Re: log sql?

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Andrew Sullivan <andrew(at)libertyrms(dot)info>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: log sql?
Date: 2002-07-30 15:06:54
Message-ID: 200207301506.g6UF6sS25229@candle.pha.pa.us
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What we really need is something that prints the query, username, and
times for admins who want to see which queries are slow. That is on the
TODO list.

---------------------------------------------------------------------------

Andrew Sullivan wrote:
> On Tue, Jul 30, 2002 at 12:14:16AM -0400, Bruce Momjian wrote:
> > Andrew, what postgresql.conf parameter is query logging. I don't see
> > it. I see:
> >
> > #log_connections = false
> > #log_timestamp = false
> > #log_pid = false
>
> debug_print_query = true
>
> If you really want to see what's going on, you can also turn on any
> of these:
>
> #debug_print_parse = false
> #debug_print_rewritten = false
> #debug_print_plan = false
> #debug_pretty_print = false
>
> The _rewritten one is really interesting, and sometimes shows you why
> your query runs slowly. Not recommended for production systems,
> though!
>
> Note that all of this exacts a cost, so if you need really blazing
> performance, it's not a bad idea to turn it off. But for tracking
> down problems, nothing beats a good verbose log.
>
> A
>
> --
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