Date: Wed, 18 Jun 2003 23:01:07 -0400 From: John Von Essen <john@essenz.com> To: freebsd-advocacy@freebsd.org Subject: performance boost... Message-ID: <459A6C46-A202-11D7-B17F-0003933DDCFA@essenz.com>
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This one took me by surprise, so I have to share. I was consulting at company who used a Linux cluster to deliver internal mailings (they have roughly 30,000 employees across the US - which was too much for a Microsoft Exchange distribution list to handle). The cluster nodes ran some perl code which effectively called a "performance-tuned" sendmail. Delivery throughput was around 17 messages per second. After weeks of arguing I finally got the okay to upgrade one of the nodes to FreeBSD. The result was that after the next mailing, the FreeBSD box had a delivery throughput of 29.7 messages per second. Same hardware, same perl code, same sendmail. Something as simple as switching from RedHat linux to FreeBSD almost doubled performance. The best part of course is the satisfaction I now get from rubbing it in to all the Solaris and Linux admins I work with! -John
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