Book Image

Oracle Goldengate 11g Complete Cookbook

By : Ankur Gupta
Book Image

Oracle Goldengate 11g Complete Cookbook

By: Ankur Gupta

Overview of this book

Oracle Goldengate 11g Complete Cookbook is your complete guide to all aspects of Goldengate administration. The recipes in this book will teach you how to setup Goldengate configurations for simple and complex environments requiring various filtering and transformations. It also covers various aspects of tuning and troubleshooting the replication setups using exception handling, custom fields, and logdump utility.The book begins by explaining some basic tasks like Installation and Process groups setup. You will then be introduced to some further topics including DDL replication and various options to perform Initial Loads. You will then learn some advanced administration tasks such as Multi Master replication setup and conflict resolution. Further recipes, contain the cross platform replication and high availability options for Goldengate.
Table of Contents (16 chapters)
Oracle GoldenGate 11g Complete Cookbook
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Setting up a GoldenGate replication with multiple process groups


If your source system is a very busy OLTP system, with a high rate of data changes, then you will find that a single set of GoldenGate processes is not sufficient to replicate the load to the target environment in real time. In such a situation Oracle recommends splitting the load into multiple process groups.

Getting ready

For this recipe we will use the Order Entry demo schema. This schema has been created in both source and target databases, and is in the same state. The GoldenGate binaries, the GoldenGate Admin user, and manager instance have also been set up in the source and target environment.

How to do it...

In this recipe we will set up the following configuration for replicating the Order Entry schema:

As you can see from the preceding diagram, the replication setup performed here will consist of two Extract processes, two Datapumps, and four Replicat processes.

Perform the following steps in the source database:

  1. Create...