Major Load please help

[Lang, Michael]

[mil02006 at mail2 mil02006]$ vmstat 5
   procs                      memory    swap          io     system         cpu
 r  b  w   swpd   free   buff  cache  si  so    bi    bo   in    cs  us  sy  id
 9  0  0      0 284272 177904 460700   0   0     3    18  156   200  80   8  12
13  0  0      0 259884 177904 459748   0   0     0   722  347   485  92   8   0
12  0  0      0 265260 177904 459308   0   0     0   608  289   339  92   8   0
10  0  0      0 258480 177904 459232   0   0     0   663  274   348  93   7   0
 8  0  0      0 297408 177904 459208   0   0     0   874  283   421  90  10   0

Take notice of the swap measurements, 0 is good :)

man vmstat for an explanation of other things...

ml

-----Original Message-----
From: MailScanner mailing list [mailto:MAILSCANNER at JISCMAIL.AC.UK]On
Behalf Of Vicchiullo, Rob
Sent: Friday, April 23, 2004 11:03 AM
To: MAILSCANNER at JISCMAIL.AC.UK
Subject: Re: Major Load please help


Not sure how to run the dns cache I'll look into that.
Would you happen to have anything I can read up on for that?
To be honest I'm not sure how to read the results of vmstat.
Memory doesn't seem to be it either. 
Theres always around 700M free and 700M swap free.
Also there are no errors in the log.
I did run in debug and saw now errors, but again I see high load if
spamassassin is on or off (just higher with on)

 



-----Original Message-----
From: MailScanner mailing list [mailto:MAILSCANNER at JISCMAIL.AC.UK] On
Behalf Of Ugo Bellavance
Sent: Friday, April 23, 2004 10:48 AM
To: MAILSCANNER at JISCMAIL.AC.UK
Subject: Re: Major Load please help

Vicchiullo, Rob wrote:
> I am really need some help on this, so please any and all give advice.
> I am running a sun enterprise with quad 450s and 2 gigs of ram running
> Solaris 8.
> MailScanner 4.29.7
> SpamAssassin 2.63
>
> This mail server gets roughly 60,000 to 70,000 emails a day.
> My problem is this, the load on the box is just insane and the queue
> gets backed up.
> When spamassassin is on the load goes to around 18-20 with it if its
> stays around 8-12.
> Is there anything I may be missing to alleviate this.
> I already Have Mailscanners Incoming in the /tmp dir (basically in
> memory).
> I've looked through the list and did everything that is said to do,
> which are real basic things.

Have you isolated the problem? I/O (using vmstat), memory (free),
network (do you have a local dns caching nameserver).

Do you have errors or timeouts inyour logs?

Did you test mailscanner and spamassassin in debug?
http://www.sng.ecs.soton.ac.uk/mailscanner/serve/cache/252.html

you can check here http://www.mailscanner.biz/maq/#optimize

>
> I'd appreciate any help on this, I'm in a bind on this one.
>
> Rob
>
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