APM A best practices P M Realizing Application Performance Management b e MICHAEL J. SYDOR s t p r a c t i c e s APM Best Practices Realizing Application Performance Management Michael J. Sydor ii APM Best Practices: Realizing Application Performance Managment Copyright © 2010 by CA Technologies. All rights reserved. All trademarks, trade names, service marks and logos referenced herein belong to their respective companies. The information in this publication could include typographical errors or technical inaccuracies, and the authors assume no responsibility for its accuracy or completeness. The statements and opinions expressed in this book are those of the authors and are not necessarily those of CA Technologies. (“CA”). CA may make modifications to any CA product, software program, method or procedure described in this publication at any time without notice. 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Although every precaution has been taken in the preparation of this work, neither the author(s) nor Apress shall have any liability to any person or entity with respect to any loss or damage caused or alleged to be caused directly or indirectly by the information contained in this work. iv v Contents About the Author.........................................................................................vii Acknowledgments.........................................................................................ix Introduction.....................................................................................................xi Chapter 1: Getting Started with APM.........................................................1 PART I: Planning..........................................................................................37 Chapter 2: Business Justification................................................................39 Chapter 3: Assessments...............................................................................57 Chapter 4: Staffing and Responsibilities..................................................107 Chapter 5: APM Patterns...........................................................................139 Chapter 6: The Pilot Evaluation...............................................................161 PART II: Implementation......................................................................177 Chapter 7: Deployment Strategies..........................................................179 Chapter 8: Essential Processes.................................................................215 Chapter 9: Essential Service Capabilities................................................229 PART III: Practitioners...........................................................................251 Chapter 10: Solution Sizing.......................................................................253 Chapter 11: Load Generation..................................................................285 Chapter 12: Baselines.................................................................................309 Chapter 13: The Application Audit.........................................................329 Chapter 14: Triage with Single Metrics..................................................357 Chapter 15: Triage with Baselines...........................................................395 Chapter 16: Triage with Trends..............................................................405 Chapter 17: Firefighting and Critical Situations....................................439 Index................................................................................................................459 vi vii About the Author Michael J. Sydor is a software solution architect who has invested 20 years in the mastery of high performance computing technology. He has significant experience identifying and documenting technology best practices and has designed programs to mentor and realize client performance management teams. With a broad combination of software and systems architecture experience, as well as critical situation and traditional performance analysis, Michael is well positioned to influence and guide major initiatives within client IT organizations, for both distributed and mainframe architectures, and across Telco, Cable, Financial Trading, Media, Banking, Insurance, and Utilities industries. viii