Re: Log retention query
Paul Brindusa <paulbrindusa88@gmail.com>
From: Paul Brindusa <paulbrindusa88@gmail.com>
To: Laurenz Albe <laurenz.albe@cybertec.at>
Cc: pgsql-general <pgsql-general@postgresql.org>
Date: 2025-01-28T13:40:42Z
Lists: pgsql-general
@Junwang apologies, I should have mentioned that we've tried setting up a crontab and it has not worked. Have you got something similar working? @Laurenz: log_filename: postgresql-%Y-%m-%d.log -- if we redo the syntax can we make it trigger garbage collection on 180 days? On Tue, Jan 28, 2025 at 1:28 PM Laurenz Albe <laurenz.albe@cybertec.at> wrote: > On Tue, 2025-01-28 at 09:57 +0000, Paul Brindusa 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? > > It all depends on how you configured "log_filename". > > If the setting is "postgresql-%a.log" or "postgresql-%d.log", PostgreSQL > will recycle the old log files once a week or once a month. > > If the setting is the default "postgresql-%Y-%m-%d_%H%M%S.log", the same > log file name will never be reused, and there will be no log rotation. > > PostgreSQL doesn't actively delete old log files. > > Yours, > Laurenz Albe > -- Kind Regards, Paul Brindusa paulbrindusa88@gmail.com