X-Git-Url: https://git.openstreetmap.org/chef.git/blobdiff_plain/d29e6aa0b03a30551cbbdadc9354aedd4231929d..3d2e0b4fc4b43a257f31c8d69bd672a98b8f14ec:/roles/nadder-01.rb

diff --git a/roles/nadder-01.rb b/roles/nadder-01.rb
index 8eb9d562f..c687a9fe8 100644
--- a/roles/nadder-01.rb
+++ b/roles/nadder-01.rb
@@ -14,12 +14,21 @@ default_attributes(
       }
     }
   },
+  :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/vda/queue/nr_requests" => "512",
-        "block/vdb/queue/nr_requests" => "512",
+        "block/vda/queue/nr_requests" => "128",
+        "block/vdb/queue/nr_requests" => "128",
         "block/vda/queue/scheduler" => "deadline",
         "block/vdb/queue/scheduler" => "deadline"
       }