JDK 25 is out! JEPs: - 509: JFR CPU-Time Profiling (Experimental) - 518: JFR Cooperative Sampling - 520: JFR Method Timing & Tracing JDK support for contextual events and rate-limited sampling. Three new Java monitor events. Exception events are now enabled by default!

Your #Quarkus app knows more than you think. Now it can tell you, thanks to new #Java #FlightRecorder integration. Capture runtime metadata, analyze performance, and visualize everything with JDK Mission Control. https://t.co/Ok4tinNtkD #Observability #jfr

Using JFR in Clojure with :jvm-opts, and you need to upgrade from Java 21 to Java 25 is here! In the pic, you can see 14 pinned virtual threads running on Java 21, Postgres JDBC 42.2.0 After upgrading to Java 25, while keeping the Postgres JDBC 42.2.0, all pinning is GONE!

Check out the JFR Lab for JDK 25: https://t.co/U5RHYg6VVO

JFR Event to Detect Invocations of Deprecated Methods in Java

New blog post! https://t.co/aqnY6JVYhm

JDK 24 is out! Synchronize Virtual Threads without Pinning! https://t.co/z7ZoRqgQtw The VirtualThreadPinned event now includes three new fields: blockingOperation, carrierThread, and pinnedReason. Hopefully, you'll never need to look at them!

Java thread pinning detection using JFR Event Streaming with Spring Boot https://t.co/u65Gp3d6Cy @mikemybytes

New Post: Using Java Flight Recorder (JFR) in Quarkus

Learn how to use jcmd, JDK Flight Recorder, JDK Mission Control, and JFR Events to record your #Java application security properties, monitor TLS protocol, and analyze X.509 certificate details. (featuring @ammbra1508)

JDK 23 is out! If you have ever wondered what the correct syntax is for JFR command line options, you can now find out by running the new help option: $ java -XX:StartFlightRecording:help

New Post: Monitoring Hibernate Events With Java Flight Recorder

What's new in JDK Mission Control 9? Take a look at some of the key changes with @BillyKorando. https://t.co/Q4JKKjZtJ3

Did you sign up for our meeting a week from today? @BillyKorando  will be teaching us how to use the JDK flight recorder effectively. Sign up at UBMe to attend in person: https://t.co/2v00ckpmSN

Java Mission Control (JMC) 9.0 is out! One of the best tools to get insights in your application Java Flight Recorder (JFR) profiling. https://t.co/7CLwfpeJBm #java #JFR #JMC #JVM #profiling #cloud

Excited for #JCON EUROPE 2024? See @ammbra1508 at #JCON2024 in Cologne talking about 'Monitoring #Java Application Security with #JDK Tools and #JFR Events' Monitoring the underlying security configuration of your #Java … Get your free #JUG Ticket: https://t.co/wTLeI3taOB

JDK 22 is out! - New Deprecated Invocation event: $ java -XX:StartFlightRecording:filename=r.jfr $ jfr view deprecated-methods-for-removal r.jfr - New Native Library Load/Unload and Compiler Statistics Queue events. - New Parallel GC Phases, Java Agents and System.gc() views.

New Post: JFR View Command in Java 21

📝 "Tracking #Java Native Memory With JDK Flight Recorder" #JFR has added a few new event types for tracking memory allocations in Java 20/21, exploring them in this new post. 👉 https://t.co/6RsB0UyyIx

Ever wondered how you can extend JFR profiling with your own events? I wrote a short introduction at https://t.co/ZYpt0YHNep that shows you how to integrate custom events in a fictional Math-as-a-Service server.