[jbpm-dev] change heap memory to build war file(fullProfile)

hi all, in my computer um using 4GB RAM .. i tried to build war file using "mvn clean install -PfullProfile" command.... only one time i built the war file but it took more than six hours ... when building it took 96% of memory and 97% of Swap.... now it take 100% swap memory and stuck whole process in "compiling permutations" is there a way to configure heap memory in the jbpm-console file. or any other method to overcome this problem ????? waiting for your reply normally my lap use 18% of memory and 6% fo swap memory... regards, Akila