X-Git-Url: https://git.openstreetmap.org/chef.git/blobdiff_plain/e29e45b6cf7d91f3349a22b41e6ee5b23887e922..5b3255591fe355642dcb2278831a394b2755019b:/roles/tilecache.rb

diff --git a/roles/tilecache.rb b/roles/tilecache.rb
index a2e595f3b..adce84808 100644
--- a/roles/tilecache.rb
+++ b/roles/tilecache.rb
@@ -19,6 +19,12 @@ default_attributes(
     :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 => {
@@ -46,7 +52,14 @@ default_attributes(
     :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"
       }
     }
   }