This concerns Intellij from 9 to 11. In the IDEA window On the bottom right corner I see the current memory usage, typically \"224M of 254M\" How do I give more memory to Idea s
For Windows, in your IntelliJ Idea folder modify idea.exe.vmoptions.
idea.exe.vmoptions
See http://blogs.jetbrains.com/idea/2006/04/configuring-intellij-idea-vm-options/