From: Grant Slater <git@firefishy.com>
Date: Fri, 20 Dec 2019 17:04:34 +0000 (+0000)
Subject: tilecache: disable TCP slow start
X-Git-Url: https://git.openstreetmap.org/chef.git/commitdiff_plain/cac1c5ce3786d0205aee37ac4b23daacb92c22ba

tilecache: disable TCP slow start
---

diff --git a/roles/tilecache.rb b/roles/tilecache.rb
index 8353a2120..d7aae8af1 100644
--- a/roles/tilecache.rb
+++ b/roles/tilecache.rb
@@ -73,6 +73,13 @@ default_attributes(
         "kernel.sched_min_granularity_ns" => "10000000",
         "kernel.sched_wakeup_granularity_ns" => "15000000"
       }
+    },
+    :no_tcp_slow_start => {
+      :comment => "Ensure TCP slow start is disabled",
+      :parameters => {
+          "net.ipv4.tcp_slow_start_after_idle" => "0",
+          "net.ipv4.tcp_no_metrics_save" => "0"
+      }
     }
   }
 )