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Deep, recent reads ranked by depth and freshness.

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  1. 01Martin Fowler · architecture

    When Software Meets Hardware

    A software engineering team modernizing a large-scale retail IoT system of 800,000 battery-powered sensors faced challenges integrating software practices with embedded hardware. By building physical sensor farms, virtual emulators, and self-diagnosing firmware, the team learned to design for intermittent connectivity, power efficiency, and fleet-level observability. The project succeeded by treating the physical world, hardware constraints, and engineering environments as core parts of the system lifecycle.

    DEPTH ■■■■■12 min read10 days ago

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  2. 02Martin Fowler · performance

    Are Harnesses Worth the Cost?

    An experiment was conducted to evaluate whether behavioral harnesses improve coding agent reliability when building a complex backend-for-frontend service. While frontier models succeeded consistently with or without a harness, the harness significantly increased token usage, time, and cost without improving final output. However, for a cost-optimized model, the harness improved success rates from 30 percent to 100 percent.

    DEPTH ■■■■■17 min read12 days ago

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  3. 03Kubernetes · migration

    The Shift to cgroup v2 in Kubernetes: What You Need to Know

    Kubernetes has deprecated cgroup v1 in favor of cgroup v2, with complete removal scheduled for future releases. The transition requires migrating Linux nodes, updating container runtimes, and verifying kernel compatibility. Adopting cgroup v2 enables advanced features such as Memory QoS, improved OOM handling, and pressure stall information metrics.

    DEPTH ■■■■■12 min read2 weeks ago

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  4. 04Kubernetes · scaling

    Scaling Kubernetes Workloads with Node Swap

    Kubernetes memory limits often cap node density for bursty agentic AI workloads that sit idle with large memory footprints. To solve this, the engineering team benchmarked Kubernetes v1.34 node swap backed by fast NVMe Local SSDs across CI/CD builds, headless browsers, and Python sandboxes. The approach successfully increased pod density up to three times without significant latency costs.

    DEPTH ■■■■■6 min read2 weeks ago

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