Date: Tue, 29 Jun 2004 14:42:27 -0400 From: Charles Swiger <cswiger@mac.com> To: Bill Moran <wmoran@potentialtech.com> Cc: questions@freebsd.org Subject: Re: REPOST: Performance problems with FTP Message-ID: <1187B403-C9FC-11D8-99F8-003065ABFD92@mac.com> In-Reply-To: <20040629140231.7b57dedf.wmoran@potentialtech.com> References: <20040629140231.7b57dedf.wmoran@potentialtech.com>
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On Jun 29, 2004, at 2:02 PM, Bill Moran wrote: > I'm having some really weird problems with ftp performance on FreeBSD > 4.10 > that I just can't seem to figure out. > > My uplink here maxes out at about 35k/sec. If I scp to the machine in > question > I get about 30k/sec (which is expected) but when I ftp, I never get > anything > better than 15k/sec, and occasionally as low as 8k/sec. [ ... ] > I tried running the ftp daemon that ships with FreeBSD, as well as > Proftpd and > they both exhibit the same performance issues. I haven't seen any signs of such problems with 4.10. Given that you've reproduced this using different FTP servers, it seems more likely to be a network issue or some hardware glitch (cables? flaky NIC?) than a software issue. Have you asked your ISP about the issue? Can you reproduce by moving ftp to a different port #? (Perhaps some quality-of-service thingy is providing different bandwidth by port...) Does passive versus active FTP make a difference? Anything interesting in 'netstat -s'? -- -Chuck
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