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

Building a sharding API

When building a horizontally scalable system, we need a database library that facilitates its use. Without this, ad hoc tables can derail the whole process by producing a heterogeneous environment incompatible with a horizontal architecture. We need consistency if we also want reliability.

In the previous recipe, we discussed the necessary components of a function that can generate unique IDs across thousands of logical shards. This will form the core of our API as it ensures that ID collisions are avoided within our application. However, what about the rest? How do we manage each shard? How do we add tables to the application? How can we automate as much management as possible to encourage adhering to the API?

This recipe will attempt to answer these questions and many more by having you create the necessary functions to manage a shard-driven system.

Getting ready

This recipe depends on the work we performed in the Creating a scalable nextval replacement recipe. Please...

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