Date: Fri, 20 Mar 1998 11:13:34 -0800 From: David Greenman <dg@root.com> To: Cory Kempf <ckempf@enigami.com> Cc: freebsd-current@FreeBSD.ORG Subject: Re: Pathetic FTP performance Message-ID: <199803201913.LAA20686@implode.root.com> In-Reply-To: Your message of "Fri, 20 Mar 1998 10:57:30 EST." <v04003a05b1383e8bab45@[208.140.182.45]>
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>I am getting really pathetic FTP performance across my LAN. From any >machine to any other machine, I am seeing several hundred k / sec via FTP. >E.g. from my Mac to my SGI, I see between 300k/s - 1M/s, depending on file >size. > >However, when I am running FreeBSD (-Current as of 12 March), I am getting >really pathetic performance... on the order of 0-2 k / second. > >The network is 10baseT, My ethernet is the intel EtherExpress Pro 10/100B >rev 0x02 that is built into the DK440LX motherboard. The net is almost >completely unloaded, so it isn't traffic. > >Running ping generally has a transit time of just under 1 ms, although I am >seeing 4% packet loss (2 packets out of 40). > >Generally, what I am seeing is both low transfer rates as well as *LOTS* of >stalling. That's enough packet loss to cause very low transfer rates for ethernet. >Any suggestions what is causing this, and how to diagnose / fix it? Look at the input stats on the receiving machine - are you seeing input errors? It sounds like you might have a bad cable segment. -DG David Greenman Core-team/Principal Architect, The FreeBSD Project To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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