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May 8 – 12, 2023
Norfolk Waterside Marriott
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Version control and DevOps platform for accelerator and experiments: experience and outlook

May 9, 2023, 12:00 PM
Chesapeake Meeting Room (Norfolk Waterside Marriott)

Chesapeake Meeting Room

Norfolk Waterside Marriott

235 East Main Street Norfolk, VA 23510
Oral Track 5 - Sustainable and Collaborative Software Engineering Track 5 - Sustainable and Collaborative Software Engineering


Posada Trobo, Ismael (CERN)


GitLab has been running at CERN since 2012. It is a self-service code hosting application based on Git that provides collaboration and code review features, becoming one of the key infrastructures at CERN. It is being widely used at CERN, with more than 17 000 active users, hosting more than 120 000 projects and triggering more than 5 000 jobs per hour.

On its initial stage, a custom-made solution has been deployed that, aligned with the exponential increase of projects, workflows and continuous integrations, made the GitLab infrastructure hard and complex to scale and to maintain.

The recent migration performed, adopting a new supported Cloud Hybrid infrastructure, has contributed CERN to line up the GitLab infrastructure with both industry standards and best practices, to make the new infrastructure much more robust and performant, obtaining notable benefits in the whole deployment process.

This paper will address how this deployment process, on the road to success, has presented a series of challenges and pitfalls that have been faced during this complex migration process.

Consider for long presentation No

Primary author

Presentation materials

Peer reviewing