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Re: [OT] CDB performance
From: Wietse Venema (wietse
porcupine.org)
Date: Thu Jul 07 2005 - 15:47:03 CDT
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Andrzej Kuku?a:
[ Charset ISO-8859-1 unsupported, converting... ]
> Hello,
>
> I just remembered an interesting topic on CDB performance problem
> related to mmap()ing and munmap()ing the database on every query.
> Worth reading.
>
> <http://msgs.securepoint.com/cgi-bin/get/djbdns-0404/34.html>
>
> I think it has no impact on Postfix, but it's worth noting in case of
> (possible?) future problems in this field...
A Postfix daemon process opens maps once, typically before dropping
privileges. The chroot feature would otherwise not work.
Wietse
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