Re: [Exim] New Server Specs?

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Autor: Odhiambo G. Washington
Data:  
Dla: Matt Bernstein
CC: Jeffrey Wheat, Exim Users
Temat: Re: [Exim] New Server Specs?
* Matt Bernstein <mb@???> [20020911 15:59]: wrote:
> At 08:14 -0400 Jeffrey Wheat wrote:
>
> >Hello all, I would like to get a few opinions for building my next
> >mail server. I am presently running a dual processor, PIII-833
> >with 1.5G RAM and 3ware disk controller running FreeBSD. I am noticing
> >a performance issue when trying to run sopie/spamassassin together.
> >The problem is that perl consumes most of the cpu while spamassassin
> >is enabled, thus driving the system load to well over 16.5. With just
> >sophie running, the load stays around 0.5 - 1.0. The server needs to be
> >able to handle around 350,000 mails a day, running Exim, Courier IMAP,
> >Sophie and SpamAssassin.
>
> Sounds like you should try to persuade SpamAssassin to daemonise, like
> Sophie does. If you can pay someone to do that, maybe it'd cost less than
> your quad Xeon!



Even if you daemonise SpamAssassin (spamd), you will not have solved this
problem. I run spamd, scanning mails using spamc and my server doesn crawl
most of the time. This is not a high end box, just dual pentium 500 with
256MB RAM. What Jaffrey saw is much the same what I see here:

last pid: 95930;  load averages: 11.40,  8.21,  4.89                                                     up 3+00:47:01
16:08:12
235 processes: 12 running, 220 sleeping, 1 stopped, 2 zombie
CPU states: 66.1% user,  0.0% nice, 32.7% system,  1.1% interrupt,  0.0% idle
Mem: 182M Active, 97M Inact, 64M Wired, 30M Cache, 48M Buf, 1584K Free
Swap: 1374M Total, 26M Used, 1348M Free, 1% Inuse


  PID USERNAME      PRI NICE  SIZE    RES STATE  C   TIME   WCPU    CPU COMMAND
95208 root           64   0 19168K 14744K RUN    0   0:13 20.18% 18.16% perl
95651 root           63   0 17084K 11792K RUN    1   0:04 19.49% 11.57% perl
84259 root           63   0  2216K  1196K RUN    1   1:37 10.55% 10.55% perl
95756 root           63   0 16700K 11380K RUN    1   0:03 24.56% 10.40% perl
95603 root            2   0 15836K 11268K connec 0   0:04 12.74%  8.06% perl
95495 root            2   0 17520K 12936K select 1   0:04 11.15%  7.96% perl
95560 root           63   0 20412K 15984K RUN    1   0:03 10.90%  7.28% httpd
....




-Wash

--
Odhiambo Washington   <wash@???>  "The box said 'Requires
Wananchi Online Ltd.  www.wananchi.com      Windows 95, NT, or better,'
Tel: +254 2 313985-9  +254 2 313922         so I installed FreeBSD."
GSM: +254 72 743223   +254 733 744121       This sig is McQ!  :-)



As Will Rogers would have said, "There is no such things as a free
variable."