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From: Ben Rosengart (brpanix.com)
Date: Mon Apr 23 2001 - 14:52:52 CDT
On Sat, Apr 21, 2001 at 04:19:49PM +0400, Michael Tokarev wrote:
> Ben Rosengart wrote:
> > 1) Do you think I'm crazy?
> What caused you to ask this?? :)
Well, if the postfix-users thought I was barking up the wrong tree,
I'd find another tree to bark at.
> > 2) Is there a chance that nqmgr would help?
> Nqmgr will restart as frequently as qmgr does -- i.e. any change in
> any map postfix program uses causes this program to restart.
> Hm. This is also a good candidate to FAQ IMHO:
> Q. I updated (virtual, access, ... - peek one) map frequently, and
> postfix slows dosn a lot. What to do?
> A. Do not rebuild maps so frequently. There are rare situations when
> you really need to rebuild maps frequently. Some people uses a cron
> job that executes postmap every few minutes. Instead, write a makefile
> that will rebuild map only if source file(s) changed, and put a call
> to `make' to your cron job; you may even *increase* updating frequency
> in this case, to enshure that postfix uses more up-to-date info.
> But note that this doesn't fit well in a situation where you host tons
> of virtual domains and users constantly adds or deletes addresses in
> there. In this case, use sql or ldap map.
We rebuild the file every 15 minutes, but qmgr doesn't seem to reload
unless there's a change.
-- Ben Rosengart (212) 741-4400 x215
"My hair is my password. Verify me."
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