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Mastering PostgreSQL 10

You're reading from Mastering PostgreSQL 10 Expert techniques on PostgreSQL 10 development and administration

Product type Paperback

Published in Jan 2018

Publisher Packt

ISBN-13 9781788472296

Length 428 pages

Edition 1st Edition

Languages

C

Tools

PostgreSQL

Concepts

Database Administration

Table of Contents (19) Chapters

Title Page

Packt Upsell

Contributors

Preface

1. PostgreSQL Overview FREE CHAPTER

2. Understanding Transactions and Locking

3. Making Use of Indexes

4. Handling Advanced SQL

5. Log Files and System Statistics

6. Optimizing Queries for Good Performance

7. Writing Stored Procedures

8. Managing PostgreSQL Security

9. Handling Backup and Recovery

10. Making Sense of Backups and Replication

11. Deciding on Useful Extensions

12. Troubleshooting PostgreSQL

13. Migrating to PostgreSQL

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Index

Setting up asynchronous replication

After taking a look at transaction log archiving and PITR, we can focus our attention on one of the most widely used features in the PostgreSQL world today: streaming replication. The idea behind streaming replication is simple. After an initial base backup, the secondary can connect to the master and fetch a transaction log in real time and apply it. Transaction log replay is not a single operation anymore, but rather a continuous process that is supposed to keep running as long as the cluster exists.

Performing a basic setup

In this section, you will learn how to set up asynchronous replication quickly and easily. The goal is to set up a system consisting of two nodes.

Basically, most of the work has already been done for WAL archiving. However, to make it easy for you I will explain the entire process of setting up streaming, because we cannot assume that WAL shipping is really already set up as needed.

The first thing to do is to go to the postgresql.conf...

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