa)
- Experts meeting on 24-25th Feb in Barcelona
- Finalizing the documents
- Bleuprint
- SRIDA roadmap
- Feedback pool still ongoing
- Plan to answer
- ENSURE TECH-01 call (Sorina):
- Status
- Participants CNRS: CREATIS, CPPM
- GreenDIGIT continuation: optimize the resource usage as far as eco-impact is concerned.
- MesoClouds RI proposal
- NTR
2. Projects
2.1 CTAO (Luisa, Natthan)
- Status
- Working on HELM charts for DIRAC9/diracx for CTAO preserving existing databases.
- Volodymir will report in the next Dops on the setup developed for the CTAO.
2.2 Biomed (Sorina, Axel)
- NTR
2.3. Juno (Andrei)
- Discussion on the production activities organization
- Roles of shifters
2.4 KM3NeT.org (Vanessa)
- Status
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: 31.03.26 at 14pm
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