Re: Converting WAL to SQL

From: Michael Paquier <michael(at)paquier(dot)xyz>
To: Fabrízio de Royes Mello <fabriziomello(at)gmail(dot)com>
Cc: rajesh singarapu <rajesh(dot)rs0541(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: Converting WAL to SQL
Date: 2022-01-05 02:37:23
Message-ID: YdUEY6oHK/2FC4lz@paquier.xyz
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

On Tue, Jan 04, 2022 at 10:47:47AM -0300, Fabrízio de Royes Mello wrote:
> I used it in the past during a major upgrade process from 9.2 to 9.6.
>
> What we did was decode the 9.6 wal files and apply transactions to the
> old 9.2 to keep it in sync with the new promoted version. This was our
> "rollback" strategy if something went wrong with the new 9.6 version.

Oh, cool. Thanks for the feedback.
--
Michael

In response to

Browse pgsql-hackers by date

  From Date Subject
Next Message Kyotaro Horiguchi 2022-01-05 02:47:57 Re: GUC flags
Previous Message wangw.fnst@fujitsu.com 2022-01-05 02:05:08 RE: row filtering for logical replication