Re: [HACKERS] v10 pg_ctl compatibility

Hi,

On 2017-09-26 11:59:42 -0700, Jeff Janes wrote:
> Should the release notes have a compatibility entry about pg_ctl restart,
> being used against a running pre-10 server, no longer being able to detect
> when startup is complete?
> 
> I don't know if cross-version use of pg_ctl restart was ever officially
> supported, but the current behavior is rather confusing (waiting for a long
> time, and then reporting failure, even though it started successfully).

I'm actually tempted to just make pg_ctl verify the right version of
postgres is being used. Maybe I'm missing something, but what's the
use-case for allowing it, and every couple releases have some breakage?

Greetings,

Andres Freund


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