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List:       amavis-user
Subject:    Re: [AMaViS-user] dynamic-preforking
From:       "Alexander 'Leo' Bergolth" <leo () strike ! wu-wien ! ac ! at>
Date:       2007-03-05 21:10:41
Message-ID: 45EC8751.8000905 () strike ! wu-wien ! ac ! at
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On 03/05/2007 09:03 PM, Mark Martinec wrote:
>> When using amavisd as a before-queue filter or when using it as a
>> central filter for many MTAs, it might be useful to let Net::Server
>> dynamically fork additional children if necessary.
>>
>> I've done a patch (attached) that lets the Amavis-class use
>> Net::Server::PreFork instead of Net::Server::PreForkSimple as base
>> class, if the (new) $min_servers configuration variable is set. It also
>> introduces the three new config-variables $min_servers,
>> $min_spare_servers, $max_spare_servers. See
>> http://search.cpan.org/~rhandom/Net-Server-0.95/lib/Net/Server/PreFork.pm#C
>> OMMAND_LINE_ARGUMENTS for details.
>>
>> I hope you'll find it useful.
> 
> Thanks. I'll take the patch, as it is quite straightforward and small,
> and may help sites like yours with a pre-queue filtering setup.

Thanks.
But be careful, there was a small typo in yesterdays patch:

+      max_spare_servers => $min_spare_servers,
should be:
+      max_spare_servers => $max_spare_servers,

The corrected version is attached. Sorry about that.

> For normal after-queue setup I don't think it is of much use.

Yes, I agree. I'd also recommend it's usage only to some special setups.

Cheers,
--leo
-- 
-----------------------------------------------------------------------
Alexander.Bergolth@wu-wien.ac.at                Fax: +43-1-31336-906050
Zentrum fuer Informatikdienste - Wirtschaftsuniversitaet Wien - Austria



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