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PostgreSQL Administration Cookbook, 9.5/9.6 Edition - Third Edition

You're reading from PostgreSQL Administration Cookbook, 9.5/9.6 Edition - Third Edition

Product type Book

Published in Apr 2017

Publisher

ISBN-13 9781785883187

Pages 556 pages

Edition 3rd Edition

Languages

Concepts

Database Administration

Table of Contents (13) Chapters

Preface

1. First Steps

2. Exploring the Database

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

Analyzing the real-time performance of your queries

The pg_stat_statements extension adds the capability to track execution statistics of queries that are run in a database, including the number of calls, total execution time, total number of returned rows, and internal information on memory and I/O access.

It is evident how this approach opens up new opportunities in PostgreSQL performance analysis, by allowing DBAs to get insights directly from the database through SQL and in real time.

Getting ready

The pg_stat_statements module is available as a contrib module of PostgreSQL. The extension must be installed as a superuser in the desired databases. It also requires administrators to add the library in the postgresql.conf...

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