Book Image

Real-time Analytics with Storm and Cassandra

By : Shilpi Saxena
Book Image

Real-time Analytics with Storm and Cassandra

By: Shilpi Saxena

Overview of this book

Table of Contents (19 chapters)
Real-time Analytics with Storm and Cassandra
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Quiz time


Q.1. State whether the following statements are true or false:

  1. All Storm topologies are reliable.

  2. A topology generally has multiple spouts.

  3. A topology generally has multiple bolts.

  4. One bolt can emit on only one stream.

Q.2. Fill in the blanks:

  1. _______________ is the template to create the topology.

  2. _______________ specifies how many instances of a particular bolt or spout are spawned.

  3. The ___________ daemon of Storm is analogous to the job tracker of Hadoop.

Q.3. Perform the following task:

  1. Make changes to the WordCount topology of the Storm-starter project to RandomSentenceSpout so that it's able to read sentences from a file at a specified location.