Date: Fri, 10 Feb 2006 12:23:09 -0500 From: Marcos Bedinelli <bedinelli@madhaus.cns.utoronto.ca> Cc: freebsd-net@freebsd.org Subject: Network performance in a dual CPU system Message-ID: <711b7ec873f31bc5be50ce477313fac3@madhaus.cns.utoronto.ca> In-Reply-To: <43ECB1E7.8010308@mac.com> References: <7bb8f24157080b6aaacb897a99259df9@madhaus.cns.utoronto.ca> <43ECB1E7.8010308@mac.com>
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Hello all, thanks for the replies. Most of you have suggested that I turn on polling and give it a try. The machine is in production, hence I need to schedule downtime for that. The system is mainly being used as a dedicated router. It runs OSPF, BGP and IPFW (around 150 rules). OSPF and BGP are managed by Quagga. The box has 2 gigabit interfaces that handle on average 200Mbp/s - 50K packets/s (inbound and outbound combined), each one of them. Some of you have asked for the following information: - As I indicated before, polling is currently disabled. - Hyperthreading (HTT) is disabled. mull [~]$vmstat -i interrupt total rate irq1: atkbd0 3466 0 irq6: fdc0 10 0 irq13: npx0 1 0 irq14: ata0 47 0 irq21: fxp1 20462527 8 irq28: bge0 3511765157 1444 irq29: bge1 3633124373 1494 irq30: aac0 1842472 0 cpu0: timer 566751007 233 Total 7733949060 3181 mull [~]$netstat -m 644/646/1290 mbufs in use (current/cache/total) 643/407/1050/17088 mbuf clusters in use (current/cache/total/max) 0/5/4528 sfbufs in use (current/peak/max) 1447K/975K/2422K bytes allocated to network (current/cache/total) 0 requests for sfbufs denied 0 requests for sfbufs delayed 0 requests for I/O initiated by sendfile 0 calls to protocol drain routines Thank you, -- Marcos
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