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Zoom on ingress flows to old IP
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Classroom Contents
Debugging Complex Kubernetes Incidents - When It's Not DNS
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- 1 Intro
- 2 Metries service errors during rollouts
- 3 Applications involved
- 4 DNS setup
- 5 Too many queries at startup?
- 6 Networking issues?
- 7 Let's test with network optimized instances
- 8 What about bigger instances?
- 9 VPC Flow Logs
- 10 Zoom on ingress flows to old IP
- 11 What about egress?
- 12 Routing on nodes
- 13 Stable state
- 14 What about traffic to old IP?
- 15 Let's simulate
- 16 Reverse Path filtering
- 17 2 questions
- 18 RPC setup
- 19 DNS propagation time during Rollouts
- 20 Reconnection differences
- 21 Lessons Learned
