X-Git-Url: https://git.openstreetmap.org/chef.git/blobdiff_plain/05dc3656cc318d5f690b2b7812af355d3ccaa2d1..f7b2ae2fb1b1879c185bdfef277fcd358b385f3f:/roles/nadder-01.rb

diff --git a/roles/nadder-01.rb b/roles/nadder-01.rb
index b61d80644..d1e3760a1 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"
       }
@@ -30,7 +39,14 @@ default_attributes(
     :cache_dir => "coss /store/squid/coss-01 128000 block-size=8192 max-size=262144 membufs=80"
   },
   :tilecache => {
-    :tile_parent => "provo.render.openstreetmap.org"
+    :tile_parent => "provo.render.openstreetmap.org",
+    :tile_siblings => [
+      "nadder-02.openstreetmap.org",
+      "stormfly-02.openstreetmap.org",
+      "jakelong.openstreetmap.org",
+      "nepomuk.openstreetmap.org",
+      "lurien.openstreetmap.org"
+    ]
   }
 )