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Decentralized systems observability has always been challenging. Dealing with latency, failures etc became increasingly complex. The more abstraction a decentralized system has, the more difficult it is to reason about it. Kubernetes observability is possible thanks to eBPF (Extended Barkley Packet Filter) A protocol that makes the kernel programmable in a safe and performant way. Here is a simplified sequence diagram showing critical points where we put our observability points, gateways of insight.