X-Git-Url: https://git.openstreetmap.org/chef.git/blobdiff_plain/78e29ff52119417c16425562cead9eb4c77bc1ea..ff044920428608b2c04507ad52d6ab52c9d6555f:/roles/nadder-01.rb

diff --git a/roles/nadder-01.rb b/roles/nadder-01.rb
index d596a1a6e..97e02def6 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" => "64",
-        "block/vdb/queue/nr_requests" => "64",
+        "block/vda/queue/nr_requests" => "128",
+        "block/vdb/queue/nr_requests" => "128",
         "block/vda/queue/scheduler" => "deadline",
         "block/vdb/queue/scheduler" => "deadline"
       }