Book Image

Mastering Apache Storm

By : Ankit Jain
Book Image

Mastering Apache Storm

By: Ankit Jain

Overview of this book

Apache Storm is a real-time Big Data processing framework that processes large amounts of data reliably, guaranteeing that every message will be processed. Storm allows you to scale your data as it grows, making it an excellent platform to solve your big data problems. This extensive guide will help you understand right from the basics to the advanced topics of Storm. The book begins with a detailed introduction to real-time processing and where Storm fits in to solve these problems. You’ll get an understanding of deploying Storm on clusters by writing a basic Storm Hello World example. Next we’ll introduce you to Trident and you’ll get a clear understanding of how you can develop and deploy a trident topology. We cover topics such as monitoring, Storm Parallelism, scheduler and log processing, in a very easy to understand manner. You will also learn how to integrate Storm with other well-known Big Data technologies such as HBase, Redis, Kafka, and Hadoop to realize the full potential of Storm. With real-world examples and clear explanations, this book will ensure you will have a thorough mastery of Apache Storm. You will be able to use this knowledge to develop efficient, distributed real-time applications to cater to your business needs.
Table of Contents (19 chapters)
Title Page
Credits
About the Author
About the Reviewers
www.PacktPub.com
Customer Feedback
Preface

Setting up the Storm cluster


In this chapter, we will learn how to set up a three nodes Storm cluster, of which one node will be the active master node (Nimbus) and the other two will be worker nodes (supervisors).

The following is the deployment diagram of our three node Storm cluster:

The following are the steps that need to be performed to set up a three node Storm cluster:

  1. Install and run the ZooKeeper cluster. The steps for installing ZooKeeper are mentioned in the previous section.
  2. Download the latest stable Storm release from https://storm.apache.org/downloads.html; at the time of writing, the latest version is Storm 1.0.2.

 

  1. Once you have downloaded the latest version, copy and unzip it in all three machines. Now, we will set the $STORM_HOME environment variable on each machine to make the setup easier. The $STORM_HOME environment contains the path of the Storm home folder (for example, export STORM_HOME=/home/user/storm-1.0.2).
  2. Go to the $STORM_HOME/conf directory in the master nodes and...