Re: Log retention query

From: Junwang Zhao <zhjwpku(at)gmail(dot)com>
To: Paul Brindusa <paulbrindusa88(at)gmail(dot)com>
Cc: pgsql-general <pgsql-general(at)postgresql(dot)org>
Subject: Re: Log retention query
Date: 2025-01-28 12:19:28
Message-ID: CAEG8a3+p5r3Mk4WPQKxTiExHNZXUfd3sTm1p9CpP9Fn3Jbf3JA@mail.gmail.com
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On Tue, Jan 28, 2025 at 5:57 PM Paul Brindusa <paulbrindusa88(at)gmail(dot)com> wrote:
>
> Good morning everyone,
>
> Before I get on with today's problem, I would like to say how much I appreciate this community and everything that you do for end users.
>
> In today's problem I would like to understand if the following lines in our config handle the log rotation for our clusters?
>
> log_checkpoints: on
> logging_collector: on
> log_truncate_on_rotation: on
> log_rotation_age: 1d
> log_rotation_size: 1GB
> log_error_verbosity: verbose
>
> I have been deleting the logs manually for the last month, since I am confused how the log collector rotates them.
>
> Am looking to delete logs older than 180 days. What are we doing wrong in the config?

I doubt Postgres can do this, but you can do this by adding a crontab
entry. e.g.

0 2 * * * find /path/to/logs -type f -mtime +180 -name "*.log" -exec rm {} \;

>
> --
> Kind Regards,
> Paul Brindusa
> paulbrindusa88(at)gmail(dot)com
>

--
Regards
Junwang Zhao

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