X-Git-Url: https://git.openstreetmap.org/chef.git/blobdiff_plain/81f0aa67e3c0e400457194690888dfca3f213463..76157b584c57d86aa2fb79ee2101dde544f2c7a5:/roles/base.rb

diff --git a/roles/base.rb b/roles/base.rb
index 63c763af1..bc08d820c 100644
--- a/roles/base.rb
+++ b/roles/base.rb
@@ -69,18 +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"
       }
-    }
-  },
-  :sysfs => {
-    :cpufreq_ondemand => {
-      :comment => "Tune the ondemand CPU frequency governor",
+    },
+    :tune_cpu_scheduler => {
+      :comment => "Tune CPU scheduler for server scheduling",
       :parameters => {
-        "devices/system/cpu/cpufreq/ondemand/up_threshold" => "25",
-        "devices/system/cpu/cpufreq/ondemand/sampling_down_factor" => "100"
+        "kernel.sched_migration_cost_ns" => 50000000,
+        "kernel.sched_autogroup_enabled" => 0
       }
     }
   }