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
About the Author
About the Reviewers
Customer Feedback

Write Storm topology to persist data into HDFS

In this section, we are going to cover how we can write the HDFS bolt to persist data into HDFS. In this section, we are focusing on the following points:

  • Consuming data from Kafka
  • The logic to store the data into HDFS
  • Rotating file into HDFS after a predefined time or size

Perform the following steps to create the topology to store the data into the HDFS:

  1. Create a new maven project with groupId com.stormadvance and artifactId storm-hadoop.
  2. Add the following dependencies in the pom.xml file. We are adding the Kafka Maven dependency in pom.xml to support Kafka Consumer. Please refer the previous chapter to produce data in Kafka as here we are going to consume data from Kafka and store in HDFS: