Troubleshooting Java Performance

Provides a brief Java performance curriculum with 12 run-on-your-own-machine performance puzzles, all aimed at making you dramatically more productive in getting to root cause

Gives expert load generation advice, including how to determine the precise load necessary to test a given application's scalability

Shows how to detect memory leaks in minutes without a heap dump, and without restarting the suspect JVM

Autorentext

Erik Ostermueller **is a Java architect who is passionate about performance engineering. He has spent the last 10 years leading international performance engineering teams, tuning high-throughput Java financial systems in North and South America, Europe and Asia. In 2011, he presented a paper entitled How to Help Developers (Finally) Find Their Own Performance Defects at the Computer Measurement Group's annual conference, where he won Best Paper and the Mullen Award for best speaker. The proceeds of this award financed an eight-city speaking tour in the US, Canada, the UK, and Italy. Erik is the technical lead for the Performance Center of Excellence at FIS Global. He is the founder of heapSpank.org, wuqiSpank.org, and a contributor to JMeter-Plugins.org and other open source projects. He lives in Little Rock, Arkansas and plays soccer, tennis, and the piano.

Inhalt

Part I: Getting Started with Performance Tuning.- 1. Performance Anti-Patterns.- 2. Modest-sized Tuning Environment.- 3. Metrics: The Antidote to Guesswork.- Part II: Creating Load scripts with Load Testing.- 4. Load Generation Overview.- 5. Invalid Load Tests.- 6. Scalability Yardstick.- 7. JMeter Must-Know Features.- Part III: The P.A.t.h. Checklist and Performance Troubleshooting.- 8. Introduction to the P.A.t.h. Checklist .- 9. Persistence, the 'P' in P.A.t.h.- 10. Alien Systems, the 'A' in P.A.t.h..- 11. Threads, the 't' in P.A.t. h..- 12. Heap, the 'h' in P.A.t.h..- 13. Conclusion.<p