Isolation in Containers. Linux Primitives that help Achieve It

Docker and Podman configure isolation. The Linux kernel enforces it. A deep dive into namespaces, cgroups, and seccomp. The three primitives that actually hold the boundary.

18 Minutes Apr 11, 2026 3654 Words

Billing and Metering in AI APIs

A deep dive into how billing and metering work in AI APIs, covering token counting, rate limits, and cost attribution strategies

9 Minutes Apr 5, 2026 1908 Words

What Is a Container? The OS-Level Truth Most Engineers Don't Know

Containers are not mini Linux machines. They are processes with namespace isolation and cgroup-enforced resource limits. Here is the kernel-level proof.

8 Minutes Apr 3, 2026 1547 Words

Scaling ID generation with Redis

Learn how to build a high-throughput, distributed ID generator using Redis. Explore atomic increments and Lua scripting to ensure unique, collision-free identifiers at scale while maintaining sub-millisecond latency.

13 Minutes Mar 22, 2026 2758 Words