Re: Document recovery_target_action behavior?

On Sat, Sep 28, 2019 at 2:52 AM David Steele <david@pgmasters.net> wrote:
>
> Hackers,
>
> In versions < PG12 recovery_target_action has a behavior that appears to
> be a bug, or is at least undocumented.  If hot_standby = off and
> recovery_target_action is not specified then the cluster will promote
> when the target is found rather than shutting down as the documentation
> seems to indicate.  If recovery_target_action is explicitly set to pause
> then the cluster will shutdown as expected.

Good catch!

> In PG12 the shutdown occurs even when recovery_target_action is not
> explicitly set.  This seems like good behavior and it matches the
> documentation as I read it.

Agreed.

> The question for the old versions: is this something that should be
> fixed in the code or in the documentation?
>
> My vote is to make this explicit in the documentation, since changing
> the recovery behavior in old versions could lead to nasty surprises.

+1 to update the documentation.

Regards,

-- 
Fujii Masao