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Introducing illuminate
The document discusses the challenges of diagnosing performance regressions in production environments, highlighting the limitations of traditional profiling and application performance management (APM) tools. It emphasizes the need for more intelligent tooling that reduces overhead and provides actionable insights rather than merely logging data. The author advocates for a redefined approach to performance analysis to improve predictability and efficiency in diagnostics.
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Introducing illuminate
- 1. Copyright 2018 KirkPepperdine ILLUMINATE INTRODUCING
- 2. Copyright 2018 KirkPepperdine jClarity ▸ Kirk Pepperdine ▸ Author of jPDM, a performance diagnostic model ▸ Author of the original Java Performance Tuning workshop ▸ Co-founded jClarity ▸ Building the smart generation of performance diagnostic tooling ▸ Bring predictability into the diagnostic process ▸ Co-founded JCrete ▸ The hottest unconference on the planet ▸ Java Champion/Oracle Groundbreaker OUR MARKETING SLIDE
- 3. Copyright 2018 KirkPepperdine jClarity "a dark ocean without shores or lighthouse, strewn with many a philosophic wreck" Performance analysis is Immanual Kant (1763)
- 4. Copyright 2018 KirkPepperdine jClarity How do we diagnose performance regressions in production?
- 5. Copyright 2018 KirkPepperdine jClarity ▸ Instrument the runtime to make observations ▸ sampling ▸ emit signals ▸ Measure resource utilization ▸ CPU ▸ memory ▸ I/O channels PROFILERS
- 6. Copyright 2018 KirkPepperdine jClarity ▸ Highly intrusive ▸ places high overheads on the runtime ▸ Human scalable ▸ Strongly biased ▸ what performance engineer believes is at fault ▸ Generally only used after the fact ▸ and then only in test environments ▸ notoriously poor environment for reproducing problems PROFILING DRAWBACKS
- 7. Copyright 2018 KirkPepperdine jClarity "A fool with tool remains a fool" Buckminster Fuller
- 8. Copyright 2018 KirkPepperdine jClarity ▸ Hand inject tracing into an application ▸ what should be logged? ▸ highly biased to what developers believe is important ▸ Hit and miss technique ▸ Leads to a “fighting yesterday’s performance regressions” battle ▸ most often misses data to diagnose the problem at hand ▸ High overhead ▸ common to see 4x performance improvements when logging is removed ▸ good for consuming lots of disk space LOGGING AND TRACING
- 9. Copyright 2018 KirkPepperdine jClarity ▸ Detect performance regressions ▸ provide information to aid in the diagnosis of the regression ▸ Monitor application transaction performance ▸ trace requests and log progress APPLICATION PERFORMANCE MANAGEMENT APM is the monitoring and management of performance and availability of software applications — Wikipedia
- 10. Copyright 2018 KirkPepperdine jClarity ▸ Since we don’t know what to trace, capture as much as possible and hope it’s the right stuff ▸ leads to a number of problems ▸ Overhead ▸ APM often uses more infrastructure than your application ▸ Suffers from the "what was wrong is the past is likely to be wrong in the future” bias ▸ Questionable usefulness in finding true root cause APM DRAWBACKS
- 11. Copyright 2018 KirkPepperdine jClarity is in a questionable state State of the art
- 12. Copyright 2018 KirkPepperdine jClarity HERE IS THE PROOF
- 13. Copyright 2018 KirkPepperdine Time to redefine jClarity State of the art
- 14. Copyright 2018 KirkPepperdine jClarity ▸ Answers, not questions? ▸ recommendations or self healing, not an unsolvable puzzle ▸ Low overhead and scalability ▸ do more with less ▸ Biased free ▸ Predictive WHAT DO WE WANT?
- 15. Copyright 2018 KirkPepperdine All of this requires more intelligence in our tooling jClarity
- 16. Copyright 2018 KirkPepperdine Demo time jClarity
- 17. Copyright 2018 KirkPepperdine
- 18. Copyright 2018 KirkPepperdine
- 19. Copyright 2018 KirkPepperdine
- 20. Copyright 2018 KirkPepperdine
- 21. Copyright 2018 KirkPepperdine
- 22. Copyright 2018 KirkPepperdine
- 23. Copyright 2018 KirkPepperdine
- 24. Copyright 2018 KirkPepperdine TEXT TITLE TEXT ▸ Body Level One ▸ Body Level Two ▸ Body Level Three ▸ Body Level Four ▸ Body Level Five Ask about my Java Performance Tuning Workshop @kcpeppe @jclarity Thank you!!!