Re: Log Rotation

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