The parameter "log_directory" on postgresql.conf, you can define where it'll be created. The name of the log file is defined on "log_filename".
De: "Dinesh Chandra 12108" <Dinesh.Chandra@cyient.com> Para: "ProPAAS DBA" <dba@propaas.com>, pgsql-performance@postgresql.org Cc: "Dinesh Chandra 12108" <Dinesh.Chandra@cyient.com> Enviadas: Quinta-feira, 23 de Fevereiro de 2017 13:44:05 Assunto: Re: [PERFORM] How to log quires which are taking time in PostgreSQL 9.1.
From: pgsql-performance-owner@postgresql.org [mailto:pgsql-performance-owner@postgresql.org] On Behalf Of ProPAAS DBA Sent: 23 February, 2017 10:01 PM To: pgsql-performance@postgresql.org Subject: Re: [PERFORM] How to log quires which are taking time in PostgreSQL 9.1.
set log_min_duration_statement = 300,000
(300,000 ms = 5min)
From the docs:
log_min_duration_statement (integer)
Causes the duration of each completed statement to be logged if the statement ran for at least the specified number of milliseconds. Setting this to zero prints all statement durations. Minus-one (the default) disables logging statement durations. For example, if you set it to 250ms then all SQL statements that run 250ms or longer will be logged. Enabling this parameter can be helpful in tracking down unoptimized queries in your applications. Only superusers can change this setting.
On 02/23/2017 09:21 AM, Dinesh Chandra 12108 wrote:
Dear expert,
I want to log only that queries which are taking around 5 minutes to execute.
I have a database size >1.5T and using PostgreSQL 9.1 with Linux OS.
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