Re: Turning recovery.conf into GUCs - Mailing list pgsql-hackers

From Alex Shulgin
Subject Re: Turning recovery.conf into GUCs
Date
Msg-id 87zjbgp8cc.fsf@commandprompt.com
Whole thread Raw
In response to Re: Turning recovery.conf into GUCs  (Josh Berkus <josh@agliodbs.com>)
List pgsql-hackers
Josh Berkus <josh@agliodbs.com> writes:
>> 
>> only that you need to start in recovery mode to start replication
>
> Right, but my point is that having a trigger file *is not necessary for
> replication, only for PITR* -- and maybe not necessary even for PITR.
> That is, in a streaming replication configuration, having a
> "standby_mode = on|off" parameter is 100% sufficient to control
> replication with the small detail that "pg_ctl promote" needs to set it
> in pg.auto.conf or conf.d.
>
> And, now, having given it some thought, I'm going to argue that it's not
> required for PITR either, provided that we can use the auto.conf method.
>
> Before I go into my ideas, though, what does the current patch do
> regarding non-replication PITR?

It removes that $PGDATA/standby.enable trigger file it relies on to
start the PITR in the first place.

--
Alex



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