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PostgreSQL High Availability Cookbook - Second Edition

You're reading from PostgreSQL High Availability Cookbook - Second Edition

Product type Book

Published in Feb 2017

Publisher Packt

ISBN-13 9781787125537

Pages 536 pages

Edition 2nd Edition

Languages

Concepts

High Performance Programming

Author (1):

Shaun Thomas

Table of Contents (18) Chapters

Title Page

Credits

About the Author

About the Reviewer

www.Packtpub.com

Customer Feedback

Preface

1. Hardware Planning

2. Handling and Avoiding Downtime

3. Pooling Resources

4. Troubleshooting

5. Monitoring

6. Replication

7. Replication Management Tools

8. Simple Stack

9. Advanced Stack

10. Cluster Control

11. Data Distribution

Installing and configuring collectd

When monitoring multiple clusters of servers, we need a data collection method that's both scalable and configurable. The collectd daemon is a scalable statistics-gathering service, perfect for large clusters as it operates on a client-server model. A common collectd cluster may look like this, with collectd running on every server:

We can direct the statistics of several PostgreSQL servers to a central aggregate server. This server may process the data directly or forward it to a graph system for easy visualization. To gain this type of functionality, we need to spend some time installing and configuring collectd.

Getting ready

For the sake of completeness, obtain a copy of the latest collectd source code. At the time of writing this book, the latest version is 5.6.1, released on October 6, 2016. Download the latest copy of the collectd source code from this URL: https://collectd.org/download.shtml

In order for collectd to interface with PostgreSQL, we need...

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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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