High CPU Load - Please help

[Alex Neuman]

I heard somewhere you can multiply this by something in order to gauge
(albeit approximately) the amount of utilization.

The "top" program can also give you a better idea of what's going on.

-----Original Message-----
From: MailScanner mailing list [mailto:MAILSCANNER at JISCMAIL.AC.UK] On Behalf
Of Ugo Bellavance
Sent: Tuesday, June 01, 2004 11:49 AM
To: MAILSCANNER at JISCMAIL.AC.UK
Subject: Re: High CPU Load - Please help


Matthew K Bowman wrote:

> Hello,
>
> I upgraded my MailScanner to 4.31.4 this morning and dcc to version
1.2.48.
> My load is still over 2.

Btw, this kind of load is far from being critical. It just means you
have 2 processes waiting for cpu time or I/O at some point in time.

vmstat will tell you more

> Diagnosing this problem piece by piece, I changed
> my spam and high spam actions to delete for default and removed all the
> other rules in both files, restarted MailScanner - this made no difference
> to the load.  Disabling dcc checks also made no difference.
>
> Is it possible that the pyzor/razor checks are causing my problem? How
does
> one disable pyzor/razor checks without uninstalling those packages?

Yes, in spam.assassin.conf

I think it is

use_dcc 0
use_pyzor 0

but I'm not sure.

I think you have these instructions in the MailScanner's Manual written
by Steve.

>
>  10:48:56  up 42 min,  1 user,  load average: 2.41, 2.61, 2.57
> 50 processes: 46 sleeping, 4 running, 0 zombie, 0 stopped
> CPU0 states:  23.0% user   4.2% system    0.0% nice   0.0% iowait  72.3%
> idle
> CPU1 states:  94.2% user   0.1% system    0.0% nice   0.0% iowait   5.2%
> idle
> Mem:  1029812k av,  772988k used,  256824k free,       0k shrd,   36868k
> buff
>                     626500k actv,   49108k in_d,   21876k in_c
> Swap: 2040244k av,   44260k used, 1995984k free                  168284k
> cached
>
>   PID USER     PRI  NI  SIZE  RSS SHARE STAT %CPU %MEM   TIME CPU COMMAND
>  8338 root      15   0 15828 1500  1456 S    99.9  0.1   9:50   1
> MailScanner
> 10069 root      15   0  1080 1080   856 R     0.1  0.1   0:00   0 top
>     1 root      15   0   108   80    56 S     0.0  0.0   0:04   0 init
>
> Any help would be appreciated
>
> Thank you
>
> Matthew
>
>
>
> ----- Original Message -----
> From: "Michele Neylon :: Blacknight Solutions"
> <michele at BLACKNIGHTSOLUTIONS.COM>
> To: <MAILSCANNER at JISCMAIL.AC.UK>
> Sent: Wednesday, May 26, 2004 10:50 AM
> Subject: Re: High CPU Load - Please help
>
>
>
>>Matthew
>>
>>Load problems have been discussed quite often in the past.
>>As a general rule I would advise upgrading MS to the latest stable version
>>to start with, as earlier versions may not be as optimal.
>>Your version of DCC is out of date, as is your version of Razor.
>>
>>If you apply some of the optimisation tips as outlined in the MAQ you will
>>probably see some improvement in performance.
>>
>>M
>>

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