X-Git-Url: https://git.openstreetmap.org./chef.git/blobdiff_plain/2b6c72c578291a6075c07754d75e6113e8802627..9efaa37d8f7bf4f9a019fc2b6208762b94d4f04c:/roles/equinix-dub.rb

diff --git a/roles/equinix-dub.rb b/roles/equinix-dub.rb
index a2232420a..349732e9a 100644
--- a/roles/equinix-dub.rb
+++ b/roles/equinix-dub.rb
@@ -2,6 +2,15 @@ name "equinix-dub"
 description "Role applied to all servers at Equinix Dublin"
 
 default_attributes(
+  :sysctl => {
+    :enable_bbr_10g => {
+      :comment => "Enable BBR. Equinix Dub has 10G uplink unlikely to buffer overrun",
+      :parameters => {
+        "net.ipv4.tcp_congestion_control" => "bbr",
+        "net.ipv4.tcp_notsent_lowat" => "16384"
+      }
+    }
+  },
   :networking => {
     :roles => {
       :internal => {
@@ -31,7 +40,7 @@ default_attributes(
   },
   :web => {
     :fileserver => "fafnir",
-    :readonly_database_host => "snap-03.ucl.openstreetmap.org"
+    :readonly_database_host => "snap-03.dub.openstreetmap.org"
   }
 )