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High level plan• Run Java on Pi• Run vanilla Carbon kernel on Pi• Run enhanced Carbon kernel on Pi• Use enhanced kernel with WSO2 AppServer• Conduct load tests to get an idea about performance on Pi• Do something useful using GPIO functionality• Bootup script which will connect any Pi into AS cluster
Carbon kernel & AppServer enhancements• Run in worker mode without any admin services• Disable unused deployers• Lazy loading deployment artifacts• Cut down bootup time from 5 minutes to 1.5 minutes• Bleeding edge Hazelcast based clustering implementation
Software• OS • Raspbian “wheezy” • Linux kernel • Linux raspberrypi 3.2.27+ #250 PREEMPT Thu Oct 18 19:03:02 BST 2012 armv6l GNU/Linux• JAVA • Java(TM) SE Embedded Runtime Environment (build 1.7.0_10-b18, headless)• Python • Python 2.7.3 • python-dev• GPIO • RPi.GPIO-0.4.1a• WSO2 • AppServer with enhanced Carbon kernel