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 →
33One app instance keeps flapping out of the load balancer pool, yet between bursts it serves traffic happily. Where do you look?▼mediumNewLinkedInNetflixAtlassian◆ premiumSelf-healing unavailability is a timeout arithmetic story. Pull the balancer's removal timestamps, lay them against the GC log, and the pause that ejects the instance will be sitting there in plain sight.Open full answer →
