tilecache: Use TCP BBR congestion control

[chef.git] / roles / tilecache.rb

diff --git a/roles/tilecache.rb b/roles/tilecache.rb
index ac17511a02eb85aa98869574b9fbbf2a0a646610..c9badd05d17823089494ccb95b3f666f287f9e11 100644 (file)
--- a/roles/tilecache.rb
+++ b/roles/tilecache.rb
@@ -46,7 +46,13 @@ default_attributes(
     :network_local_port_range => {
       :comment => "Increase available local port range",
       :parameters => {
-        "net.ipv4.ip_local_port_range" => "1024\t65000"
+        "net.ipv4.ip_local_port_range" => "1024\t65535"
+      }
+    },
+    :network_tcp_timewait_reuse => {
+      :comment => "Allow tcp timewait reuse",
+      :parameters => {
+        "net.ipv4.tcp_tw_reuse" => 1
       }
     },
     :kernel_tfo_listen_enable => {
@@ -67,6 +73,20 @@ default_attributes(
         "kernel.sched_min_granularity_ns" => "10000000",
         "kernel.sched_wakeup_granularity_ns" => "15000000"
       }
+    },
+    :no_tcp_slow_start => {
+      :comment => "REMOVE ME: Temporary Reset TCP slow start back to kernel default",
+      :parameters => {
+          "net.ipv4.tcp_slow_start_after_idle" => "1",
+          "net.ipv4.tcp_no_metrics_save" => "0"
+      }
+    },
+    :tcp_use_bbr => {
+      :comment => "Use TCP BBR Congestion Control",
+      :parameters => {
+        "net.core.default_qdisc" => "fq",
+        "net.ipv4.tcp_congestion_control" => "bbr"
+      }
     }
   }
 )