tldr - powered by Generative AI

• The Golden Signal Dashboard is a standard way of monitoring infrastructure for publicly available services.
• The four golden signals that matter are latency, traffic or throughput, errors, and saturation.
• Kubernetes Service Implementation allows for multiple pod replicas to be exposed via a single IP and DNS name.
• Network policies can cause problems that are hard to detect without proper observability tools.
• Hubble UI and Hubble Observe CLI are useful tools for troubleshooting network issues.

tldr - powered by Generative AI

• Stateful workloads are becoming more common in Kubernetes, and it is important to ensure consistency and accessibility of data as pods are refreshed or updated.
• The presentation covers volumes, persistent volume claims, storage classes, provisioners, and volume plugins as the fundamentals of Kubernetes storage.
• Participants are given the task of deploying an application with a front-end and back-end database, and troubleshooting any issues that arise.
• Debugging commands and resources are provided to assist with troubleshooting.
• The presentation also touches on storage performance and data protection.
• The slides and labs are available on GitHub and Instruct for further reference.

tldr - powered by Generative AI

• Custom resources are used to extend the K8s API server with a declarative API
• Initial attempts to install thousands of CRDs revealed severe performance issues related to the API server
• Profiling tools can be used to troubleshoot API server performance issues
• Real world data can help pinpoint the root causes of scaling issues
• Insights into the mechanics of CRDs are provided
• Tips for getting changes into upstream and moving the ecosystem forward are shared