Tune apache on shenron

[chef.git] / roles / nepomuk.rb

diff --git a/roles/nepomuk.rb b/roles/nepomuk.rb
index 8d64f6ac3684538ddc396dfa847439b8b4f2a28e..2874079b16e3cb8e695a875bbfbb87579dbbff84 100644 (file)
--- 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"
@@ -30,8 +39,8 @@ default_attributes(
     :hdd_tune => {
       :comment => "Tune the queue for improved performance",
       :parameters => {
-        "block/vda/queue/nr_requests" => "512",
-       "block/vda/queue/scheduler" => "noop"
+        "block/vda/queue/nr_requests" => "128",
+        "block/vda/queue/scheduler" => "deadline"
       }
     }
   },
@@ -39,8 +48,10 @@ default_attributes(
     :tile_parent => "lyon.render.openstreetmap.org",
     :tile_siblings => [
       "trogdor.openstreetmap.org",
-      "lurien.openstreetmap.org",
-      "tabaluga.openstreetmap.org"
+      "katie.openstreetmap.org",
+      "konqi.openstreetmap.org",
+      "ridgeback.openstreetmap.org",
+      "gorynych.openstreetmap.org"
     ]
   }
 )