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Leader Election Split-Brain in Multi-Region Control Planes : Observability Blind Spots During Incidents

GoetcdgRPCPrometheus

Problem Breakdown

The systemic weakness is that observability is built for the happy path: metrics, traces, and logs are wired up under normal conditions, then discovered to be insufficient exactly when an incident starts. When a multi-region control plane loses its inter-region consensus link, both datacenter partitions run leader elec…

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