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 components of reliable topologies use anchoring.

  2. In the event of a failure, all the tuples are played back again.

  3. Shuffle grouping does load balancing.

  4. Global grouping is like a broadcaster.

Q.2 Fill in the blanks:

  1. _______________ is the method to tell the framework that the tuple has been successfully processed.

  2. The _______________ method specifies the name of the stream.

  3. The ___________ method is used to push the tuple downstream in the DAG.

Make changes to WordCount topology of the Storm-starter project to create a custom grouping so that all words starting from a particular letter always go to same instance of the WordCount bolt.