Date: Thu, 28 Sep 2006 12:42:17 -0300 From: "Alexandre Biancalana" <biancalana@gmail.com> To: "Dominic Marks" <dom@helenmarks.co.uk> Cc: freebsd-stable@freebsd.org Subject: Re: 6-Stable High Interrupt Rate on network Message-ID: <8e10486b0609280842g3990c281u9afcf5e7ca70fdb1@mail.gmail.com> In-Reply-To: <20060928161800.51f914f6.dom@helenmarks.co.uk> References: <8e10486b0609280757u2bc9b93cyfc9df589b7f4f732@mail.gmail.com> <20060928161800.51f914f6.dom@helenmarks.co.uk>
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On 9/28/06, Dominic Marks <dom@helenmarks.co.uk> wrote: > > On Thu, 28 Sep 2006 11:57:22 -0300 > "Alexandre Biancalana" <biancalana@gmail.com> wrote: > > > Hi list, > > > > Today I changed the main gateway from our network from PIII 733, 512 > MB > > Ram running FreeBSD 4-STABLE to a Xeon 3.0, 1Gb Ram running FreeBSD > > 6-STABLE. But the performance of the network is worst than before. > > How are you measuring the performance? I'm looking at some links usage... I know that you could argue that this is not consistent but these links have a very constant usage and today, after the change they have a utilization that is 20% lower than usual. My big doubt is why the new machine (that is A LOT better than the old) spend more than 50% off cpu time on interrupts when the old just arrived on 60% at "rush-time" > The new machine is a Dell PowerEdge 1800 have one quad DLink DFE-580TX, > > one quad Adaptec ANA-62044 and one on board Intel em. I enabled the > polling > > on all interfaces, set the HZ to 1000 and set kern.polling.user_frac=30, > but > > this does not happened. > > What else is the machine doing, firewall, nat, traffic > shaping, proxy? PF+NAT+Squid+Qmail+Clamav+zebedee for 4 networks and about 600 users total. -- > Dominic > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" >
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