On Sun, Mar 15, 2015 at 2:27 PM, Andres Freund <and...@2ndquadrant.com>
wrote:

> On 2015-03-12 15:52:02 +0100, Andres Freund wrote:
> >       /*
> >        * Override any inconsistent requests. Not that this is a change
> >        * of behaviour in 9.5; prior to this we simply ignored a request
> >        * to pause if hot_standby = off, which was surprising behaviour.
> >        */
> >       if (recoveryTargetAction == RECOVERY_TARGET_ACTION_PAUSE &&
> >               recoveryTargetActionSet &&
> >               standbyState == STANDBY_DISABLED)
> >               recoveryTargetAction = RECOVERY_TARGET_ACTION_SHUTDOWN;
>
> While it's easy enough to fix I rather dislike the whole intent here
> though. *Silently* switching the mode of operation in a rather
> significant way seems like a bad idea to me. At the very least we need
> to emit a LOG message about this; but I think it'd be much better to
> error out instead.
>
> <9.5's behaviour was already quite surprising. But changing things to a
> different surprising behaviour seems like a bad idea.
>

+1. Especially for "sensitive" operations like this, having
predictable-behavior-or-error is usually the best choice.

-- 
 Magnus Hagander
 Me: http://www.hagander.net/
 Work: http://www.redpill-linpro.com/

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