Major Load please help

[Martin Hepworth]

Rob

if you've got bind installed and /etc/resolv.conf set to use 127.0.0.1
as the server and..

the hosts line /etc/nsswitch.conf set to 'files dns' then your bind
server should be caching by default.



--
Martin Hepworth
Snr Systems Administrator
Solid State Logic
Tel: +44 (0)1865 842300


Vicchiullo, Rob wrote:
> Here's another weird thing.
> If I activate any RBL inside MailScanner.conf the load jumps 2 more so
> form 5 to 7 constant.
> Also in the maillog I get the following errors:
> Apr 23 12:35:50 cathy.bmts.com MailScanner[13079]: RBL Check spamcop.net
> timed out and was killed, consecutive failure 1 of 7
> Apr 23 12:35:54 cathy.bmts.com MailScanner[12687]: RBL Check SBL+XBL
> timed out and was killed, consecutive failure 1 of 7
>
> But only the first time the child runs.
> After that it works fine.
>
> So why would doing rbl jump up 2.
> Also going back to dns cache anyone have any idea how to do caching on
> solaris.
> I am running bind on that server right now, what would I need to do on
> that?
>
> Rob
> -----Original Message-----
> From: MailScanner mailing list [mailto:MAILSCANNER at JISCMAIL.AC.UK] On
> Behalf Of Martin Hepworth
> Sent: Friday, April 23, 2004 11:35 AM
> To: MAILSCANNER at JISCMAIL.AC.UK
> Subject: Re: Major Load please help
>
> Rob
>
> have got any RBL's installed. I found this a major load bearer if I use
> the RBL's in SA and don't turn most of them off (ie give then a zero
> score)
>
> --
> Martin Hepworth
> Snr Systems Administrator
> Solid State Logic
> Tel: +44 (0)1865 842300
>
>
> Ugo Bellavance wrote:
>
>>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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>>>at    http://www.jiscmail.ac.uk/lists/mailscanner.html
>>>
>>
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>
>
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This email and any files transmitted with it are confidential and
intended solely for the use of the individual or entity to whom they
are addressed. If you have received this email in error please notify
the system manager.

This footnote confirms that this email message has been swept
for the presence of computer viruses and is believed to be clean.

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-------------------------- MailScanner list ----------------------
To leave, send    leave mailscanner    to jiscmail at jiscmail.ac.uk
For further info about MailScanner, please see the Most Asked
Questions at    http://www.mailscanner.biz/maq/     and the archives
at    http://www.jiscmail.ac.uk/lists/mailscanner.html