# Memory Usage

The Memory usage feature pops up a dialog showing continuous snapshots of the Ghidra memory usage within the the Java Virtual Machine. It is primarily a diagnostic tool for Ghidra developers.nbsp;

To display the memory usage dialog:

1. From the Project Window, Select HelpShow VM Memory from the menu.

The four values displayed are as follows:

1. Max Memory - the maximum memory that the Java VM is allowed to use.
2. Total Memory - the amount of memory that the Java VM is currently using.
3. Free Memory - the amount of the "Total Memory" that is currently unused by the Ghidra application.
4. Used Memory - the amount of the "Total Memory" that is currently used by the Ghidra application.