https://jasper-aa64.github.io/tags/nohz-full/Recent content in Nohz-Full on JasperHugoen-usWed, 09 Sep 2026 00:00:00 +0000https://jasper-aa64.github.io/posts/cpu-affinity-core-isolation-numa/Wed, 09 Sep 2026 00:00:00 +0000https://jasper-aa64.github.io/posts/cpu-affinity-core-isolation-numa/The enemy of a low-latency system is jitter, not the mean. The goal is to make your hot thread the only thing that will ever run on its core: pinning kills migration cost, the isolation stack evicts the tick / RCU / interrupts one layer at a time, disabling SMT and locking frequency removes the core’s own variability, and share-nothing sidesteps NUMA entirely.