<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0"
	xmlns:content="http://purl.org/rss/1.0/modules/content/"
	xmlns:wfw="http://wellformedweb.org/CommentAPI/"
	xmlns:dc="http://purl.org/dc/elements/1.1/"
	xmlns:atom="http://www.w3.org/2005/Atom"
	xmlns:sy="http://purl.org/rss/1.0/modules/syndication/"
	xmlns:slash="http://purl.org/rss/1.0/modules/slash/"
	>

<channel>
	<title>Sigmon Says &#187; Linux</title>
	<atom:link href="http://grepped.org/wp/category/linux/feed/" rel="self" type="application/rss+xml" />
	<link>http://grepped.org/wp</link>
	<description>Just another blog</description>
	<lastBuildDate>Mon, 17 May 2010 04:31:41 +0000</lastBuildDate>
	<generator>http://wordpress.org/?v=2.9.2</generator>
	<language>en</language>
	<sy:updatePeriod>hourly</sy:updatePeriod>
	<sy:updateFrequency>1</sy:updateFrequency>
			<item>
		<title>tuning tcp performance on linux</title>
		<link>http://grepped.org/wp/2008/09/19/tuning-tcp-performance-on-linux/</link>
		<comments>http://grepped.org/wp/2008/09/19/tuning-tcp-performance-on-linux/#comments</comments>
		<pubDate>Fri, 19 Sep 2008 21:55:37 +0000</pubDate>
		<dc:creator>sigmonsays</dc:creator>
				<category><![CDATA[Linux]]></category>

		<guid isPermaLink="false">http://grepped.org/wp/2008/09/19/tuning-tcp-performance-on-linux/</guid>
		<description><![CDATA[from http://www.acc.umu.se/~maswan/linux-netperf.txt
=====================================================================

TCP performance tuning - how to tune linux

The short summary:

The default Linux tcp window sizing parameters before 2.6.17 sucks.

The short fix [wirespeed for gigE within 5 ms RTT and fastE within 50 ms RTT]:


in /etc/sysctl.conf

net/core/rmem_max = 8738000
net/core/wmem_max = 6553600

net/ipv4/tcp_rmem = 8192 873800 8738000
net/ipv4/tcp_wmem = 4096 655360 6553600


It might also be a good idea to [...]]]></description>
		<wfw:commentRss>http://grepped.org/wp/2008/09/19/tuning-tcp-performance-on-linux/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
	</channel>
</rss>
