X-Git-Url: https://git.openstreetmap.org./chef.git/blobdiff_plain/e29e45b6cf7d91f3349a22b41e6ee5b23887e922..2fb68aa604486611dd1db87504690d227fa074f5:/roles/tilecache.rb

diff --git a/roles/tilecache.rb b/roles/tilecache.rb
index a2e595f3b..c9badd05d 100644
--- a/roles/tilecache.rb
+++ b/roles/tilecache.rb
@@ -16,9 +16,21 @@ default_attributes(
     :tcp_fastopen_key => "tile"
   },
   :nginx => {
-    :access_log => false
+    :access_log => false,
+    :cache => {
+      :proxy => {
+        :enable => true,
+        :keys_zone => "proxy_cache_zone:64M",
+      }
+    }
   },
   :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 => {
@@ -34,7 +46,13 @@ default_attributes(
     :network_local_port_range => {
       :comment => "Increase available local port range",
       :parameters => {
-        "net.ipv4.ip_local_port_range" => "4096 64000"
+        "net.ipv4.ip_local_port_range" => "1024\t65535"
+      }
+    },
+    :network_tcp_timewait_reuse => {
+      :comment => "Allow tcp timewait reuse",
+      :parameters => {
+        "net.ipv4.tcp_tw_reuse" => 1
       }
     },
     :kernel_tfo_listen_enable => {
@@ -46,7 +64,28 @@ 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"
+      }
+    },
+    :no_tcp_slow_start => {
+      :comment => "REMOVE ME: Temporary Reset TCP slow start back to kernel default",
+      :parameters => {
+          "net.ipv4.tcp_slow_start_after_idle" => "1",
+          "net.ipv4.tcp_no_metrics_save" => "0"
+      }
+    },
+    :tcp_use_bbr => {
+      :comment => "Use TCP BBR Congestion Control",
+      :parameters => {
+        "net.core.default_qdisc" => "fq",
+        "net.ipv4.tcp_congestion_control" => "bbr"
       }
     }
   }