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PostgreSQL 9 Administration Cookbook - Second Edition
book

PostgreSQL 9 Administration Cookbook - Second Edition

by Simon Riggs, GIANNI CIOLLI, Hannu Krosing, Gabriele Bartolini
April 2015
Intermediate to advanced content levelIntermediate to advanced
504 pages
11h 41m
English
Packt Publishing
Content preview from PostgreSQL 9 Administration Cookbook - Second Edition

Checking which queries are running

Here, we will show you how to check which query is currently running.

Getting ready

You have to make sure that you are logged in as a superuser or as the same database user you want to check. Also, ensure that the parameter track_activities = on is set (default behavior).

This can be done either in the postgresql.conf file or by the superuser, using the following SQL statement:

SET track_activities = on

The way PostgreSQL allows a user to change configuration parameters at runtime is very powerful. You are advised to look at the reference page at http://www.postgresql.org/docs/current/static/sql-set.html.

How to do it…

To see which connected users are running at this moment, just run the following:

SELECT datname, ...
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Publisher Resources

ISBN: 9781849519069Supplemental Content