Heikki Linnakangas wrote:
> (starting yet another thread to stay focused)
> 
> Having mulled through all the recent discussions on synchronous 
> replication, ISTM there is pretty wide consensus that having a registry 
> of all standbys in the master is a good idea. Even those who don't think 
> it's *necessary* for synchronous replication seem to agree that it's 
> nevertheless a pretty intuitive way to configure it. And it has some 
> benefits even if we never get synchronous replication.
> 
> So let's put synchronous replication aside for now, and focus on standby 
> registration first. Once we have that, the synchronous replication patch 
> will be much smaller and easier to review.
> 
> The consensus seems to be use a configuration file called standby.conf. 
> Let's use the "ini file format" for now [1].
> 
> Aside from synchronous replication, there are three nice things we can 
> do with a standby registry:
> 
> A) Make monitoring easier. Let's have a system view to show the status 
> of all standbys [2].

It would be interesting if we could fire triggers on changes to that
status view.  I can see that solving many user management needs.

-- 
  Bruce Momjian  <br...@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + It's impossible for everything to be true. +

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