What you need for this book

All of the code in this book has been tested on CentOS 6.5. It will run on other variants of Linux and Windows as well with appropriate changes in commands.

We have tried to keep the chapters self-contained, and the setup and installation of all the software used in each chapter are included in the chapter itself. These are the software packages used throughout the book:

• CentOS 6.5
• Oracle JDK 8
• Apache ZooKeeper 3.4.6
• Apache Storm 1.0.2
• Eclipse or Spring Tool Suite
• Elasticsearch 2.4.4
• Hadoop 2.2.2
• Logstash 5.4.1
• Kafka 0.9.0.1
• Esper 5.3.0