Re: Murder confusion -- two mupdate slaves, lmtpproxyd's always connecting to master

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On Tuesday 10 November 2009 @ 12:37, Michael Bacon wrote:
> I saw this recommendation elsewhere, but I don't understand why one
> would set mupdate_config: unified if I'm not, in fact, running a
> unified murder. What's the gain here?  We have dedicated front-end
> boxes and dedicated back-end boxes.  Is this just sort of a, "yeah,
> it's not for that, but it does what you want anyway" kind of
> things?

Unfortunately it's not well documented, but the unified murder config 
currently only works on a proxy host.  Don't try to configure it on 
a "backend" machine that has local mailboxes!!!  Unless you want to 
manually fix up the mailboxes.db and mupdate master. :)  There are a 
few reports in the bugzilla from people who have tried to do that and 
mucked things up.  

So to answer your question, basically yes.  The gain is that using it 
on a proxy gives you the behavior you want,  which is lmtpd checks 
it's local db copy first instead of asking mupdate on every delivery.  
It seems to me like the behavior anyone running murder would want, 
but for some reason that isn't apparently true.

-Brian
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