Your Java Application Is Slow? Check Out These Open-Source Profilers

Profilers help to analyze performance bottlenecks of your application - if you know which to use and how to work with them.

There are many open-source profilers, like async-profiler or JMC. This talk will give you insights into these tools, focusing on:

  • Understanding the basic concepts of profiling like flame graphs, ...
  • Usage of async-profiler and JMC
  • Advantages and disadvantages of the different tools


Johannes Bechberger

Software Developer @SAP

Johannes Bechberger is a JVM developer working on profilers and their underlying technology in the SapMachine team at SAP. This includes improvements to async-profiler and its ecosystem, a website to view the different JFR event types, and improvements to the FirefoxProfiler, making it usable in the Java world. He started at SAP last year after two years of research studies at the KIT in the field of Java security analyses. His work today is comprised of many open-source contributions and his blog, where he writes regularly on in-depth profiling and debugging topics.

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