From: Tom Lane <tgl@sss.pgh.pa.us>
To: SOzcn <selahattinozcnma@gmail.com>
cc: Pgsql-admin <pgsql-admin@lists.postgresql.org>
Subject: Re: Log Rotation
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Comments: In-reply-to SOzcn <selahattinozcnma@gmail.com>
	message dated "Tue, 12 Dec 2023 19:11:12 +0300"
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Date: Tue, 12 Dec 2023 11:18:02 -0500
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SOzcn <selahattinozcnma@gmail.com> writes:
> I set the parameters as a daily. The set parameters are as follows.

> In this case, the log file is created as
> "postgresqllogtest-2023-12-12_182351.log" after the 13th day file, the logs
> in the 12th day file need to be truncated.

> Is the expected result correct? Or does PostgreSQL not support deleting,
> truncating files? I got successful results when I did this process hourly.
> However, I could not get a correct result when I tried it daily log
> truncate.

If you want log rotation, you need to choose your filename pattern
so that old log files will be overwritten after a while; or else
set up some external tool for removing the old ones.  Postgres does
not do anything to keep track of old log files.

			regards, tom lane