Who Killed the JVM? Attaching a Debugger Twice
The ability to disconnect and then reattach debuggers is helpful for many complex debugging scenarios and can help you debug faster.
Johannes Bechberger
55 articles
360,011 views
Custom Events in the Blocky World: Using JFR in Minecraft
I was searching for some JFR-related settings on the internet when I stumbled upon the /jfr command that exists in Minecraft...
Custom JFR Events: A Short Introduction
Find out how JFR allows you to implement your events to record custom information directly in your profiling file.
Loom is just HyperThreading in Java
I had an epiphany: Aren't virtual threads with Loom just a version of HyperThreading on the JVM?
Putting JFR into Context
Have you ever wanted to bring your JFR events into context? Adding information on sessions, user IDs, and more can improve your ability to …
JDWP, onthrow and a mysterious error
Collaborating with other people from different companies in an Open-Source project is great.
Level-up your Java Debugging Skills with on-demand Debugging
Learn about onthrow and onjcmd and more that can improve the performance of on-demand debugging, as this allows us to trigger the start of …
Report of My Trip to JavaZone and Northern Germany
Between 2nd and 17th September, I gave three talks in three different cities!
C2 Might Be Slowing Down Your Builds
Disabling C2 can be an option to speed up builds of smaller Java applications in CI systems, mainly when restricted to one or two CPU cores.
Taming the Bias: Unbiased Safepoint-Based Stack Walking
Erik Österlund summed up the problems with my previous JEP proposal quite nicely, and here are my responses!