X-Git-Url: https://git.openstreetmap.org./chef.git/blobdiff_plain/3a4d52bd4c0f8e6ae7679145846b7bc7845d8ace..f59ba065beebca01875211a01a54692ea7c0b32d:/roles/tilecache.rb

diff --git a/roles/tilecache.rb b/roles/tilecache.rb
index db78d4d76..a76af78a7 100644
--- a/roles/tilecache.rb
+++ b/roles/tilecache.rb
@@ -2,10 +2,23 @@ name "tilecache"
 description "Role applied to all tile cache servers"
 
 default_attributes(
-  :apt => {
-    :sources => [ "nginx" ]
+  :accounts => {
+    :groups => {
+      :proxy => {
+        :members => [:tomh, :grant, :matt, :jburgess]
+      }
+    }
+  },
+  :nginx => {
+    :access_log => false
   },
   :sysctl => {
+    :sockets => {
+      :comment => "Increase size of connection queue",
+      :parameters => {
+        "net.core.somaxconn" => 10000
+      }
+    },
     :network_conntrack_time_wait => {
       :comment => "Only track completed connections for 30 seconds",
       :parameters => {
@@ -15,19 +28,46 @@ default_attributes(
     :network_conntrack_max => {
       :comment => "Increase max number of connections tracked",
       :parameters => {
-        "net.netfilter.nf_conntrack_max" => "131072"
+        "net.netfilter.nf_conntrack_max" => "524288"
+      }
+    },
+    :network_local_port_range => {
+      :comment => "Increase available local port range",
+      :parameters => {
+        "net.ipv4.ip_local_port_range" => "1024\t65535"
+      }
+    },
+    :network_tcp_timewait_reuse => {
+      :comment => "Allow tcp timewait reuse",
+      :parameters => {
+        "net.ipv4.tcp_tw_reuse" => 1
       }
     },
     :squid_swappiness => {
       :comment => "Prefer not to swapout to free memory",
       :parameters => {
-        "vm.swappiness" => "30"
+        "vm.swappiness" => "1"
+      }
+    },
+    :sched_wakeup => {
+      :comment => "Tune scheduler",
+      :parameters => {
+        "kernel.sched_min_granularity_ns" => "10000000",
+        "kernel.sched_wakeup_granularity_ns" => "15000000"
+      }
+    }
+  },
+  :tools => {
+    :cron => {
+      :load => {
+        :nice => 19,
+        :io_scheduling_class => "best-effort",
+        :io_scheduling_priority => 7
       }
     }
   }
 )
 
 run_list(
-  "role[geodns]",
   "recipe[tilecache]"
 )