+ "vm.swappiness" => "1"
+ }
+ },
+ :sched_wakeup => {
+ :comment => "Tune scheduler",
+ :parameters => {
+ "kernel.sched_min_granularity_ns" => "10000000",
+ "kernel.sched_wakeup_granularity_ns" => "15000000"
+ }
+ },
+ :no_tcp_slow_start => {
+ :comment => "REMOVE ME: Temporary Reset TCP slow start back to kernel default",
+ :parameters => {
+ "net.ipv4.tcp_slow_start_after_idle" => "1",
+ "net.ipv4.tcp_no_metrics_save" => "0"
+ }
+ },
+ :tcp_use_bbr => {
+ :comment => "Use TCP BBR Congestion Control",
+ :parameters => {
+ "net.core.default_qdisc" => "fq",
+ "net.ipv4.tcp_congestion_control" => "bbr"