+ "vm.swappiness" => "1"
+ }
+ },
+ :sched_wakeup => {
+ :comment => "Tune scheduler",
+ :parameters => {
+ "kernel.sched_min_granularity_ns" => "10000000",
+ "kernel.sched_wakeup_granularity_ns" => "15000000"
+ }
+ }
+ },
+ :tools => {
+ :cron => {
+ :load => {
+ :nice => 19,
+ :io_scheduling_class => "best-effort",
+ :io_scheduling_priority => 7