I've set my memory to use on 2GB but the app Memory Manager is showing that Max Memory is 7GB.
I regularly have an issue that if I run a large query then it hangs my machine as it uses all available memory.
Startup.log
Aqua Data Studio 14.0.11
Thu Aug 04 16:49:20 BST 2016
1.6.0_43-b01 Windows 7 amd64 Cp1252 en_GB
Memory: Max=7,456,555,008 Total=127,270,912 Free=116,891,736 CPUs=4