Everyone wants to understand what their application is really doing in production, but this information is normally invisible to developers. Profilers tell you what code your application is running but few developers profile and mostly on their development environments. Thankfully production profiling is now a practical reality that can help you solve and avoid performance problems.
Profiling in development can be problematic because it’s rare that you have a realistic workload or performance test for your system. Even if you’ve got accurate perf tests maintaining these and validating that they represent production systems is hugely time consuming and hard. Not only that but often the hardware and operating system that you run in production are different from your development environment.
This pragmatic talk will help you understand the ins and outs of profiling in a production system. You’ll learn about different techniques and approaches that help you understand what’s really happening with your system. This helps you to solve new performance problems, regressions and undertake capacity planning exercises.
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Sadiq has for years consulted for multi-national companies designing and implementing highly scalable intelligent platforms. His experience has included deep learning systems, embedded platforms, desktop and mobile games development. He's delivered talks on performance at top software engineering conferences around the world and holds a PhD in autonomous mobile robotics.
Richard Warburton is an empirical technologist, solver of deep-dive technical problems and author of 'Java 8 Lambdas: Pragmatic Functional Programming'. He has worked as a developer in varied areas including Statistical Analytics, Static Analysis, Compilers and Networking. He is a leader in the London Java Community and runs OpenJDK Hackdays. Richard is also a known conference speaker, having talked at JavaOne, Devoxx, JFokus, DevoxxUK, Geecon, JAX London and Codemotion. Richard has obtained a PhD in Computer Science from The University of Warwick.