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From: Adrian Klaver <[email protected]>
To: Saul Perdomo <[email protected]>
To: Paul Brindusa <[email protected]>
Cc: pgsql-general <[email protected]>
Subject: Re: Return of the pg_wal issue..
Date: Thu, 23 Jan 2025 08:07:26 -0800
Message-ID: <[email protected]> (raw)
In-Reply-To: <CAN3jBgG8W+hiQqUGtJaVkE3wfTmmLO_XqQt=PPvGQbHMcgmndg@mail.gmail.com>
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On 1/23/25 06:51, Saul Perdomo wrote:

> This is why everybody will tell you "don't just delete these files, 
> archive them properly!" Again, for operational purposes, you could just 
> delete them. But you really want to make a /copy /of them before you 
> do... you know, /just in case /something bad happens to your DB that 
> makes you want to roll it back in time.

No you can't just delete them for operational purposes without knowledge 
of whether they are still needed or not.

Per:

https://www.postgresql.org/docs/current/wal-intro.html

and

https://www.postgresql.org/docs/current/wal-configuration.html

Short version, a WAL file must remain until a checkpoint is done that 
makes it's content no longer needed.

> Cheers
> Saul
> 

-- 
Adrian Klaver
[email protected]







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