Tomas Hurka

You should be able to work with heap dump even if GC root or Retained Size computation is running. This is new feature - older versions of VisualVM do not...

> Yes, I am able to work while those tasks are running. Ok, good to know. > But the fans of my computer are spinning quite loudly and the battery...

If you want to select particular JDK permanently, you can add path to JDK to `visualvm/etc/visualvm.conf` file.

Based on the initial report, I downloaded [JDK 11 installer for Windows](https://github.com/ojdkbuild/ojdkbuild/releases/download/java-11-openjdk-11.0.6.10-1/java-11-openjdk-11.0.6.10-1.windows.ojdkbuild.x86_64.msi) and [JDK 8 installer for Windows](https://github.com/ojdkbuild/ojdkbuild/releases/download/java-1.8.0-openjdk-1.8.0.242-1.b08/java-1.8.0-openjdk-1.8.0.242-1.b08.ojdkbuild.windows.x86_64.msi) from https://github.com/ojdkbuild/ojdkbuild . I installed both JDKs on WIndows 10. I downloaded...

> VisualVM requires the JRE. No, VisualVM requires **JDK**, not JRE.

> The [command line docs](https://visualvm.github.io/docs/command-line-options.html) suggest that it's possible to start and stop sampling from a command line You are right, but they are used for IDE integrations, so they...

@kevinmilner Any update? Can you describe your use case in more details?

@ronosaurus As mentioned above the commandline options are used for IDE integration with VisualVM, so they just simulate appropriate user action in running VisualVM. One thing, I didn't get an...

One more idea - you can use `/platform/modules/org-netbeans-modules-sampler.jar` to create CPU sampling snapshot without visualvm and without GUI. See below: ``` java -jar platform/modules/org-netbeans-modules-sampler.jar Usage: First of all start your...

> Yes, I understand the intent of "visualvm --start-cpu-sampler" is to help automate the UI from IDEs. My understanding of this thread was to gather use cases for an enhancement...