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Criteo R&D Supporting The DevOps Community At DevCon 2025
Earlier this month, I had the chance to attend DevCon 2025, one of Romania’s leading technology conferences. Held on November 5–6 in Bucharest, the event gathered IT professionals, developers, and industry leaders for two packed days of sessions, demos, and discussions. For me, it was also a great opportunity to meet my teammates in person,…
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Our recap from SRECon 2025
From October 7–9, 2025, the Convention Centre Dublin hosted SREcon EMEA, the premier gathering for engineers dedicated to site reliability, distributed systems, and operational excellence. Organized by USENIX, this event brought together hundreds of SREs, platform engineers, and infrastructure leaders from across tech companies based in EMEA. The conference is known for its culture of…
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Importance of Graceful Shutdown in Kubernetes
Have you ever deployed a new version of your app in Kubernetes and noticed errors briefly spiking during rollout? Many teams do not even realize this is happening, especially if they are not closely monitoring their error rates during deployments. There is a common misconception in the Kubernetes world that bothers me. The official Kubernetes…
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KubeCon + CloudNativeCon Europe 2025 Recap: Lessons From the Field
A look back at the talks, trends, and tech that defined this year’s CNCF anniversary summit — plus what we’re bringing back to Criteo. Authors: Hamza Boudouche, Basha MOUGAMADOU, Jean-Francois Weber-Marx & Benjamin Arezki KubeCon + CloudNativeCon Europe 2025 took place from April 1–4 at the ExCeL London convention center and brought together over 12,000 attendees from across…
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Enhancing Service Reliability with Feature-Based SLOs: A Comprehensive Approach
In recent years, our focus has been on defining Service Level Objectives (SLOs) for HTTP API endpoints. While this approach has proven beneficial for development teams, it has also had less impact on external customers and product teams. Users typically expect SLOs to be associated with features rather than individual endpoints or services. Communicating the…
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KubeCon + CloudNativeCon Europe’24 notes
The Kubecon + Cloudnative Europe 2024 took place in Paris from March 19 to March 22. This year, the event attracted over 12,000 participants from around the world. Authors: Harold, Geoffrey, Mathieu, Sennen, Flavien, Jonathan, Xavier, Thomas, Amine, Bruno, Dmitry and Michaël. The conference featured keynote speakers, technical sessions, workshops, and networking opportunities designed specifically for…
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Highlights from DevOps BCN 2023
DevOps Barcelona 2023 has been a pivotal event for the industry, bringing together innovators, thought leaders, and experts from around the world to discuss the latest trends, share valuable insights, and foster collaboration in the DevOps community. Join us to discover more about our participation in DevOps Barcelona 2023. That is why we were happy…
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Highlights from DevOpsDays Detroit 2023
DevOpsDays Detroit took place in the heart of Detroit, a city where engineering plays a critical role in the community and its surrounding areas. This conference went beyond the mere discussion of tools and explored the profound cultural impact that DevOps brings to organizations. Our team had the opportunity to meet experts on diverse topics,…
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Highlights from SRECon 2023
SRECon EMEA Africa 2023 took place in Dublin from October 10th to October 12th. It attracted over 650 participants from all over the world. The conference was the perfect moment for keynote speakers, technical sessions, workshops, and networking opportunities for developers, Site Reliability Engineers, and other professionals interested in the world of Site Reliability Engineering.…
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Monitoring microservices — Central Monitoring: A tool for a global view of things
A bit of history Some years ago, Criteo switched from monolithic applications to microservices. With this new architecture comes challenges like monitoring hundreds of applications, all interacting with each other. At Criteo, there are several ways to introduce innovation. One of them is the yearly Hackathon! At the 2020 event, the fantastic Firewatch team aimed to…