Book Image

Learning Couchbase

By : Henry Potsangbam
Book Image

Learning Couchbase

By: Henry Potsangbam

Overview of this book

This book achieves its goal by taking up an end-to-end development structure, right from understanding NOSQL document design to implementing full fledged eCommerce application design using Couchbase as a backend. Starting with the architecture of Couchbase to get you up and running, this book quickly takes you through designing a NoSQL document and implementing highly scalable applications using Java API. You will then be introduced to document design and get to know the various ways to administer Couchbase. Followed by this, learn to store documents using bucket. Moving on, you will then learn to store, retrieve and delete documents using smart client base on Java API. You will then retrieve documents using SQL like syntax call N1QL. Next, you will learn how to write map reduce base views. Finally, you will configure XDCR for disaster recovery and implement an eCommerce application using Couchbase.
Table of Contents (12 chapters)
Index

XDCR topologies


You can configure XDCR in various ways depending on your application or business needs. Let's understand some of the topologies that XDCR supports.

Unidirectional

In unidirectional topology, documents are replicated in one direction from the source to the remote cluster. It is usually used for read or reporting purposes, offsite backup, development/testing copies, and so on.

Bidirectional

In bidirectional topology, documents are replicated both ways between two clusters, that is, replicated buckets are active in both the clusters. The basic use cases for this topology are disaster recovery and datacenter locality.