Date: Wed, 21 Oct 1998 11:25:46 -0400 From: Matthew Hagerty <matthew@wolfepub.com> To: freebsd-hackers@FreeBSD.ORG Subject: Re: Network device slowdown? Message-ID: <4.1.19981021105652.009845e0@wolfepub.com> In-Reply-To: <199810210630.XAA02591@implode.root.com> References: <Your message of "Tue, 20 Oct 1998 22:46:56 EDT." <3.0.5.32.19981020224656.007b76b0@firebat.wolfepub.com>
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Actually I did reboot today and it did not help. There is one strange
thing though, I put the same 5MB file I FTPed from another machine on my
server and had someone on the same hub download the file via HTTP and it
goes in about 9 seconds!
Why would the FTP protocol be so slow, but the HTTP (Apache-1.2.6) is up
there where it should be? I have also noticed considerable slow down with
other services like my SSHD (character echoes take forever) but I can surf
my web pages with no problems.
The machine should not be overloaded. Here is a netstat -m:
75 mbufs in use:
15 mbufs allocated to data
45 mbufs allocated to packet headers
11 mbufs allocated to protocol control blocks
4 mbufs allocated to socket names and addresses
14/144 mbuf clusters in use
297 Kbytes allocated to network (12% in use)
0 requests for memory denied
0 requests for memory delayed
0 calls to protocol drain routines
However, this machines purpose in life is to be a web server, so I start
the daemon with this script:
#!/bin/sh
ulimit -u unlimited
ulimit -m unlimited
ulimit -n unlimited
ulimit -s unlimited
/usr/site/bin/httpd -f /usr/site/conf/httpd.conf
But I do need to FTP and SSHD to the server and I don't see why protocols
other than HTTP would be so slow.
Thanks,
Matthew Hagerty
matthew@wolfepub.com
At 11:30 PM 10/20/98 -0700, David Greenman wrote:
>>I was wondering if there are any known problems with the ed driver? I had
>
> Nope...the ed driver has always worked well. I assume that the problem
>doesn't go away after a reboot? I have noticed that some newer (since the
>P6) motherboards have really bad ISA performance...perhaps that might have
>something to do with it. You might want to check out the BIOS configuration
>and see if there is anything ISA related that you can tweak.
>
>-DG
>
>David Greenman
>Co-founder/Principal Architect, The FreeBSD Project
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