Systems5 Aug 2026The latency was in the serialiser (it usually is)A tail-latency investigation that went through the network stack, the scheduler, and the garbage collector before finding the answer in the least interesting layer in the system.Editorial8 min read
Systems29 Jul 2026Cache invalidation is a naming problemThe joke says there are two hard problems. There is really only one, and the second is the first wearing a different hat.Editorial6 min read