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List:       postfix-users
Subject:    Re: postfix milter body chunk length
From:       Wietse Venema <wietse () porcupine ! org>
Date:       2019-08-16 14:32:49
Message-ID: 4695Q91n2rzJrNt () spike ! porcupine ! org
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Matthias Schneider:
> my tests are little bit frustrating:
> 
> 
> Postfix with default milter body chunk size 65535:
> 
> mail processing time 1m30.154298259s
> 
> Postfix with milter body chunk size 1048576:

16x larger packet size.

> mail processing time 17.52360866s

5x faster processing. You can get 4x with a much smaller 
packet size. But who gives a * about memory these days.

	Wietse

> (same mail of 107421kb size / some time is added in body() but it should 
> be comparable)
> 
> 
> Best regards
> 
> Matthias Schneider
> 
> 
> 
> Am 16.08.19 um 15:50 schrieb Wietse Venema:
> >
> > On the Postfix side, edit src/milter/milter8.c and update its
> > MILTER_CHUNK_SIZE definition accordingly. It's only compile-time
> > configurable in Postfix, because it's only compile-time configurable
> > in libmilter.
> >
> > 	Wietse
> 
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