Increasing Heap Size with Netbeans

Edit netbeans.conf in Netbeans installation directory, etc subdirectory and set netbeans_default_options. An example is given below

netbeans_default_options="-J-client -J-Xss2m -J-Xms1024m -J-Xmx2048m -J-XX:PermSize=2048m -J-Dapple.laf.useScreenMenuBar=true -J-Dapple.awt.graphics.UseQuartz=true -J-

Dsun.java2d.noddraw=true -J-Dsun.java2d.dpiaware=true -J-Dsun.zip.disableMemoryMapping=true"