Date: Wed, 7 Aug 2002 01:12:07 +0400 (MSD) From: "."@babolo.ru To: friar_josh@webwarrior.net (Josh Paetzel) Cc: spock@tkb.pl, hackers@FreeBSD.ORG Subject: Re: FreeBSD performing worse than Linux? Message-ID: <200208062112.BAA19069@aaz.links.ru> In-Reply-To: <200208060848.53601.friar_josh@webwarrior.net> from "Josh Paetzel" at "Aug 6, 2 08:48:53 am"
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Josh Paetzel writes: [Charset iso-8859-1 unsupported, filtering to ASCII...] > On Tuesday 06 August 2002 05:48, Marcin Jurczuk wrote: > > On Wed, 28 Nov 2001, Josh Paetzel wrote: > > > Well, I am seeing dismal ftp performance on my 4.x boxes. I have a > > > network of 4 machines, three of which are running -STABLE from Nov > > > 22. The other machine is running NetBSD 1.5.2 Release. One of the > > > FreeBSD machines has a base 10 cards in it and has reasonable > > > performace with ftp transfer rates around 1.1Megs/sec. The NetBSD > > > machine is a sparcstation 10 with an onboard intel base 10 adapter, > > > and it too sees reasonable ftp performance. The other two -STABLE > > > boxes have 100tx cards in them. One is a Linksys LNE100TX, and the > > > other is an intel Pro 10/100B/100+. The hub for this network is an 8 > > > port SOHOware autosensing affair. Both of the 100 cards > > > auto-negotiate to 100tx half-duplex. I can get appoximately > > > 1.5Megs/sec out of them using ftp. I have tried swapping cables, > > > swapping ports, and replacing the hub with a crossover cable and > > > manually configuring the cards for either full or half duplex > > > operation. None of these steps makes any difference at all. I can > > > reliably duplicate my transfer speeds on a 600 meg file with a std. > > > deviation of less than a half a second no matter what network > > > configuration I use. My next step will be to try some different NICs, > > > but I don't have anything here that is 100tx based to swap with. I > > > have gotten proper transfer rates out of these machines in the past, > > > but I don't remember if the network cards have changed since then. I > > > rarely move large files around at all, and so only looked into this as > > > a curiosity when seeing this thread. I also intend to try some NFS > > > mounts out to see if this is a protocol issue or not. > > > > I have two 4.6 servers, and one 4.5 firewall with mostly two type cards: > > Intel Pro 10/100 and Intelinet 10/100 (rtl8139C). > > Two segments of network, one is on Cisco Catalyst 2900 second built on > > ATI 8224 10/100 switch. On both solutions transfers are around 8-9 MB/s > > betwen FBSD-> FSDB, FBSD->Linux, Linux-FBSD. > > All of those cards work on 100 Mbps/Full Duplex mode.. > > > > I didn't notice any strange behavior on FreeBSD, only Linux show messeges > > like: > > eth0: card reports no resources. > > eth0: card reports no resources. > > but there is no slow down because of this message... > > > > Best regards. > > > > -- > > Marcin Jurczuk -> spock@tkb.pl > > UNIX/Network Administrator > > Bialystok Cable Television > > > > I administrate some machines on two subnets, connected via a Catalyst 1900. > All of the cards on all of the machines loop up at 100tx full-duplex. There > are 3 different w2k boxes, and 5 FreeBSD -STABLE boxes from two weeks ago. > My ftp performance is completely bizzare. Between each FBSD machine, there > is a different level of performance, and it's directional, too. Machine A to > Machine B might be 10Megs/sec, while the reverse is only 6Megs/sec. then A > to C will be totally different, and C to A different again, and so on and so > forth. About half the connections are in a reasonable transfer rate > (8-10Megs/sec) the other half range from 4Megs/sec-7Megs/sec. The cards are > a grab bag of realtek 8139s, intel pros, 3com905s and so forth. swapping > cards makes no difference. I've tried different switches and it makes to > difference. I compared ALL of the sysctl knobs on all the machines and they > were all identical (save what you would expect to be different). My network > at home has an SGI box, a sparc, and 3 PCs running irix, solaris 9, and > FreeBSD STABLE from today. I can do 10Megs/sec all day long from one machine > to another in either direction, and yeah, the sysctl knobs are the same as > the "sick" network. > > I intend to reinstall as many of the machines as I can this weekend to see if > it makes any difference....oh yeah, one last tidbit. On the "sick" network, > the Windows machines can do 10Megs/sec between each other, but only 4-6 to > the FreeBSD machines. As the previous poster noted, the speeds are > repeatable. If a machine does 6M/sec to another machine, it will repeat that > endlessly, regardless of port, nic, switch, cable, or anything else I can > think of to change. What about difference in communications with 127.0.0.1 ? -- @BABOLO http://links.ru/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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