Understanding Tail Latency in Distributed Systems
January 15, 2026Why p99 latency matters more than average, and what you can do about it in practice.
Occasional thoughts on software, infrastructure, and engineering.
Why p99 latency matters more than average, and what you can do about it in practice.
From sockets to packets — tracing a request through the kernel networking stack.
What I learned after three years of on-call about alerts, dashboards, and observability.