--- # file: host_vars/x.x.x.x.yaml hostname: "t1-tg1" grub: - isolcpus: "1-27,29-55,57-83,85-111" - nohz_full: "1-27,29-55,57-83,85-111" - rcu_nocbs: "1-27,29-55,57-83,85-111" sysctl: - kernel: - watchdog_cpumask: "0,28,56,84" - vm: - nr_hugepages: 4096 - max_map_count: 20000