X-Git-Url: https://git.openstreetmap.org/chef.git/blobdiff_plain/8e3e7264d0bba3adc61ca88c33d636b0a7605da7..9f27192ef7e2ad5d30cdc3eb9c892fa52dcfd1c5:/roles/jakelong.rb

diff --git a/roles/jakelong.rb b/roles/jakelong.rb
index 5338778e0..ee7a14c20 100644
--- a/roles/jakelong.rb
+++ b/roles/jakelong.rb
@@ -26,6 +26,15 @@ default_attributes(
     :cache_mem => "650 MB",
     :cache_dir => "coss /store/squid/coss-01 15000 block-size=8192 max-size=262144 membufs=30"
   },
+  :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",