+ },
+ :kernel_scheduler_tune => {
+ :comment => "Tune kernel scheduler preempt",
+ :parameters => {
+ "kernel.sched_min_granularity_ns" => 10000000,
+ "kernel.sched_wakeup_granularity_ns" => 15000000
+ }
+ },
+ :tcp_use_bbr => {
+ :comment => "Use TCP BBR Congestion Control",
+ :parameters => {
+ "net.core.default_qdisc" => "fq",
+ "net.ipv4.tcp_congestion_control" => "bbr"
+ }