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The vast majority of Kubernetes controllers make use of a WATCH and UPDATE pattern, which is a highly scalable client-pull based pattern. “Highly” does not mean “infinite”, and the spread of this pattern has led to a number of implicit design guarantees that operators build on. In this talk, the Container Orchestration team at Robinhood will cover the exploration of the boundaries of this pattern, how second order effects result in service degradation in production, and best practices for monitoring, detecting, debugging and addressing these issues. With examples drawn from real outages, the team will present lessons learned for organizations of all sizes.
Madhu is the Tech Lead for the Software Platform - Container Orchestration team at Robinhood which is responsible for developing and operating the Kubernetes-based compute infrastructure for all of Robinhood. Prior to Robinhood, Madhu worked at Google for 8 years where he developed... Read More →
