Re: log_filename_prefix --> log_filename + strftime()

From: Andreas Pflug <pgadmin(at)pse-consulting(dot)de>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: "Ed L(dot)" <pgsql(at)bluepolka(dot)net>, Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, pgsql-patches(at)postgresql(dot)org
Subject: Re: log_filename_prefix --> log_filename + strftime()
Date: 2004-08-29 09:12:20
Message-ID: 41319DF4.3060407@pse-consulting.de
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Tom Lane wrote:
> Andreas Pflug <pgadmin(at)pse-consulting(dot)de> writes:
>
>>Tom Lane wrote:
>>
>>>I can see the value of not needing any cron daemon to remove old logs.
>
>
>>No other logs on your system to purge?
>
>
> The DBA isn't necessarily also root.

Interesting this argument comes from you.. :-)

Tasks like purging old log files is certainly not a job that needs to be
implemented in the backend; instead, an external database maintenance
agent should do that.
Such an agent (pgadmin TODO list working title: pgAgent, there was a
lengthy discussion "Scheduled jobs" starting 2004-05-12), allowing
scheduled sql scripts, would delete old log files using

select pg_file_unlink(filename)
from pg_logdir_ls
where filetime < now() - '8 days'::interval

*if* this functionality isn't corrupted by arbitrary selectable file
name formatting.

Regards,
Andreas

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