nadder: Decrease scheduler queue depth to improve latency
[chef.git] / roles / nadder-02.rb
index 3fa156be3b51ad9a39f8d77790067c35f13c1a36..07c2c71457fcb2468cfc76d305cef40ca2c0e165 100644 (file)
@@ -18,8 +18,8 @@ default_attributes(
     :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" => "64",
+        "block/vdb/queue/nr_requests" => "64",
         "block/vda/queue/scheduler" => "deadline",
         "block/vdb/queue/scheduler" => "deadline"
       }
@@ -32,7 +32,10 @@ default_attributes(
   :tilecache => {
     :tile_parent => "provo.render.openstreetmap.org",
     :tile_siblings => [
-      "nadder-01.openstreetmap.org"
+      "nadder-01.openstreetmap.org",
+      "jakelong.openstreetmap.org",
+      "nepomuk.openstreetmap.org",
+      "lurien.openstreetmap.org"
     ]
   }
 )