X-Git-Url: https://git.openstreetmap.org./chef.git/blobdiff_plain/8e3e7264d0bba3adc61ca88c33d636b0a7605da7..6f26052c85ad56d492fd52d8d9ef1096a9147974:/roles/nepomuk.rb

diff --git a/roles/nepomuk.rb b/roles/nepomuk.rb
index 3c7d3ccf9..d80c2d314 100644
--- a/roles/nepomuk.rb
+++ b/roles/nepomuk.rb
@@ -22,6 +22,15 @@ default_attributes(
       }
     }
   },
+  :sysctl => {
+    :kvm => {
+      :comment => "Tuning for KVM guest",
+      :parameters => { 
+        "kernel.sched_min_granularity_ns" => 10000000,
+        "kernel.sched_wakeup_granularity_ns" => 15000000
+      }
+    }
+  },
   :squid => {
     :cache_mem => "7500 MB",
     :cache_dir => "coss /store/squid/coss-01 128000 block-size=8192 max-size=262144 membufs=80"
@@ -30,7 +39,7 @@ default_attributes(
     :hdd_tune => {
       :comment => "Tune the queue for improved performance",
       :parameters => {
-        "block/vda/queue/nr_requests" => "64",
+        "block/vda/queue/nr_requests" => "128",
         "block/vda/queue/scheduler" => "deadline"
       }
     }