+ :sysctl => {
+ :kvm => {
+ :comment => "Tuning for KVM guest",
+ :parameters => {
+ "kernel.sched_min_granularity_ns" => 10000000,
+ "kernel.sched_wakeup_granularity_ns" => 15000000
+ }
+ }
+ },
+ :sysfs => {
+ :hdd_tune => {
+ :comment => "Tune the queue for improved performance",
+ :parameters => {
+ "block/xvda/queue/nr_requests" => "128",
+ "block/xvda/queue/scheduler" => "deadline"
+ }
+ }
+ },