A Glance at the Java Performance Toolbox

Explore Java performance analysis and optimization in this 44-minute conference talk by Ana-Maria Mihălceanu at Devoxx. Discover the essential first step in improving application performance: understanding what's happening within your code. Learn about key JDK tools like jcmd, jconsole, jstat, jmap, and jfr, which provide insights into classes, threads, live GC analysis, and heap dump postprocessing. Examine the functional visibility areas crucial for Java performance and how these tools deliver valuable information. Explore options for integrating the gathered data with popular monitoring systems such as Prometheus. By the end of the talk, gain the knowledge needed to identify what your application spends time on and why, enabling you to make informed decisions for performance improvements.