- :parameters => {
- "kernel.shmmax" => 16 * 1024 * 1024 * 1024,
- "kernel.shmall" => 16 * 1024 * 1024 * 1024 / 4096
+ :parameters => {
+ "kernel.shmmax" => 26 * 1024 * 1024 * 1024,
+ "kernel.shmall" => 26 * 1024 * 1024 * 1024 / 4096
+ }
+ },
+ :kernel_scheduler_tune => {
+ :comment => "Tune kernel scheduler preempt",
+ :parameters => {
+ "kernel.sched_min_granularity_ns" => 10000000,
+ "kernel.sched_wakeup_granularity_ns" => 15000000
+ }
+ },
+ :swappiness => {
+ :comment => "Reduce swap usage",
+ :parameters => {
+ "vm.swappiness" => 10