Nullhaus

The Library

Cloud & Infrastructure

Everything Nullhaus has published in this pillar. Free, open, no login. Back to the library

  • Serving a model is a capacity problem

    Serving a model is a capacity problem

    Model serving gets operated like a stateless web service, and it does not behave like one. One request is two different workloads, the memory constraint moves…

  • Multi-AZ is not a blast radius argument

    Multi-AZ is not a blast radius argument

    Spreading across availability zones protects you from one specific fault: a facility going away. It does nothing about the things every zone shares, and in most…

  • Reachability is a property of the graph, not of the rule

    Reachability is a property of the graph, not of the rule

    Nobody can answer whether one host can reach another by reading rules, because reachability is not stored anywhere. It is the composition of five independent layers,…

  • Your IAM policy is a graph, not a list

    Your IAM policy is a graph, not a list

    Reviewing permissions one policy at a time will never show you the path from a build runner to organization admin. That path is made of edges,…

  • Multi-cloud is a bill, not a strategy

    Multi-cloud is a bill, not a strategy

    For most organizations, running multi-cloud as a default posture is a tax you pay every day for insurance you almost never claim. Default to one cloud,…