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PostgreSQL 13 Cookbook

You're reading from PostgreSQL 13 Cookbook

Product type Book

Published in Feb 2021

Publisher Packt

ISBN-13 9781838648138

Pages 344 pages

Edition 1st Edition

Languages

Concepts

Author (1):

Vallarapu Naga Avinash Kumar

Table of Contents (14) Chapters

Preface

1. Cluster Management Fundamentals

2. Cluster Management Techniques

3. Backup and Recovery

4. Advanced Replication Techniques

5. High Availability and Automatic Failover

6. Connection Pooling and Load Balancing

7. Securing through Authentication

8. Logging and Analyzing PostgreSQL Servers

9. Critical Services Monitoring

10. Extensions and Performance Tuning

11. Upgrades and Patches

12. About Packt

Why subscribe?

13. Other Books You May Enjoy

Major version upgrade to PostgreSQL 13 using pg_dumpall

We discussed logical backups and the purpose of pg_dumpall in Chapter 3, Backup and Recovery. pg_dumpall is the only utility that can perform a logical backup of the whole cluster. This backup includes globals (such as users or tablespaces) and databases. The same pg_dumpall can be used to dump the whole cluster from an older version and restore it into PostgreSQL 13. In this recipe, we shall discuss the steps involved in performing an upgrade from PostgreSQL 9.3 to PostgreSQL 13 using pg_dumpall.

Getting ready

In order to perform a logical backup of a cluster, we need to have sufficient space on the server. If the upgrade is being performed within the same server, then we need to make sure that we have at least three times the space of the existing database cluster (excluding the space required by WAL segments and log files).

As an example, if we have a PostgreSQL 9.3 cluster with a size of 100 GB, we should have the following:

...

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Authors (1)

Vallarapu Naga Avinash Kumar

Vallarapu Naga Avinash Kumar is currently working as a PostgreSQL Tech Lead at Percona. Before joining Percona, Avi worked as a Database Architect at OpenSCG for 2 Years and as a DBA Lead at Dell for 10 Years in Database technologies such as PostgreSQL, Oracle, MySQL and MongoDB. He has given several talks and trainings on PostgreSQL. He has good experience in performing Architectural Health Checks, Performance Tuning and Migrations to PostgreSQL Environments. He has also co-authored a book - Beginning PostgreSQL on Cloud that gives an introduction to building PostgreSQL on AWS, Microsoft Azure, Google Cloud and Rackspace cloud platforms. He has been a speaker at several PostgreSQL conferences in North America, Europe and Asia every year and continuing to blog on PostgreSQL.

See other products by Vallarapu Naga Avinash Kumar

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