X-Git-Url: https://git.openstreetmap.org./chef.git/blobdiff_plain/cf4df7d837590107e6eb22b63f516d2658a74bdb..0d9bec04a63b9ea941f4c263e0d3bc9487444b8f:/roles/nepomuk.rb

diff --git a/roles/nepomuk.rb b/roles/nepomuk.rb
index f0bf039cf..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"
@@ -30,13 +39,18 @@ 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"
       }
     }
   },
   :tilecache => {
-    :tile_parent => "lyon.render.openstreetmap.org"
+    :tile_parent => "lyon.render.openstreetmap.org",
+    :tile_siblings => [
+      "trogdor.openstreetmap.org",
+      "lurien.openstreetmap.org",
+      "tabaluga.openstreetmap.org"
+    ]
   }
 )