X-Git-Url: https://git.openstreetmap.org./chef.git/blobdiff_plain/995aff046c2a707a13a93f23a4dfa9f55089fb2f..df5990611a8d954a97868fc47c49603dd312dc67:/roles/equinix-dub.rb

diff --git a/roles/equinix-dub.rb b/roles/equinix-dub.rb
index fb074324c..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 => {