If your VM vendor and version supports that flag you can run your code with and without it and compare Performance. Is it safe to publish research papers in cooperation with Russian academics? One effective way to detect memory leaks in IntelliJ is using a tool called FusionReactor. it's how my heap space seems. Click in the top-right corner of the Debug tool window, then click Memory. please note that for this solution the user should use the default gnome shell and they also should. The overhead is very low. You can consider excluding folders that contain generated files, logs, project documentation, etc. This is very important in terms of IDE performance. (Although see below note, the system claims "150MB") Here's a breakdown of the different . It is remarkable that Old Generation and Perm Generation use ca 100% their spaces. I believe that you should only need to restart your gnome session for which logging out is adequate. I've taken the apt install approach suggested here, on Ubutnu 18.04 and am using its default gnome version. It shows so much inside details inside server . Currently we use the following code. Which IDE utilizes memory efficiently: Eclipse and IntelliJ? Why do top and lxtask show different degrees of memory usage? By submitting this form, I agree that JetBrains s.r.o. Embedded hyperlinks in a thesis or research paper. Memory Usage :: STAR WARS Jedi: Survivor General Discussions Image of minimal degree representation of quasisimple group unique up to conjugacy. Setup Please explain how making a call to gc() "interfere's" with the garbage collectors algorithms and how a call to a method 'degrades' subsequent calls? Open Tweaks, navigate to the Extensions tab, ensure that extensions in general are enabled, and then find "System-monitor" in the list on the same tab, and enable it. You can view the object references, memory usage, and other details . Was all my stuff still running? Identify bugs, bottlenecks and diagnose poor performance, Identify hot spots and opportunities for optimization (not necessarily related to a performance problem), Assess or compare the performance of different solutions, Get a better understanding of how a program operates under the hood. According to the feedback from some of our users and colleagues with big projects, changing the option to 8GB significantly improves IDE performance. A new tab opens in which you can see the amount of resources the selected process consumes.