Re: FreeBSD 4.8R sluggish performance

From: Tim Traver (tt-list_at_simplenet.com)
Date: 05/31/04

  • Next message: hoe-waa_at_hawaii.rr.com: "Re: Don't know what else to do with DHCP...help??" 
    Date: Mon, 31 May 2004 13:01:25 -0700
To: scot-gale@excite.com, freebsd-questions@freebsd.org

    Yep, I would bet on DNS troubles as well...

    many apps have to wait for the DNS request to time out before they continue.

    Check to make sure that the DNS servers in resolv.conf are reachable by
    your machine.

    Tim.

    At 12:17 PM 5/31/2004, Scott wrote:

    >This problem also occurred a few months ago but spontaneously
    >resolved itself after a few cold boots, so I never found
    >out exactly what the problem was. Most functions have slowed
    >dramatically. Some examples:
    >
    >If I try to ping a host on the internet (e.g. freebsd.org), I
    >get all the packets, but the output of the command doesn't
    >begin for at least 10 seconds. If I try startx, it takes about
    >30 seconds just to begin to display the root window. Even
    >backspacing seems much slower.
    >
    >While this is going on, no unusual processes are running and
    >the CPU is practically unused. Nor is it merely a matter of
    >delay--the CPU usage never spikes up like it normally would. It
    >just sits mostly idle while the command I've issued takes a
    >long time to complete.
    >
    >Although I haven't installed any software or changed anything
    >else lately, I tried booting the GENERIC kernel instead, but
    >the problem remained.
    >
    >I can always tell when the problem will occur based upon what
    >happens at boot. There are no error messages, but the slowness
    >begins when the standard daemons are loading. Cron and sshd
    >load just fine, but the delay occurs as sendmail loads, and
    >there is another delay as sendmail-clientmqueue loads. Once
    >that happens I know I'm in trouble thereafter.
    >
    >I know this isn't much to go on, but does anyone have any clue
    >on what I might try? Thank you.
    >
    >
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