Memory areas contributing to the real memory footprint
I wonder what is the real weight of the different memory areas in the real memory footprint (retrieved by TOP egs.).
For instance, the JMX API gives access to the "CMS Perm Gen" area, with "init", "used", "committed", "max" attributes.
Which of these attributes is the one contributing to the real footprint ?
What is the effect of setting the max, and what happens if the max is reached by setting a too low value ? What is the value of the additionnal allocated size ? Is it tunable ?
I set the JVM memory options such as...