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Learning Cascading

Book Image

Learning Cascading

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Learning Cascading
May, 2015 | 276 pages
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Table of Contents (18 chapters)
Learning Cascading
Learning Cascading
Credits
Credits
Foreword
Foreword
About the Authors
About the Authors
About the Reviewers
About the Reviewers
www.PacktPub.com
www.PacktPub.com
Preface
Preface
Free Chapter
1
The Big Data Core Technology Stack
The Big Data Core Technology Stack
Reviewing Hadoop
MapReduce execution framework
The Cascading framework
Summary
2
Cascading Basics in Detail
Cascading Basics in Detail
Understanding common Cascading themes
Understanding how Cascading represents records
Understanding how Cascading controls data flow
Putting it all together
Summary
3
Understanding Custom Operations
Understanding Custom Operations
Understanding operations
Summary
4
Creating Custom Operations
Creating Custom Operations
Writing custom operations
Identifying common use cases for custom operations
Summary
5
Code Reuse and Integration
Code Reuse and Integration
Creating and using subassemblies
Using cascades
Dynamically controlling flows
Integrating external components
Summary
6
Testing a Cascading Application
Testing a Cascading Application
Debugging a Cascading application
Testing strategies
Summary
7
Optimizing the Performance of a Cascading Application
Optimizing the Performance of a Cascading Application
Optimizing performance
Summary
8
Creating a Real-world Application in Cascading
Creating a Real-world Application in Cascading
Project description – Business Intelligence case study on monitoring the competition
Project scope – understanding requirements
Defining the project – the Cascading development methodology
Building the workflow
Next steps
Summary
9
Planning for Future Growth
Planning for Future Growth
Finding online resources
Using other Cascading tools
Custom taps
Cascading serializers
Java open source mock frameworks
Summary
Downloadable Software
Downloadable Software
Contents
Installing and using
Index
Index

Chapter 5. Code Reuse and Integration

In this chapter, you will learn how to assemble reusable code, how to integrate Cascading with external systems, and how to use Cascading instrumentation effectively to track and control execution. Specifically, we will discuss how Cascading fits into the overall processing infrastructure. You will also learn to create more complex workflows and to control intermediate files using Cascading.

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