| From: | Bruce Momjian <bruce(at)momjian(dot)us> |
|---|---|
| To: | Daniel Gustafsson <daniel(at)yesql(dot)se> |
| Cc: | Magnus Hagander <magnus(at)hagander(dot)net>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, Michael Banck <michael(dot)banck(at)credativ(dot)de>, Justin Pryzby <pryzby(at)telsasoft(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>, Andres Freund <andres(at)anarazel(dot)de>, Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, PostgreSQL Developers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Online checksums patch - once again |
| Date: | 2021-03-09 18:12:06 |
| Message-ID: | 20210309181206.GE26575@momjian.us |
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| Lists: | pgsql-hackers |
On Mon, Feb 15, 2021 at 02:02:02PM +0100, Daniel Gustafsson wrote:
> > On 11 Feb 2021, at 14:10, Bruce Momjian <bruce(at)momjian(dot)us> wrote:
> > I don't think anyone has done anything wrong --- rather, it is what we
> > are _trying_ to do that is complex.
>
> Global state changes in a cluster are complicated, and are unlikely to never
> not be. By writing patches to attempts such state changes we can see which
> pieces of infrastructure we're lacking to reduce complexity. A good example is
> the ProcSignalBarrier work that Andres and Robert did, inspired in part by this
> patch IIUC. The more we do, the more we learn.
Do we support or document the ability to create a standby with checksums
from a primary without it, and is that a better approach?
--
Bruce Momjian <bruce(at)momjian(dot)us> https://momjian.us
EDB https://enterprisedb.com
The usefulness of a cup is in its emptiness, Bruce Lee
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