--- # file: host_vars/10.30.51.16.yaml hostname: "t1-tg1" grub: isolcpus: "1-17,19-35" nohz_full: "1-17,19-35" rcu_nocbs: "1-17,19-35" sysctl: kernel: watchdog_cpumask: "0,18" vm: nr_hugepages: 4096 max_map_count: 20000