JDK Flight Recorder

23 articles in this category.

Jun 25, 2021 Marcus Hirt

The 8.0.1-ga tag was just set in the jmc8 repository on GitHub, a patch update release, and will therefore not include any new features.

Jun 24, 2021 Marcus Hirt

With changes in the Java (and the computing) ecosystem, JFR has some loom-ing challenges to remain relevant for the future!

Introduction to the JfrUnit open-source project, providing assertions not on metrics like latency/throughput, but on indirect metrics.

The new throughput management mechanism in JFR gets fine details about behavior without being overwhelmed by the sheer number of JFR events.

For Java developers and architects who design, build, and run applications, there are two core take-aways to the SolarWinds hack...

A discussion on the usage of JDK Flight Recorder and that it’s possible to aim at specific time frames where a recording could be useful.

Did you know Java Flight Recorder offers a public API for controling JFR programmatically or to read events from a JFR file? Read on!

Nov 9, 2020 Marcus Hirt

I’ve gotten a lot of questions about continuous production profiling. Why to profile in production and why the heck leave it on …

Continuing from part 1, to exploit the recording by analyzing it, we have a tool named jfr that ships with the JDK. Let's get started!

Java Flight Recorder is the profiler you can use in production, continuously, it is a feature in the JVM that traces the JVM with events.