Mastodawn

Profiling a JVM in Kubernetes gets awkward fast once the target sits behind pods, TLS, and short-lived filesystems. I wrote up a Quarkus + minikube + Cryostat walkthrough that keeps JFR capture inside the cluster and uses operator-driven agent injection instead of image hacks. https://www.the-main-thread.com/p/kubernetes-jvm-profiling-cryostat #Quarkus #Kubernetes #Java #Cryostat

Markus Eisele Jun 6, 2025

Introducing Red Hat build of Cryostat 4.0
https://developers.redhat.com/articles/2025/06/05/introducing-red-hat-build-cryostat-40
#Java #jvm #cryostat #jfr #container

Introducing Red Hat build of Cryostat 4.0 | Red Hat Developer

Learn about Cryostat 4.0, an open source, container-native JFR for Java on OpenShift, offering deeper insights and a streamlined experience for devs and SREs

Red Hat Developer

Markus Eisele Jul 26, 2024

New features in Cryostat 3.0 for monitoring Java applications on OpenShift | @syshaaf https://developers.redhat.com/articles/2024/07/24/new-features-cryostat-30-monitoring-java-applications-openshift
#Java #cryostat #Kubernetes #monitoring

New features in Cryostat 3.0 for monitoring Java applications on OpenShift | Red Hat Developer

This article highlights the key updates introduced by Cryostat 3.0.

Red Hat Developer

Markus Eisele Dec 19, 2023

Java monitoring: Exploring Cryostat 2.4 features on OpenShift | Shaaf https://developers.redhat.com/articles/2023/12/18/java-monitoring-exploring-cryostat-24-features-openshift
#Java #cryostat #monitoring #OpenShift

Java monitoring: Exploring Cryostat 2.4 features on OpenShift | Red Hat Developer

Cryostat 2.4 is a monitoring tool for Java that offers a sophisticated and user-friendly approach to performance monitoring in containerized environments.

Red Hat Developer

Markus Eisele Aug 15, 2023

How to use Cryostat agent to profile Java workloads https://developers.redhat.com/articles/2023/08/15/how-use-cryostat-agent-profile-java-workloads
#Java #Kubernetes #cryostat

How to use Cryostat agent to profile Java workloads | Red Hat Developer

Learn about Cryostat’s 2.3 new agent capabilities and how to profile Java applications.

Red Hat Developer

Markus Eisele Jun 30, 2023

Profiling Java workloads with the Cryostat Agent https://developers.redhat.com/blog/2023/06/29/profiling-java-workloads-cryostat-agent
#Java #cryostat #Kubernetes

Profiling Java workloads with the Cryostat Agent | Red Hat Developer

Learn what capabilities Cryostat 2.3's new Agent provides and how you can take advantage in profiling Java applications.

Red Hat Developer

Markus Eisele Jun 29, 2023

Getting started with Topology View in Cryostat 2.3 https://developers.redhat.com/blog/2023/06/29/getting-started-topology-view-cryostat-23
#Java #Kubernetes #cryostat

Getting started with Topology View in Cryostat 2.3 | Red Hat Developer

In Cryostat 2.3, Topology View provides a visual presentation of the all discovered JVMs and all their associated resources. It also allows users to perform

Red Hat Developer

Markus Eisele Dec 27, 2022

Configure #Cryostat RBAC mapping in Cryostat Operator 2.2.0 | @rhdevelopers https://red.ht/3VaKkcR
#Java #jfr #redhat

Configure Cryostat RBAC mapping in Cryostat Operator 2.2.0 | Red Hat Developer

When deployed on Kubernetes or OpenShift, Cryostat uses a default permission configuration that maps Kubernetes resources to Cryostat-managed resources to

Red Hat Developer