Date: Tue, 6 May 1997 23:21:47 -0700 (PDT) From: Tom Samplonius <tom@sdf.com> To: Garrett Casey <garrett@websidestory.com> Cc: FreeBSD-Hackers@freebsd.org Subject: Re: Slow, Slow, Slow Message-ID: <Pine.NEB.3.94.970506231726.21604A-100000@misery.sdf.com> In-Reply-To: <3.0.1.32.19970506213922.00908210@mail.websidestory.com>
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On Tue, 6 May 1997, Garrett Casey wrote: > Could anyone please make suggestions. > > I am running FreeBSD 2.1.7.1-RELEASE. > The computer is an 200mhz pro 256 mg. ram. > Ethernet card fxp0. > The machine is on a ds3. All it does is > server HTML pages - no cgi. > Here is the latest top screenshot > > load averages: 0.00, 0.01, 0.16 14:33:31 > 151 processes: 1 running, 150 sleeping > Cpu states: 0.8% user, 0.0% nice, 2.7% system, 1.2% interrupt, 95.3% idle > Mem: 27M Active, 2224K Inact, 22M Wired, 26M Cache, 6992K Buf, 176M Free > Swap: 141M Total, 64K Used, 141M Free > > As you can see, there is plenty of mem, plenty of CPU. > > The problem is that when I telnet to this machine (from a machine on > a T1 line), it is extremely SLOW. > It will typically take 10 seconds for the login prompt and even > longer to check the password. I have telneted to the machine, typed > a command and have waited over a minute before even a character will > be displayed. > > I have a dozen other machines that sometimes do the same thing. > EVERYTHING looks perfect - yet the whole damn machine is extremely > slow. > > I would greatly appreciate any help with this problem. > > -Garrett > garrett@websidestory.com ping the system for a while from the system you are telneting from. The avg time should be less than 100ms, and there should be no packet loss. If round-trip time is high, or there is packet loss, this will cause really sluggish sessions. Check the "tcp_extensions" setting in sysconfig. Try it both on and off. Tom
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