Use
The memory utilization statistics are important to ensure that system performance is running smoothly.
The system displays the following information for the last twenty four hours:

As general rule of thumb in a small hardware configuration, CPU bottlenecks occur when free physical memory is less than 10 MB and/ or when page out activity is greater than 0.
These values may vary for different operating systems and system sizes.
Procedure
See also:
Operating System Monitor