Re: log_min_duration_statement

From: Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com>
To: bhargav kamineni <bhargavpostgres(at)gmail(dot)com>, pgsql-general(at)lists(dot)postgresql(dot)org
Subject: Re: log_min_duration_statement
Date: 2019-01-24 15:23:34
Message-ID: 1c863dfe-116c-1d53-69d4-0b9cb658b698@aklaver.com
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On 1/24/19 6:23 AM, bhargav kamineni wrote:
> Hi Team,,
>
> I have set log_min_duration_statement=1000 as my configuration but when
> i observe log file i could see queries that ran below 1000ms are also
> getting logged , for instance
> duration: 0.089 ms
>  duration: 0.175 ms
>  duration: 0.139 ms
>  duration: 0.451 ms
> duration: 0.136 ms
>  duration: 0.340 ms
>  duration: 0.150 ms
> duration: 0.440 ms
> duration: 0.338 ms
>  duration: 0.156 ms
> tion: 0.396 ms
>  duration: 0.221 ms
> duration: 0.161 ms
>  *************

The above would not happen to be autovacuum statements?

You have log_autovacuum_min_duration = 0 below.

> these are my logsettings
>
>               name               |                      setting
> ---------------------------------+---------------------------------------------------
>  log_autovacuum_min_duration     | 0
>  log_checkpoints                 | on
>  log_connections                 | on
>  log_destination                 | syslog
>  log_directory                   | log
>  log_disconnections              | on
>  log_duration                    | off
>  log_error_verbosity             | default
>  log_executor_stats              | off
>  log_file_mode                   | 0600
>  log_filename                    | postgresql-%Y-%m-%d_%H%M%S.log
>  log_hostname                    | off
>  log_line_prefix                 |
> appname=%a,user=%u,db=%d,pid=%p,txid=%x,vtxid=%v
>  log_lock_waits                  | on
>  log_min_duration_statement      | 1000
>  log_min_error_statement         | error
>  log_min_messages                | error
>  log_parser_stats                | off
>  log_planner_stats               | off
>  log_replication_commands        | off
>  log_rotation_age                | 1440
>  log_rotation_size               | 10240
>  log_statement                   | all
>  log_statement_stats             | off
>  log_temp_files                  | 0
>  log_timezone                    | Navajo
>  log_truncate_on_rotation        | off
>  logging_collector               | on
>  max_logical_replication_workers | 4
>  syslog_facility                 | local4
>  syslog_ident                    | postgres
>  syslog_sequence_numbers         | on
>  syslog_split_messages           | on
>  wal_log_hints                   | off
>
> Regards,
> Bhargav K
>
>

--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com

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