From c28e2610cfc70e89a0ffabe18356d148afe98bfc Mon Sep 17 00:00:00 2001
From: Eric Wong <normalperson@yhbt.net>
Date: Mon, 31 Jan 2011 15:51:30 -0800
Subject: enable TCP_NOPUSH/TCP_CORK by default

It's actually harmless since Unicorn only supports "fast"
applications that do not trickle, and we don't do keepalive so
we'll always flush-on-close.  This should reduce wakeups on the
nginx proxy server if nginx is over TCP.  Mongrel 1.x had
TCP_CORK enabled by default, too.
---
 lib/unicorn/socket_helper.rb | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'lib/unicorn/socket_helper.rb')

diff --git a/lib/unicorn/socket_helper.rb b/lib/unicorn/socket_helper.rb
index d07684a..9600b34 100644
--- a/lib/unicorn/socket_helper.rb
+++ b/lib/unicorn/socket_helper.rb
@@ -23,6 +23,10 @@ module Unicorn
 
       # same default value as Mongrel
       :backlog => 1024,
+
+      # since we don't do keepalive, we'll always flush-on-close and
+      # this saves packets for everyone.
+      :tcp_nopush => true,
     }
     #:startdoc:
 
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