Re: Slow apache response

From: Shane Ambler (Shane_at_007Marketing.com)
Date: 08/17/05

  • Next message: Shane Ambler: "Re: Slow apache response" 
    Date: Thu, 18 Aug 2005 00:40:42 +0930
To: FreeBSD Mailing Lists <freebsd-performance@freebsd.org>

    On 17/8/05 8:57 PM, "Eric Anderson" <anderson@centtech.com> wrote:

    > Shane Ambler wrote:
    >> I am running a traffic exchange site and have just moved to a dedicated
    >> server (new server has been running 15 hours).
    >>
    >> Server is a P4 1.8G with 1024MB RAM
    >>
    >> Pages seem to be loading slower than the previous virtual server account but
    >> looking at top shows idle% to stay above 80
    >>
    >> The mysql backend is located off the server and has not changed in any way
    >> when the web server changed.
    >>
    >> Wusage reports show upto 10,000 hits an hour for the end of yesterday and up
    >> to 18,000 hits a few hours ago. (these are the new server stats)
    >>
    >> One thing that has me curious is apache is started with 150 servers (which I
    >> am fine with) and currently I count 178 instances of apache running - but in
    >> top all but a couple show their state as lockf which I can't find a
    >> reference to.
    >>
    >> Apart from apache there is sendmail and ssh running (and the basics such as
    >> tty's, cron and syslog)
    >>
    >> All pages are php.
    >>
    >> Any ideas on how I can get response times up?
    >
    > What state are the running httpd processes in (not the ones in lockf)?
    >
    I'm seeing sbwait select kqread

    > Also, did you compile apache from ports, or install via package, or other?
    >
    The hosting provider (webair) installed from their own package

    Server version: Apache/1.3.33 (Unix)
    Server built: Feb 10 2005 12:34:22

    If you are wondering about me asking them I have root access which to get I
    agreed to take full responsibility for admin etc.

    > Have you tried bumping up the number of servers to 200?
    >
    > Can you send the output of:
    >
    > netstat -m
    > uname -a
    >

    > netstat -m
    131/784/26624 mbufs in use (current/peak/max):
            110 mbufs allocated to data
            21 mbufs allocated to packet headers
    103/304/6656 mbuf clusters in use (current/peak/max)
    804 Kbytes allocated to network (4% of mb_map in use)
    0 requests for memory denied
    0 requests for memory delayed
    0 calls to protocol drain routines
    > uname -a
    FreeBSD mission.webair.com 4.11-RELEASE FreeBSD 4.11-RELEASE #0: Tue Aug 16
    10:19:30 EDT 2005 root@mission.webair.com:/usr/src/sys/compile/asck1
    i386

    I compiled the kernel removing most device options and adding ipfw

    > Eric
    >
    >
    > 

    -- 
Shane Ambler
Sales Department
007Marketing.com
Shane@007Marketing.com
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  • Next message: Shane Ambler: "Re: Slow apache response"

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