tilecache: increase somaxconn

[chef.git] / roles / tilecache.rb

diff --git a/roles/tilecache.rb b/roles/tilecache.rb
index 38dea9b12041d0b44186e02d4cd50c24f3538cc0..645d107d0e57c7706730e0aae1b4e42c7be61587 100644 (file)
--- a/roles/tilecache.rb
+++ b/roles/tilecache.rb
@@ -12,10 +12,19 @@ default_attributes(
   :apt => {
     :sources => ["nginx"]
   },
+  :networking => {
+    :tcp_fastopen_key => "tile"
+  },
   :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 => {
@@ -25,7 +34,7 @@ default_attributes(
     :network_conntrack_max => {
       :comment => "Increase max number of connections tracked",
       :parameters => {
-        "net.netfilter.nf_conntrack_max" => "262142"
+        "net.netfilter.nf_conntrack_max" => "524288"
       }
     },
     :network_local_port_range => {
@@ -45,6 +54,13 @@ default_attributes(
       :parameters => {
         "vm.swappiness" => "30"
       }
+    },
+    :sched_wakeup => {
+      :comment => "Tune scheduler",
+      :parameters => {
+        "kernel.sched_min_granularity_ns" => "10000000",
+        "kernel.sched_wakeup_granularity_ns" => "15000000"
+      }
     }
   }
 )