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

Product type Paperback

Published in Apr 2017

Publisher

ISBN-13 9781785883187

Length 556 pages

Edition 3rd Edition

Languages

SQL

Tools

PostgreSQL

Concepts

Database Administration

Authors (4):

Gianni Ciolli

Hannu Krosing

Gabriele Bartolini

Simon Riggs

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Table of Contents (13) Chapters

Preface

1. First Steps FREE CHAPTER

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

Actions for heavy users of temporary tables

If you are a heavy user of temporary tables in your applications, then there are some additional actions that you may need to perform.

How to do it...

There are four main things to check, which are as follows:

Make sure you run VACUUM on system tables, or enable autovacuum to do this for you.
Monitor running queries to see how many temporary files are active and how large they are.
Tune the memory parameters. Think about increasing the temp_buffers parameter, but be careful not to overallocate memory by doing so.
Separate the temp table's I/O. In a query-intensive system, you may find that reads/writes to temporary files exceed reads/writes on permanent data tables and indexes...

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Authors (3)

Simon Riggs

Simon Riggs is the CTO of 2ndQuadrant, having contributed to PostgreSQL as a major developer and committer for 14 years. He has written and designed features for replication, performance, BI, management, and security. Under his guidance, 2ndQuadrant is now a leading developer of open source PostgreSQL, serving hundreds of clients in USA, Europe, and worldwide. Simon is a frequent speaker at many conferences on PostgreSQL Futures. He has worked as a database architect for 30 years.

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Bartolini

Gabriele Bartolini is a long-time open source programmer, now head of support at 2ndQuadrant, and an active member of the international PostgreSQL community. Gabriele has a degree in statistics from the University of Florence. His areas of expertise are data mining and data warehousing, and he has worked on web traffic analysis in Australia and Italy. He currently lives in Prato, a small but vibrant city located in the northern part of Tuscany, Italy. His second home is Melbourne, Australia, where he studied at Monash University and worked in the ICT sector. Gabriele's hobbies include playing his Fender Stratocaster electric guitar and "calcio" (football or soccer, depending on which part of the world you come from).

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GIANNI CIOLLI

Gianni Ciolli is the head of professional services at 2ndQuadrant and has been a PostgreSQL consultant, trainer, and speaker at many PostgreSQL conferences in Europe and abroad over the last 10 years. He has a PhD in Mathematics from the University of Florence. He has worked with free and open source software since the 1990s and is active in the community (the Prato Linux User Group and the Italian PostgreSQL Users Group). He lives in London with his son. His other interests include music, drama, poetry, and athletics.

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