Re: Online enabling of checksums

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Daniel Gustafsson <daniel(at)yesql(dot)se>, Robert Haas <robertmhaas(at)gmail(dot)com>, Magnus Hagander <magnus(at)hagander(dot)net>, Andrey Borodin <x4mmm(at)yandex-team(dot)ru>, Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, Michael Banck <michael(dot)banck(at)credativ(dot)de>, Greg Stark <stark(at)mit(dot)edu>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Online enabling of checksums
Date: 2018-08-01 16:45:27
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On Wed, Aug 1, 2018 at 09:39:43AM -0700, Andres Freund wrote:
> On 2018-08-01 12:36:13 -0400, Bruce Momjian wrote:
> > This patchset is weird because it is perhaps our first case of trying to
> > change the state of the server while it is running. We just don't have
> > an established protocol for how to orchestrate that, so we are limping
> > along toward a solution.
> There's a number of GUCs that do this? Even in related areas,
> cf. full_page_writes.

How is that taking the server from one state to the next in a
non-instantaneous way?

Bruce Momjian <bruce(at)momjian(dot)us>

+ As you are, so once was I. As I am, so you will be. +
+ Ancient Roman grave inscription +

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