Feedback Control for Computer Systems

Overview

How can you take advantage of feedback control for enterprise programming? With this book, author Philipp K. Janert demonstrates how the same principles that govern cruise control in your car also apply to data center management and other enterprise systems. Through case studies and hands-on simulations, you’ll learn methods to solve several control issues, including mechanisms to spin up more servers automatically when web traffic spikes.

Feedback is ideal for controlling ...

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Feedback Control for Computer Systems

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Overview

How can you take advantage of feedback control for enterprise programming? With this book, author Philipp K. Janert demonstrates how the same principles that govern cruise control in your car also apply to data center management and other enterprise systems. Through case studies and hands-on simulations, you’ll learn methods to solve several control issues, including mechanisms to spin up more servers automatically when web traffic spikes.

Feedback is ideal for controlling large, complex systems, but its use in software engineering raises unique issues. This book provides basic theory and lots of practical advice for programmers with no previous background in feedback control.

  • Learn feedback concepts and controller design
  • Get practical techniques for implementing and tuning controllers
  • Use feedback “design patterns” for common control scenarios
  • Maintain a cache’s “hit rate” by automatically adjusting its size
  • Respond to web traffic by scaling server instances automatically
  • Explore ways to use feedback principles with queueing systems
  • Learn how to control memory consumption in a game engine
  • Take a deep dive into feedback control theory
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Product Details

  • ISBN-13: 9781449361693
  • Publisher: O'Reilly Media, Incorporated
  • Publication date: 10/30/2013
  • Edition number: 1
  • Pages: 336
  • Sales rank: 1,375,348
  • Product dimensions: 6.00 (w) x 8.90 (h) x 0.80 (d)

Meet the Author

Philipp K. Janert was born and raised in Germany. He obtained aPh.D. in Theoretical Physics from the University of Washington in 1997and has been working in the tech industry since, including four yearsat Amazon.com, where he initiated and led several projects to improveAmazon's order fulfillment process. He is the author of two books ondata analysis, including the best-selling "Data Analysis with OpenSource Tools" (O'Reilly, 2010), and his writings have appeared onPerl.com, IBM developerWorks, IEEE Software, and in the LinuxMagazine. He has contributed to CPAN and other open-sourceprojects. He lives in the Pacific Northwest.

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Table of Contents

Preface

Foundations

Chapter 1: Why Feedback? An Invitation

Chapter 2: Feedback Systems

Chapter 3: System Dynamics

Chapter 4: Controllers

Chapter 5: Identifying Input and Output Signals

Chapter 6: Review and Outlook

Practice

Chapter 7: Theory Preview

Chapter 8: Measuring the Transfer Function

Chapter 9: PID Tuning

Chapter 10: Implementation Issues

Chapter 11: Common Feedback Architectures

Case Studies

Chapter 12: Exploring Control Systems Through Simulation

Chapter 13: Case Study: Cache Hit Rate

Chapter 14: Case Study: Ad Delivery

Chapter 15: Case Study: Scaling Server Instances

Chapter 16: Case Study: Waiting-Queue Control

Chapter 17: Case Study: Cooling Fan Speed

Chapter 18: Case Study: Controlling Memory Consumption in a Game Engine

Chapter 19: Case Study Wrap-Up

Theory

Chapter 20: The Transfer Function

Chapter 21: Block-Diagram Algebra and the Feedback Equation

Chapter 22: PID Controllers

Chapter 23: Poles and Zeros

Chapter 24: Root Locus Techniques

Chapter 25: Frequency Response and the Bode Plot

Chapter 26: Topics Beyond This Book

Appendices

Glossary

Creating Graphs with Gnuplot

Complex Numbers

Further Reading

Colophon

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