X-Git-Url: https://git.openstreetmap.org/chef.git/blobdiff_plain/bc81b92d0609f2b1d5e99cba5301b5e52267e6a0..67c05c6c4b484a6cdac9473b4e6951e5c76c42a3:/roles/base.rb

diff --git a/roles/base.rb b/roles/base.rb
index aa4c8e944..bc08d820c 100644
--- a/roles/base.rb
+++ b/roles/base.rb
@@ -69,9 +69,17 @@ default_attributes(
       }
     },
     :default_qdisc => {
-      :comment => "Use pfifo_fast as the default queuing discipline",
+      :comment => "Use fq as the default queuing discipline and bbr for congestion control",
       :parameters => {
-        "net.core.default_qdisc" => "pfifo_fast"
+        "net.core.default_qdisc" => "fq",
+        "net.ipv4.tcp_congestion_control" => "bbr"
+      }
+    },
+    :tune_cpu_scheduler => {
+      :comment => "Tune CPU scheduler for server scheduling",
+      :parameters => {
+        "kernel.sched_migration_cost_ns" => 50000000,
+        "kernel.sched_autogroup_enabled" => 0
       }
     }
   }