From 5e4f790847198e1267b2fbd5decfa09e5cc3d618 Mon Sep 17 00:00:00 2001 From: Eric Wong Date: Tue, 17 May 2011 17:38:12 -0700 Subject: doc: recommend io_splice 4.1.1 or later io_splice 4.1.1 works around issues with socket buffers filling up pipe buffers on blocking splice. See http://lkml.org/lkml/2009/1/13/478 for a better explanation. --- lib/rainbows/configurator.rb | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'lib') diff --git a/lib/rainbows/configurator.rb b/lib/rainbows/configurator.rb index a1d90cb..1b93fc7 100644 --- a/lib/rainbows/configurator.rb +++ b/lib/rainbows/configurator.rb @@ -190,7 +190,9 @@ module Rainbows::Configurator # end # # Keep in mind that splice(2) itself is a relatively new system call - # and has been buggy in many older Linux kernels. + # and has been buggy in many older Linux kernels. If you're proxying + # the output of sockets to the client, be sure to use "io_splice" + # 4.1.1 or later to avoid stalling responses. # # Default: IO on Ruby 1.9+, false otherwise def copy_stream(klass) -- cgit v1.2.3-24-ge0c7