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PostgreSQL Administration Cookbook, 9.5/9.6 Edition

You're reading from   PostgreSQL Administration Cookbook, 9.5/9.6 Edition Effective database management for administrators

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Product type Paperback
Published in Apr 2017
Publisher
ISBN-13 9781785883187
Length 556 pages
Edition 3rd Edition
Languages
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Authors (4):
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Gianni Ciolli Gianni Ciolli
Author Profile Icon Gianni Ciolli
Gianni Ciolli
Hannu Krosing Hannu Krosing
Author Profile Icon Hannu Krosing
Hannu Krosing
Gabriele Bartolini Gabriele Bartolini
Author Profile Icon Gabriele Bartolini
Gabriele Bartolini
Simon Riggs Simon Riggs
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Simon Riggs
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Toc

Table of Contents (13) Chapters Close

Preface 1. First Steps 2. Exploring the Database FREE CHAPTER 3. Configuration 4. Server Control 5. Tables and Data 6. Security 7. Database Administration 8. Monitoring and Diagnosis 9. Regular Maintenance 10. Performance and Concurrency 11. Backup and Recovery 12. Replication and Upgrades

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 (the 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.

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