-------- Original message --------
From: Nik Tek <niktek2005@xxxxxxxxx>
Date: 12/28/2015 6:05 PM (GMT-06:00)
To: Matheus de Oliveira <matioli.matheus@xxxxxxxxx>
Cc: pgsql-admin@xxxxxxxxxxxxxx
Subject: Re: log_statement vs Statistics Collector (pg_stat_database,, etc)
Thank you Matheus!
Based on the study, there's very little performance impact when enabling log_min_duration_statement, right?
Thank you
Nik
On Sun, Dec 27, 2015 at 5:35 AM, Matheus de Oliveira
<matioli.matheus@xxxxxxxxx> wrote:
On Thu, Dec 24, 2015 at 7:32 PM, Nik Tek <niktek2005@xxxxxxxxx> wrote:
I wanted to capture all the DML statements executed in the database information (execution time, ).
Question:Can anyone point me pros and cons on either of the approaches.
In my testing, I haven't found any performance degrade on application operations when enabled the additional logging (below logging).
Besides log_min_duration_statement, you can use tools like pg_stat_statements [1] and POWA [2]. POWA authors even did a comparison of performance impact of having log_min_duration_statement (to latter process with pgBadger), using POWA extension and nothing, see [3].
[1] http://www.postgresql.org/docs/current/static/pgstatstatements.html
[2] http://dalibo.github.io/powa/
[3] https://github.com/dalibo/powa/wiki/POWA-vs-pgBadger
--
Matheus de Oliveira
Thank you
NikTeki
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