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
About the Author
About the Reviewers

Choosing a GoldenGate high availability option

One of the most important tasks in increasing the availability of any technology is choosing the correct method. There are often a number of ways to make the system immune to different types of failures. Choosing the correct type of system resilience ensures realistic availability times. One of the most common causes of failure is the breakdown of the actual hardware system on which the system is running. In order to overcome such a failure, the most common approach is to move the failed resources to another surviving available piece of kit. This is achieved, for example, using watchdog software, which monitors the state of the processes and triggers the failover in case the process dies. Also, when you are configuring Oracle GoldenGate in an Oracle RAC environment, you need to perform some additional steps to make it work with a cluster database. In this recipe, we will look into the overall process of how GoldenGate high availability works...