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PostgreSQL 9 High Availability Cookbook

You're reading from   PostgreSQL 9 High Availability Cookbook Over 100 recipes to design and implement a highly available server with the advanced features of PostgreSQL.

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Product type Paperback
Published in Jul 2014
Publisher Packt
ISBN-13 9781849516969
Length 398 pages
Edition 1st Edition
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Author (1):
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Shaun Thomas Shaun Thomas
Author Profile Icon Shaun Thomas
Shaun Thomas
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Toc

Table of Contents (12) Chapters Close

Preface 1. Hardware Planning 2. Handling and Avoiding Downtime FREE CHAPTER 3. Pooling Resources 4. Troubleshooting 5. Monitoring 6. Replication 7. Replication Management Tools 8. Advanced Stack 9. Cluster Control 10. Data Distribution Index

Adding collectd data to Graphite


Graphite has a good interface and a lot of graph options but no real data. collectd gathers a lot of data but has no real interface. Luckily, we can combine the two, thanks to a collectd module named write_graphite.

In order to feed the collectd data into Graphite, we simply need to modify two configuration files on the monitoring server and restart collectd. After we do this, we can enable more collectd modules, add more PostgreSQL queries, and so on. All the collectd data will be transmitted to Graphite until we break the connection.

This is powerful functionality, as we will demonstrate.

Getting ready

In this recipe, we will be using both collectd and Graphite. Please follow the instructions in the Installing and configuring collectd and Installing and configuring Graphite recipes before continuing.

How to do it...

To send the collectd data to Graphite, follow these steps only on the server monitoring our PostgreSQL nodes:

  1. Add the following section to the top...

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