
A Strategic Shard for the Listen Socket: Scaling Multi-Core Servers with SO_REUSEPORT
Exposing the performance limitations of the single-acceptor model and how kernel-level socket sharding enables true parallel connection handling across CPU cores.
Articles, guides, and thoughts on web development and technology

Exposing the performance limitations of the single-acceptor model and how kernel-level socket sharding enables true parallel connection handling across CPU cores.

Your database performance isn't just about query optimization; it’s about the silent I/O storm that triggers every time your WAL reaches its threshold.
Move your security logic into the kernel to drop malicious traffic before it ever incurs the performance penalty of a context switch or memory allocation.

Why your Node.js watch scripts silently fail in massive monorepos and how to audit the Linux VFS resources that govern file system observation.

Your icon library might be the hidden reason your Lighthouse score is tanking—here is why componentizing every path is a recipe for DOM bloat.

Your containerized app is stuttering despite having plenty of CPU headroom—here is why the Linux kernel is secretly stalling your threads.

Discover why the browser's idle scheduler is often the hidden culprit behind poor interaction latency and how to truly keep your main thread responsive.

Explore why the Linux kernel replaced its 15-year-old scheduler and how the new EEVDF algorithm manages process 'lag' to protect latency-sensitive applications.

Just-In-Time compilation sounds like a free win, but for high-frequency short queries, it’s often the hidden source of your P99 latency spikes.

Adding a non-nullable column to a massive table seems trivial, but the hidden Access Exclusive lock can paralyze your production database for minutes.