Increased load

Tue Dec 9 11:07:38 GMT 2008

I'm seeing a substantially reduced load after switching to clamd from
clamavmodule here.

Cheers,

Phil
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From: mailscanner-bounces at lists.mailscanner.info
[mailto:mailscanner-bounces at lists.mailscanner.info] On Behalf Of Rabie
Van der Merwe
Sent: 09 December 2008 10:54
To: MailScanner discussion
Subject: RE: Increased load

I can try that, but what I need to speed as I do high volume email.
How does clamd compare to clamavmodule?

I still have the issue with increased load on the later releases; I
would like to resolve that first before I make architecture changes.

Regards
Rabie

-----Original Message-----
From: mailscanner-bounces at lists.mailscanner.info
[mailto:mailscanner-bounces at lists.mailscanner.info] On Behalf Of Martin
Hepworth
Sent: 09 December 2008 10:38 AM
To: MailScanner discussion
Subject: Re: Increased load

2008/12/9 Rabie Van der Merwe <rvdmerwe at mhg.co.za>:
>
> I did apply the updated Message.pm file I am however still seeing the
> increased load on the server compared to versions 4.69.9-3 and prior.
>
> My 2 servers run at around lavg of 0.8, since first updating the one
> server then the other (can correlate this on my load graphs) the load
> now is around 1.5-2.
>
> Unfortunatly I didn't have the MailScanner performance logging enabled
> previously so I can't compare the internal runtimes to then.
>
> I am running 12 children on a 4 way box with 4096Mb ram with incoming
> area in tmpfs on CentOS 5.2 x86_64. Looking at my graphs I can see an
> increase in my CPU User time, CPU System time increased slightly but
> IOWait seem relatively the same. I am also running ClamAV module 0.22
> with ClamAV 0.94.
>
> I could revert to an older build of MailScanner to test, but there is
a
> compatibility issue with CLamAv? Or will ClamAV module handle that?
>
> Let me know if there is anything else I can provide.
>
> Regards
> Rabie
>
>
>
>
> -----Original Message-----
> From: mailscanner-bounces at lists.mailscanner.info
> [mailto:mailscanner-bounces at lists.mailscanner.info] On Behalf Of Rabie
> Van der Merwe
> Sent: 26 November 2008 13:18 PM
> To: MailScanner discussion
> Subject: RE: Increased load
>
>
> I recently joined the mailing list, could someone repost the file or
let
> me know what the subject of the message was as I cant search the
through
> the mailing list.
>
> Regards
> Rabie
>
> PS BAD CPU!! Down, down boy, staaay ! :)
>
> -----Original Message-----
> From: mailscanner-bounces at lists.mailscanner.info
> [mailto:mailscanner-bounces at lists.mailscanner.info] On Behalf Of Glenn
> Steen
> Sent: 26 November 2008 10:54 AM
> To: MailScanner discussion
> Subject: Re: Increased load
>
> 2008/11/26 Rabie Van der Merwe <rvdmerwe at mhg.co.za>:
>>
>> Yip CPU utilization is defiantly up.
>>
> Well, you need be strict with it then.... Tell it to be less
> defiant!!!:-):-):-)... (as if that would help:-)
>
> Seriously though, if you are using 4.72.5 you might need the latest
> Message.pm fix that Jules posted, or else you would see the children
> start to loop on some specific messages... Notably, the busy
> MailScanner child will report "cleaning messages" as commandline in
> "ps"... and never leave that state.
> Solutions would be:
> - get a hold of the fixed Message.pm and drop that into place (restart
> MS after that), or
> - revert to 4.71, or
> - wait for Jules to post a new release with the fix incorporated
> (there just might be a new beta around the corner:-).
>
> Cheers
> --
> -- Glenn
>
>> -----Original Message-----
>> From: mailscanner-bounces at lists.mailscanner.info
>> [mailto:mailscanner-bounces at lists.mailscanner.info] On Behalf Of Hugo
>> van der Kooij
>> Sent: 26 November 2008 00:27 AM
>> To: MailScanner discussion
>> Subject: Re: Increased load
>>
>> -----BEGIN PGP SIGNED MESSAGE-----
>> Hash: SHA1
>>
>> Rabie Van der Merwe wrote:
>>>
>>> Can anyone think of a reason why moving from 4.69.9-3 to any of the
>>> later versions would increase the load on the server? I have 2
> servers
>>> running MailScanner and my avg load went from 2 to 4 since the
> upgrade
>>> on both boxes.
>>
>> Well load in itself should not be an issue. Is the average CPU usage
>> significantly higher? (Use vmstat to find out.)
>>
>> Hugo.
>>
>> - --
>> hvdkooij at vanderkooij.org http://hugo.vanderkooij.org/
>> PGP/GPG? Use: http://hugo.vanderkooij.org/0x58F19981.asc
>>
>> A: Yes.
>> >Q: Are you sure?
>> >>A: Because it reverses the logical flow of conversation.
>> >>>Q: Why is top posting frowned upon?
>>
>> Bored? Click on http://spamornot.org/ and rate those images.
>>
>> Nid wyf yn y swyddfa ar hyn o bryd. Anfonwch unrhyw waith i'w
> gyfieithu.
>> -----BEGIN PGP SIGNATURE-----
>> Version: GnuPG v1.4.7 (GNU/Linux)
>> Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org
>>
>> iD8DBQFJLHurBvzDRVjxmYERAoL4AJwPCOJyy0zKlyIdg6gcw9zr+f908wCfd1ba
>> coBDbgd/x0Mz6BfLVCn1OhE=
>> =IcK/
>> -----END PGP SIGNATURE-----
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>
>
>
> --
> -- Glenn
> email: glenn < dot > steen < at > gmail < dot > com
> work: glenn < dot > steen < at > ap1 < dot > se
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I'd suggest moving to clamd so you don't have the clammodule
compatibility problems. I've been running a clamd system since the MS
beta's first came out with clamd support with no issues what so-ever.

-- 
Martin Hepworth
Oxford, UK
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