Engineering writeups and incident post-mortems for #tcp.
Articles: 5In-depth engineering analysis: TCP BBR v3 implementation details: packet pacing, inflight estimation and fair competition with CUBIC. Practical diagnostics, logs and production configuration.
In-depth engineering analysis: Linux TCP window scaling and socket buffer auto-tuning. Practical diagnostics, logs and production configuration.
In-depth engineering analysis: TCP BBR vs CUBIC throughput benchmarks on transatlantic lossy links with 2% packet loss. Practical diagnostics, logs and production configuration.
How short-lived inter-service HTTP calls exhausted ephemeral ports and triggered cascading 500 errors.
How omitting keepalive pools towards backends results in ephemeral port exhaustion, TIME_WAIT socket buildup, and a 4x latency penalty at high load.
