Micrometer & Prometheus in Spring Boot: Kafka Burger Orders
Learn Micrometer and Prometheus in Spring Boot by building a Kafka Burger Orders app that emits metrics. Step-by-step guide with code and …
JDK Flight Recorder
Remotely Recording a JFR Log from a Container (Without Using the Command Line)
JFR logs are easily obtained by simply going into the command line. But what if you don't have access to the command line or terminal …
Do you trust profilers? I once did too!
Do you trust profilers? I once did too. Here I describe why you should take the results of profilers with a grain of salt.
JFR Timestamps and System.nanoTime Foojay.io
Did you ever wonder whether JFR timestamps use the same time source as System.nanoTime? Come down the rabbit hole with me!
JFR Event Collection
Ever wondered what all the JDK Flight Recorder events are? Wonder no more, https://sapmachine.io/jfrevents is here to help you.
Java Profiling Overview
When I ask Java devs whether they profile, the answer is usually "no". A reason is the lack of info and knowledge for everyday developers.
Thinking About Massive Throughput? Meet Virtual Threads!
Virtual threads not only help to increase application throughput, they also provide a framework to refactor already existing code.
Monitoring Spring Boot Applications (Part 1)
In part 1 of this new Foojay series, learn about JDK Flight Recorder and how we can use it to monitor a Spring Boot application.
Contributing to OpenJDK Mission Control
Since this month is Hacktoberfest, I thought it would be a good idea to talk about how to contribute to the OpenJDK Mission Control project.
On The Costs of Hidden Logging
Tip: Never underestimate the danger of a partial implementation (even if it is just a logging implementation).