PATCH for lmtp was [frontend lmtp connections to mupdate master]

[Bron Gondwana]

I'm convinced :)  I'll probably add it with Ken while we're at CMU in a couple of weeks when we can test it together.  This is precisely the kind of thing we love to see!  Thanks.

Bron.

On Tue, Oct 7, 2014, at 10:23 PM, Michael Menge wrote:
> Hi,
> 
> as we have had an other crash of mupdate master last week, we used the
> patch on our production system.
> 
> After the patch was added the load on mupdate master was dropping form
> about 10 to about 1.
> 
> After one week of using it we have not found any problems.
> As I have not received any other feedback, I added it to the
> bugtracker.
> 
> https://bugzilla.cyrusimap.org/show_bug.cgi?id=3866
> 
> Pleas consider adding it to 2.5 and 2.4.next
> 
> Regards
> 
>     Michael
> 
> 
> Quoting Michael Menge <michael.menge at zdv.uni-tuebingen.de>:
> 
> > Hi,
> >
> >
> > Quoting Michael Menge <michael.menge at zdv.uni-tuebingen.de>:
> >
> >> Quoting Michael Menge <michael.menge at zdv.uni-tuebingen.de>:
> >>
> >>> By thew way, the reason I was so surprised in the first place was, that
> >>> I have been fooled by the documentation:
> >>> Quoting https://cyrusimap.org/docs/cyrus-imapd/2.4.17/install-murder.php
> >>>
> >>>> Configuring the frontends
> >>>> [...]
> >>>> However, because the frontends only talk to the mupdate master  
> >>>> via   a  slave running on the local machine, you will also need  
> >>>> to set  up  a  slave on the same machine, in the SERVICES section  
> >>>> of   cyrus.conf,  like so
> >>
> >> And an other misleading DOC !
> >> Quoting    
> >> http://www.cyrusimap.org/mediawiki/index.php/Cyrus_Murder_Mail_Delivery
> >>> UMich patch
> >>>
> >>> Patch Patches are against 2.2 but are being moved to 2.3  
> >>> Lmtpproxyd   will now use the local mailboxes.db
> >>
> >
> > Quoting Wesley Craig <wescraig at gmail.com>:
> >
> >> On 29 Sep 2014, at 10:08, Michael Menge   
> >> <michael.menge at zdv.uni-tuebingen.de> wrote:
> >>> thanks for your mail. By any chance do you still have the patch?
> >>
> >> In fact, I don't.  Dusting off my notes, I recall now that instead   
> >> of patching this (bogus) code, we instead decided to configure the   
> >> frontends as "unified", while leaving the backends "standard".  The  
> >>  only downside of this approach was that a naive admin could   
> >> potentially create a user's mailbox on a frontend.
> >>
> >> Sorry I said that we ported that code forward: in fact we simply  
> >> got  the effect of consulting mailboxes.db without porting forward.
> >>
> >> :wes
> >
> > I have patched my lmtpd to use the local mailbox.db in all cases,
> > unified Murder, and standalone cyrus already did this.
> > I tested it with a few testmails on my test system,
> > but as i don't have a unified setup or a standalone test system
> > at the moment i didn't test these setups.
> >
> > I would appreciate a review.
> >
> >
> > Regards,
> >
> >    Michael Menge
> >
> >
> > --------------------------------------------------------------------------------
> > M.Menge                                Tel.: (49) 7071/29-70316
> > Universität Tübingen                   Fax.: (49) 7071/29-5912
> > Zentrum für Datenverarbeitung          mail:   
> > michael.menge at zdv.uni-tuebingen.de
> > Wächterstraße 76
> > 72074 Tübingen
> 
> 
> 
> 
> --------------------------------------------------------------------------------
> M.Menge                                Tel.: (49) 7071/29-70316
> Universität Tübingen                   Fax.: (49) 7071/29-5912
> Zentrum für Datenverarbeitung          mail:  
> michael.menge at zdv.uni-tuebingen.de
> Wächterstraße 76
> 72074 Tübingen
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-- 
  Bron Gondwana
  brong at fastmail.fm