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PostgreSQL 12 High Availability Cookbook - Third Edition

You're reading from PostgreSQL 12 High Availability Cookbook - Third Edition

Product type Book

Published in Feb 2020

Publisher Packt

ISBN-13 9781838984854

Pages 734 pages

Edition 3rd Edition

Languages

Concepts

Author (1):

Shaun Thomas

Table of Contents (17) Chapters

Preface

1. Architectural Considerations

2. Hardware Planning

3. Minimizing Downtime

4. Proxy and Pooling Resources

5. Troubleshooting

6. Monitoring

7. PostgreSQL Replication

8. Backup Management

9. High Availability with repmgr

10. High Availability with Patroni

11. Low-Level Server Mirroring

12. High Availability via Pacemaker

13. High Availability with Multi-Master Replication

14. Data Distribution

15. Zero-downtime Upgrades

16. Other Books You May Enjoy

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Monitoring progress

One important step for establishing an upgrade target is to watch and ensure all data from the old cluster successfully migrates to the new one. There are multiple methods for accomplishing this task, and we may choose to try all of them for safety, or just so we know how long we may need to wait until the new cluster is ready.

This recipe will explain a few easy ways to check the state of a subscription while it performs the initial data synchronization.

Getting ready

Please follow all previous recipes in this chapter before starting here.

How to do it...

...

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Authors (1)

Shaun Thomas

Shaun M. Thomas has been working with PostgreSQL since late 2000. He is a frequent contributor to the PostgreSQL Performance and General mailing lists, assisting other DBAs with the knowledge he's gained over the years. In 2011 and 2012, he gave presentations at the Postgres Open conference on topics such as handling extreme throughput, high availability, server redundancy, and failover techniques. Most recently, he has contributed the Shard Manager extension and the walctl WAL management suite. Currently, he serves as the database architect at PEAK6 Investments, where he develops standard operating procedure (SOP) guidelines to facilitate reliable server architecture among many other tasks. Many of the techniques used in this book were developed specifically for this extreme environment. He believes that PostgreSQL has a stupendous future ahead, and he can't wait to see the advancements subsequent versions will bring. https://www.linkedin.com/in/bonesmoses

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