DNS Failure Observability and Diagnosis in Kubernetes

DNS Failure Observability and Diagnosis in Kubernetes

Explore DNS failure observability and diagnosis in Kubernetes clusters through this informative conference talk. Delve into common DNS lookup failure scenarios and learn about CoreDNS's built-in observability plugins. Discover novel approaches for monitoring and diagnosing DNS issues, including the use of DNSTAP protocol and eBPF-based tools. Gain insights into diagnostic procedures and best practices for addressing DNS failures in large-scale Kubernetes environments. Understand the various types of DNS resolution problems, their root causes, and effective methods for troubleshooting and resolving them in both intermittent and continuous failure scenarios.