Pavel Smirnov — notes Notes on Go, Linux internals, networking, and distributed systems. https://taillatency.net/ 2026-04-24T12:06:53Z Pavel Smirnov p@smirnov.dev © 2026 Pavel Smirnov Deep dive: eBPF for zero-overhead network flow monitoring tag:taillatency.net,2026:/posts/ebpf-network-monitoring 2026-04-18T07:41:39Z 2026-04-18T07:41:39Z How to attach XDP and TC hooks to capture per-flow statistics with sub-microsecond overhead — without touching user space. Profiling Go services in production with pprof and Flamegraph tag:taillatency.net,2026:/posts/go-pprof-flamegraph 2026-04-02T11:38:26Z 2026-04-02T11:38:26Z A practical guide to continuous profiling: from runtime/pprof and the HTTP handler, through FlameGraph generation, to reading the output without going blind. Linux TCP tuning for high-throughput servers: BBR, buffer sizing, and fast open tag:taillatency.net,2026:/posts/tcp-bbr-tuning 2026-03-07T08:45:22Z 2026-03-07T08:45:22Z Congestion control algorithms, socket buffer math, and the net.core.* knobs that actually matter.