Horton

Re: Remove non-fast promotion Re: Should we remove a fallback promotion? take 2

Michael Paquier <michael@paquier.xyz>

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From: Michael Paquier <michael@paquier.xyz>
To: Fujii Masao <masao.fujii@oss.nttdata.com>
Cc: Andres Freund <andres@anarazel.de>, Alvaro Herrera <alvherre@2ndquadrant.com>, Robert Haas <robertmhaas@gmail.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2020-04-21T06:36:22Z
Lists: pgsql-hackers 
On Tue, Apr 21, 2020 at 03:29:54PM +0900, Fujii Masao wrote:
> Yeah, but that's not documented. So I don't think that we need to keep
> the backward-compatibility for that.
> 
> Also in that case, non-fast promotion is triggered. Since my patch
> tries to remove non-fast promotion, it's intentional to prevent them
> from doing that. But you think that we should not drop that because
> there are still some users for that?

It would be good to ask around to folks maintaining HA solutions about
that change at least, as there could be a point in still letting
promotion to happen in this case, but switch silently to the fast
path.
--
Michael

Commits

  1. Remove non-fast promotion.