pg.ddx.io  pgsql-performance@postgresql.org mailing list archive  
help / color / mirror / Atom feed
From: Qingqing Zhou <zhouqq@cs.toronto.edu>
To: pgsql-performance@postgresql.org
Subject: Re: Logging SQL queries to optimize them ?
Date: Sun, 2 Apr 2006 22:45:34 +0800
Message-ID: <e0oo2d$2r7a$1@news.hub.org> (raw)
References: <e0859o$ea5$1@news.hub.org>


"Bruno Baguette" <pgsql-ml@baguette.net> wrote
>
>
> Is there a way to log all SQL queries, with the date/time when they were 
> launched, and the cost of that query (if this is possible) in order to see 
> which queries need to be optimized ?
>

See if log_statement, log_statement_stats parameters can help you. Also, 
EXPLAIN ANALYZE can help you more on the target query.

Regards,
Qingqing 





Message-ID: <e0oo2d$2r7a$1@news.hub.org>
Permalink:  ../e0oo2d$2r7a$1@news.hub.org/
Also on:    postgresql.org/message-id/e0oo2d$2r7a$1@news.hub.org

 · 

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: pgsql-performance@postgresql.org
  Cc: zhouqq@cs.toronto.edu
  Subject: Re: Logging SQL queries to optimize them ?
  In-Reply-To: <e0oo2d$2r7a$1@news.hub.org>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox