I didn't think it was limitless...only observing that the Java VM memory, which I set to 2GB, wasn't even being reached. ;)
The system is using below the 8 GB and isn't swapping so it seems to be fine, memory-wise.
[Message sent by forum member 'wfsaxton' (wfsaxton)]
http://forums.java.net/jive/thread.jspa?messageID=254440