Tune connection tracking on tile servers

[chef.git] / roles / tile.rb

diff --git a/roles/tile.rb b/roles/tile.rb
index c32e35eb645d87913c7ef5b6565b9b375f8ef869..1da7726d863ee13be19550b7fc87d03e19a82119 100644 (file)
--- a/roles/tile.rb
+++ b/roles/tile.rb
@@ -38,6 +38,7 @@ default_attributes(
         :max_connections => "250",
         :temp_buffers => "32MB",
         :work_mem => "128MB",
+        :max_parallel_workers_per_gather => "0",
         :wal_buffers => "1024kB",
         :wal_writer_delay => "500ms",
         :commit_delay => "10000",
@@ -61,11 +62,29 @@ default_attributes(
         "net.core.somaxconn" => 10000
       }
     },
-    :kernel_scheduler_tune => {
-      :comment => "Tune kernel scheduler preempt",
+    :network_conntrack_time_wait => {
+      :comment => "Only track completed connections for 30 seconds",
       :parameters => {
-        "kernel.sched_min_granularity_ns" => 10000000,
-        "kernel.sched_wakeup_granularity_ns" => 15000000
+        "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" => "524288"
+      }
+    },
+    :no_tcp_slow_start => {
+      :comment => "Disable TCP slow start",
+      :parameters => {
+        "net.ipv4.tcp_slow_start_after_idle" => "0"
+      }
+    },
+    :tcp_use_bbr => {
+      :comment => "Use TCP BBR Congestion Control",
+      :parameters => {
+        "net.core.default_qdisc" => "fq",
+        "net.ipv4.tcp_congestion_control" => "bbr"
       }
     }
   },
@@ -85,7 +104,7 @@ default_attributes(
     :styles => {
       :default => {
         :repository => "https://github.com/gravitystorm/openstreetmap-carto.git",
-        :revision => "v5.3.1",
+        :revision => "v5.5.1",
         :max_zoom => 19
       }
     }