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From: David Steele <[email protected]>
To: Andrey M. Borodin <[email protected]>
To: Alvaro Herrera <[email protected]>
Cc: Stefan Fercot <[email protected]>
Cc: Robert Haas <[email protected]>
Cc: Tomas Vondra <[email protected]>
Cc: Michael Paquier <[email protected]>
Cc: [email protected] <[email protected]>
Subject: Re: post-freeze damage control
Date: Wed, 10 Apr 2024 09:29:38 +1000
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<[email protected]>

On 4/10/24 01:59, Andrey M. Borodin wrote:
> 
>> On 9 Apr 2024, at 18:45, Alvaro Herrera <[email protected]> wrote:
>>
>> Maybe we should explicitly advise users to not delete that WAL from
>> their archives, until pg_combinebackup is hammered a bit more.
> 
> As a backup tool maintainer, I always reference to out-of-the box Postgres tools as some bulletproof alternative.
> I really would like to stick to this reputation and not discredit these tools.

+1.

Even so, only keeping WAL for the last backup is a dangerous move in any 
case. Lots of things can happen to a backup (other than bugs in the 
software) so keeping WAL back to the last full (or for all backups) is 
always an excellent idea.

Regards,
-David

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