This article introduces a special rule definition in Cryostat 2.0 that lets you access JDK Flight Recorder (JFR) data on the fly, without waiting for your application's normally scheduled archive process. We'll introduce Cryostat's new POST rule definition and show you how to use it to quickly diagnose performance problems in containerized applications running on Kubernetes and Red Hat OpenShift. Read the series: We're publishing a series of hands-on guides to using Cryostat 2.0, which is JDK Fl...