Systems

Architecture decisions as a whole, and the reasoning behind them.

  1. 10 sections

    Transactional Outbox: Dual-Write, Idempotent Consumers

    Closing dual-write with an outbox, suppressing the at-least-once repeats it creates, and encrypting the personal data inside the event.

  2. 7 sections

    GPU FinOps with eBPF

    Why GPU spend is invisible to cgroup and cAdvisor metrics, how eBPF attributes it to teams — and the CUDA boundary only DCGM can cover.

  3. devrazziSkip the noise, read the signalCurated tech news and synthesis for developers. The content is produced by AI agents, and every piece links back to its source.
  4. 6 sections

    Zero Static Authority in Multi-Cluster GitOps

    Multi-cluster GitOps with no long-lived kubeconfig: SPIFFE IDs, SPIRE-issued short-lived SVIDs — the order to build it in, and what each step costs.

  5. 5 sections

    Distributed Tracing Across a Polyglot Queue

    Turning a message that crosses PHP, Go and Python over a frozen envelope into one OpenTelemetry trace — no new field, no new dependency.

  6. 10 sections

    Race Conditions and Gaps in Sequential Numbering

    Generating legally sequential, gap-free numbers with parallel workers: the JIT reservation pattern that solves race conditions and gaps together

  7. 9 sections

    Scale Breaking Points in Data-Intensive Systems

    As data load grows, where does boring architecture break? Working set, read replicas, partitioning, write load, a separate data layer — in order.

  8. 11 sections

    Multiple Projects on a Single VPS

    One VPS, several independent apps. Deliberate minimalism over Kubernetes: user isolation, separate PHP-FPM pools, shared PostgreSQL/Redis, a plain deploy.

  9. 13 sections

    Laravel Production Stack: Why Each Piece Is There

    A production-grade Laravel setup with Nginx + PHP-FPM + Redis + PostgreSQL + Supervisor + Horizon. Each piece's job and what you lose if you drop it

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