Date: Wed, 26 Jan 2000 14:24:20 -0800 From: Alfred Perlstein <bright@wintelcom.net> To: David Richardson <drr@u.washington.edu> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: freebsd capabilities Message-ID: <20000126142420.I26520@fw.wintelcom.net> In-Reply-To: <000201bf6821$6a00a5a0$e3875f80@cac.washington.edu>; from drr@u.washington.edu on Wed, Jan 26, 2000 at 09:18:51AM -0800 References: <000201bf6821$6a00a5a0$e3875f80@cac.washington.edu>
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* David Richardson <drr@u.washington.edu> [000126 09:48] wrote: > I am considering using FreeBSD for a new project and need to know a > little about its limits and capabilities. I wasn't able to find this > information in the handbook or on the freebsd.org website, so would > appreciate any answers or pointers to documents I missed. > > The Project: > > I need to develop a high speed network sniffer in order to debug an > application running on Windows NT. The sniffer needs to capture traffic > at 200-300Mbps (25MBps-38MBps) and write packets (or at least headers) > to disk, limited only by the amount of disk. Our NT application runs on > a dual PIII 600, using sysKonnect or Alteon Gigabit Ethernet cards and > writes upwards of 200Mbps to disk using software RAID 0; I assume I > would need a similar configuration for the FreeBSD box. My questions > include: > > - what is the maximum filesize (we would exceed 2GB in less than 2 > minutes)? FreeBSD != Linux, I'm pretty sure our files are 64bit safe, maybe only 63bit actually, but you definetly won't hit a filesize limit. > - what is the state of SMP support (the SMP project page is out of > date)? so-so, however the application you're developing doesn't seem like it'd needs multiple processors > - are there any vinum limitations that would prevent me from capturing > ~100GB worth of traffic? Not afaik. > - any other limits? Not sure, let us know. :) > Any information or comments on the viability of the project would be > very helpful. > > > Thanks, > > - David -- -Alfred Perlstein - [bright@wintelcom.net|alfred@freebsd.org] To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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