Have you ever wanted to bring your JFR events into context? Adding information on sessions, user IDs, and more can improve your ability to make sense of all the events in your profile. Currently, we can only add context by creating custom JFR events, as I presented in my Profiling Talks: More here: https://mostlynerdless.de/profiling-talks/ We can use these custom events …

A long-time GlassFish user and active member of the GlassFish community, Jan Blavins, shares how he uses GlassFish Embedded to take advantage of some of its unique features compared to traditional application servers. I’ve been asked by the Eclipse GlassFish project to say a few words about how I use GlassFish Embedded. The GlassFish project is pretty active these days, …

Today’s modern, containerized, elastically scaling Java clusters often rely on CPU utilization as the main trigger for scaling out new instances. Imperfect as this metric may be, it is ubiquitous to scale out new instances based on CPU utilization going over some limit. Often that limit is surprisingly low, somewhere around 40 to 50%. Azul Platform Prime replaces OpenJDK’s HotSpot …