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I share my thoughts, travel experiences, food recipes, and technical learnings using clear mental models and maps.

Recent publications

Embracing TDD in Agent-Driven Software Development

Apr 23, 2026

Why TDD matters more, not less, when agents can write code at absurd speed, and how tight feedback loops keep velocity from turning into expensive chaos.

Tech

Redis Streams as a Queue: Where It Fits and Where It Breaks

Apr 23, 2026

A practical guide to using Redis Streams as a queuing system: durability, delivery semantics, ordering, consumer rebalancing, and when to choose something else.

Tech

Kubernetes Node Internals — Part 5: CSI, Volumes, and Mounts on the Node

Apr 2, 2026

Part 5 of a 5-part series: how kubelet, CSI, and the Linux mount system turn a Pod volume spec into a real mounted filesystem on the node.

Tech

Kubernetes Node Internals — Part 4: Keeping It Alive

Mar 30, 2026

Part 4 of a 5-part series: heartbeats, probes, cAdvisor, node pressure, evictions, OOM kills, and the survival logic that keeps a node functioning.

Tech

Kubernetes Node Internals — Part 3: Pod Lifecycle

Mar 26, 2026

Part 3 of a 5-part series: the full birth sequence of a Pod, from scheduler decision and pause container to CNI wiring, overlayfs, and a running process.