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Distributed Programming with Ruby (Addison-Wesley Professional Ruby Series)
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Distributed Programming with Ruby (Addison-Wesley Professional Ruby Series)

by Mark Bates
 

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ISBN-10: 0321638360

ISBN-13: 9780321638366

Pub. Date: 11/19/2009

Publisher: Addison-Wesley

“A must have title for the well-rounded Ruby programmer building advanced Rails applications and large systems!”

OBIE FERNANDEZ, Series Editor

Complete, Hands-On Guide to Building Advanced Distributed Applications with Ruby

Distributed programming techniques make applications easier to scale, develop, and

Overview

“A must have title for the well-rounded Ruby programmer building advanced Rails applications and large systems!”

OBIE FERNANDEZ, Series Editor

Complete, Hands-On Guide to Building Advanced Distributed Applications with Ruby

Distributed programming techniques make applications easier to scale, develop, and deploy—especially in emerging cloud computing environments. Now, one of the Ruby community’s leading experts has written the first definitive guide to distributed programming with Ruby.

Mark Bates begins with a simple distributed application, and then walks through an increasingly complex series of examples, demonstrating solutions to the most common distributed programming problems.

Bates presents the industry’s most useful coverage of Ruby’s standard distributed programming libraries, DRb and Rinda. Next, he introduces powerful third-party tools, frameworks, and libraries designed to simplify Ruby distributed programming, including his own Distribunaut.

If you’re an experienced Ruby programmer or architect, this hands-on tutorial and practical reference will help you meet any distributed programming challenge, no matter how complex.

Coverage includes

• Writing robust, secure, and interactive applications using DRb—and managing its drawbacks

• Using Rinda to build applications with improved flexibility, fault tolerance, and service discovery

• Simplifying DRb service management with RingyDingy

• Utilizing Starfish to facilitate communication between distributed programs and to write MapReduce functions for processing

large data sets

• Using Politics to customize the processes running on individual server instances in a cloud computing environment

• Providing reliable distributed queuing with the low-overhead Starling messaging server

• Implementing comprehensive enterprise messaging with RabbitMQ and Advanced Message Queuing Protocol (AMQP)

• Offloading heavyweight tasks with BackgrounDRb and DelayedJob

Product Details

ISBN-13:
9780321638366
Publisher:
Addison-Wesley
Publication date:
11/19/2009
Series:
Addison-Wesley Professional Ruby Series
Pages:
250
Product dimensions:
6.90(w) x 9.00(h) x 0.60(d)

Table of Contents

Foreword ix

Preface xi

Part I Standard Library 1

Chapter 1 Distributed Ruby (DRb) 3

Hello World 4

Proprietary Ruby Objects 10

Security 17

Access Control Lists (ACLs) 18

DRb over SSL 21

ID Conversion 28

Built-in ID Converters 29

Building Your Own ID Converter 33

Using Multiple ID Converters 34

Conclusion 35

Endnotes 36

Chapter 2 Rinda 37

“Hello World” the Rinda Way 38

Understanding Tuples and TupleSpaces 44

Writing a Tuple to a TupleSpace 44

Reading a Tuple from a TupleSpace 45

Taking a Tuple from a TupleSpace 48

Reading All Tuples in a TupleSpace 52

Callbacks and Observers 53

Understanding Callbacks 54

Implementing Callbacks 55

Security with Rinda 59

Access Control Lists (ACLs) 59

Using Rinda over SSL 61

Selecting a RingServer 63

Renewing Rinda Services 70

Using a Numeric to Renew a Service 71

Using nil to Renew a Service 72

Using the SimpleRenewer Class 72

Custom Renewers 73

Conclusion 75

Endnotes 76

Part II Third-Party Frameworks and Libraries 77

Chapter 3 RingyDingy 79

Installation 79

Getting Started with RingyDingy 80

“Hello World” the RingyDingy Way 81

Building a Distributed Logger with RingyDingy 82

Letting RingyDingy Shine 84

Conclusion 86

Chapter 4 Starfish 87

Installation 87

Getting Started with Starfish 88

“Hello World” the Starfish Way 90

Using the Starfish Binary 90

Saying Goodbye to the Starfish Binary 93

Building a Distributed Logger with Starfish 96

Letting Starfish Shine 99

MapReduce and Starfish 103

Using Starfish to MapReduce ActiveRecord 104

Using Starfish to MapReduce a File 110

Conclusion 112

Endnotes 113

Chapter 5 Distribunaut 115

Installation 116

Blastoff: Hello, World! 117

Building a Distributed Logger with Distribunaut 120

Avoiding Confusion of Services 123

Borrowing a Service with Distribunaut 126

Conclusion 128

Endnotes 129

Chapter 6 Politics 131

Installation 133

Working with Politics 135

Conclusion 141

Endnotes 142

Part III Distributed Message Queues 143

Chapter 7 Starling 145

What Is a Distributed Message Queue? 145

Installation 147

Getting Started with Starling 148

“Hello World” the Starling Way 155

Building a Distributed Logger with Starling 157

Persisted Queues 158

Getting Starling Stats 158

Conclusion 162

Endnotes 162

Chapter 8 AMQP/RabbitMQ 163

What Is AMQP? 163

Installation 165

“Hello World” the AMQP Way 167

Building a Distributed Logger with AMQP 178

Persisted AMQP Queues 180

Subscribing to a Message Queue 184

Topic Queues 187

Fanout Queues 193

Conclusion 196

Endnotes 197

Part IV Distributed Programming with Ruby on Rails 199

Chapter 9 BackgrounDRb 201

Installation 202

Offloading Slow Tasks with BackgrounDRb 203

Configuring BackgrounDRb 211

Persisting BackgrounDRb Tasks 213

Caching Results with Memcached 217

Conclusion 220

Endnotes 221

Chapter 10 Delayed Job 223

Installation 223

Sending It Later with Delayed Job 225

Custom Workers and Delayed Job 230

Who’s on First, and When Does He Steal Second? 235

Configuring Delayed Job 237

Conclusion 240

Endnotes 241

Index 243

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