Bulkheads

Isolate resources, such as thread pools or instances, per dependency or per customer, so one overloaded part cannot sink the others, like compartments in a ship.

Where it shows up in real systems

  • Container service

    Each replica gets a slice of CPU and memory, so you scale in small steps. The orchestrator restarts crashed replicas and spreads them across zones.

    In production: Kubernetes Deployment, Amazon ECS on Fargate, Google Cloud Run, Azure Container Apps

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