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DevOps Pro Europe 2022

May 30 - June 3

Workshops

Online

May 24 - 26

Conference

Vilnius and Online

Ricardo Castro

Positon: Senior SRE

Company: Farfetch

Country: Portugal

Biography

Senior Site Reliability Engineer at Farfetch. MSc in Computer Science by the University of Porto. Certified Kubernetes Administrator (CKA) and Certified Kubernetes Application Developer (CKAD) by the Cloud Native Computing Foundation (CNCF). Working daily to build high-performance, reliable and scalable systems. DevOps Porto meetup co-organizer and DevOpsDays Portugal co-organizer. A strong believer in culture and teamwork. Open source passionate, taekwondo amateur, and metal lover.

Talk

To Delete, or Not to Delete

Pretty regular day, you’re minding you’re own business, you’re in the midst of your own work and you’re asked to help debug a “weird” issue. Apparently, a specific API was responding with “old” responses… half the time.

Issue found and fixed but no root cause. Since it was only one instance, a ticket was added to the backlog to investigate later. The problem was when it started happening time and time again.

Have you ever heard about Finalizers in Kubernetes? This is a tale about a “rogue” managed Kubernetes cluster, Helm deployments, a cloud provider support ticket, and a month and a half of trying to find what was really happening.

Session Keywords

🔑 Kubernetes
🔑 Finalizers