Lessons From Scheduling 20 Million Windows Containers a Month

Explore the challenges and solutions of scheduling 20 million Windows containers monthly in this 32-minute conference talk by Julian Portillo from Relativity. Gain insights into breaking down a .NET monolith into microservices hosted on Kubernetes, achieving automated vulnerability patching, zero-downtime migrations, and automated failover for critical services. Learn from Relativity's journey, including their mistakes and successes, as they discuss effective application and orchestration design patterns, custom operators for Windows node problem identification, and monitoring strategies. Discover the evolution of their Windows migration strategy, the comparison between Windows 2022 and 2019, and the differences between Containerd and Docker. Walk away with valuable takeaways to apply in your own containerization efforts.

Intro
Whoarewe
What is Relativity?
Migrating Tech Debt
Initial Windows Migration Strategy
Initial Results
Monitoring Difficulties
Solution!
Why did the first shot fail?
Second Version
Windows 2022 vs 2019
Containerd vs Docker
A tale of two designs
Takeaways