X-Git-Url: https://git.openstreetmap.org./chef.git/blobdiff_plain/a7d96c8358a00088b485fadb5966eb4b231d2ff1..33276255a80e64d9e70abb265f85317e52f0eac1:/roles/nominatim.rb

diff --git a/roles/nominatim.rb b/roles/nominatim.rb
index 401f1f755..9564e1183 100644
--- a/roles/nominatim.rb
+++ b/roles/nominatim.rb
@@ -1,34 +1,47 @@
 name "nominatim"
-description "Role applied to all nominatim servers"
+description "Role applied to all nominatim servers."
 
 default_attributes(
   :accounts => {
     :users => {
       :lonvia => { :status => :administrator },
-      :twain => { :status => :administrator }
+      :twain => { :status => :administrator },
+      :nominatim => {
+        :status => :role,
+        :members => [:lonvia, :tomh, :twain]
+      }
     }
   },
   :apache => {
     :mpm => "event",
     :timeout => 60,
     :keepalive => false,
+    :reqtimeout => true,
     :event => {
-      :max_clients => 560,
-      :threads_per_child => 35
+      :server_limit => 32,
+      :max_request_workers => 1600,
+      :threads_per_child => 50,
+      :min_spare_threads => 125,
+      :max_spare_threads => 925
     }
   },
   :apt => {
-    :sources => [ "ubuntugis-stable", "ubuntugis-unstable" ]
+    :sources => ["postgresql"]
+  },
+  :networking => {
+    :firewall => {
+      :http_rate_limit => "s:7/sec:15"
+    }
   },
   :postgresql => {
-    :versions => [ "9.1" ],
     :settings => {
       :defaults => {
         :max_connections => "450",
         :synchronous_commit => "off",
-        :checkpoint_segments => "50",
+        :checkpoint_segments => "32",
         :checkpoint_timeout => "10min",
         :checkpoint_completion_target => "0.9",
+        :shared_buffers => "2GB",
         :autovacuum_max_workers => "1"
       }
     }
@@ -36,14 +49,39 @@ default_attributes(
   :sysctl => {
     :postgres => {
       :comment => "Increase shared memory for postgres",
-      :parameters => { 
-        "kernel.shmmax" => 16 * 1024 * 1024 * 1024,
-        "kernel.shmall" => 16 * 1024 * 1024 * 1024 / 4096
+      :parameters => {
+        "kernel.shmmax" => 26 * 1024 * 1024 * 1024,
+        "kernel.shmall" => 26 * 1024 * 1024 * 1024 / 4096
+      }
+    },
+    :kernel_scheduler_tune => {
+      :comment => "Tune kernel scheduler preempt",
+      :parameters => {
+        "kernel.sched_min_granularity_ns" => 10000000,
+        "kernel.sched_wakeup_granularity_ns" => 15000000
+      }
+    },
+    :swappiness => {
+      :comment => "Reduce swap usage",
+      :parameters => {
+        "vm.swappiness" => 10
+      }
+    },
+    :network_conntrack_time_wait => {
+      :comment => "Only track completed connections for 30 seconds",
+      :parameters => {
+        "net.netfilter.nf_conntrack_tcp_timeout_time_wait" => "30"
+      }
+    },
+    :network_conntrack_max => {
+      :comment => "Increase max number of connections tracked",
+      :parameters => {
+        "net.netfilter.nf_conntrack_max" => "131072"
       }
     }
   }
 )
 
 run_list(
-  "recipe[nominatim]"
+  "recipe[nominatim::default]"
 )