Re: pg_config, pg_service.conf, postgresql.conf .... - Mailing list pgsql-hackers

From Mark Kirkwood
Subject Re: pg_config, pg_service.conf, postgresql.conf ....
Date
Msg-id 44062296.20305@paradise.net.nz
Whole thread Raw
In response to Re: pg_config, pg_service.conf, postgresql.conf ....  (Bruce Momjian <pgman@candle.pha.pa.us>)
List pgsql-hackers
Bruce Momjian wrote:
> Mark Kirkwood wrote:
> 
>>>What if we add an option to initdb to allow the user to specify the name
>>>and location of the postgresql.conf file?
>>
>>That is certainly a way to approach it, I see the tough bit being the 
>>parsing of postgresql.conf to figure out which parts of the global 
>>included file to ignore (i.e the stuff for the *other* clusters).
>>
>>Would this work for the situation where you have older clusters on the 
>>box (versions that don't understand 'include')?
>>
>>Additionally this would need to tackle start|stop etc for all clusters...
> 
> 
> I guess I am thinking we should move in a direction where all the
> postgresql.conf files can be put in a single directory and pg_ctl would
> know how to process multiple config files, 

Ok - that certainly makes a lot of sense. I do see a need to be able to 
handle older versions tho (I'm guessing that this could probably be made 
to work as long as a *newer* pg_ctl parsing the config files). At first 
sight this looks more complicated to implement (this not necessarily 
being a major objection in this audience :-))
> rather than create a central
> file with conflicts with postgresql.conf.
> 

With respect to this point, the minimal proposal is a register of 
instance binary homes and data directories (plus a name/alias to identify):

ALIAS PGHOME PGDATA

I don't believe this conflicts with any postgresql.conf - it is merely a 
'signpost' to where they are. (Now Mark W and myself were suggesting 
having PORT and may OPTS there too, but see prev mail about that - I'm 
ok about losing these).

Cheers

Mark


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