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  • Book Overview & Buying Heroku Cloud Application Development
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Heroku Cloud Application Development

Heroku Cloud Application Development

By : Anubhav Hanjura
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Heroku Cloud Application Development

Heroku Cloud Application Development

5 (1)
By: Anubhav Hanjura

Overview of this book

An easy-to-follow, hands-on guide that clearly explains the various components of the Heroku platform and provides step-by-step guidance as well as numerous examples on how to build and troubleshoot robust and scalable production-ready web applications on the Heroku platform. This book is intended for those who want to learn Heroku the right way. Perhaps you are new to Heroku or are someone who has heard about Heroku but have not built anything significant with it. You should have knowledge or familiarity with cloud computing and basic knowledge of database and network deployment.
Table of Contents (12 chapters)
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11
Index

High availability Postgres


Heroku Postgres offers different tier plans for customers based on the desired level of functionality and database resilience, that is, failover and high availability. If your business needs are typical of an enterprise application or a large distributed system where failures and downtimes are expected but managed, you should consider premium or enterprise-tier plans.

Choosing the right plan

The enterprise and premium-tier plans come bundled with advanced features of high availability for the PostgreSQL database. What it means is that in case of an unexpected database failure, hardware or otherwise, your application database will switch over to a standby database that contains nearly the same data as your primary database. A switch over decreases the probability of a longer downtime and in turn avoids poor or no application response.

The high availability (HA) feature involves creating a standby database for your primary application database that can be used in case...

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