30gRPC calls stall whenever one request retransmits. Explain head-of-line blocking in HTTP/2 and what you actually tune.▼medium★ EssentialNewUberNetflixGoogle◆ premiumMultiplexing removes application-level queuing and hands the problem to TCP. Here is where the blocking really lives, the loss math behind it, and the four levers that help.Open full answer →
31Connections through our load balancer reset after exactly 350 seconds of silence. Where do you look and what do you tune?▼mediumNewJPMorgan ChaseInfosysPhonePe◆ premiumA reset at a suspiciously round number is a fingerprint, not a bug. Matching client keepalives to the lowest timer in the path is the fix; here is the full ladder of knobs.Open full answer →
