Just because I have nothing else to do on a lazy, rainy Sunday morning I thought it would be fun to see how much I can slash off the startup time for Ubuntu 11.04 64Bit on my HP Probook 4720s. The OS boots from a class 6 SD card (16 Mbyte/sec read) and 6 GB … Continue reading Speeding up Ubuntu 11.04 boot time
Tag: performance
Squeezing the last bit out of RPC GWT
My latest web project [1] is setting up a real estate site in Indonesia with GWT. While the number of internet users grow at an astonishing rate, much of the internet connectivity is achieved through slow dial ups or mobile connections. Thus the primary technical goal was keeping network payload to a minimum. GWT RPC … Continue reading Squeezing the last bit out of RPC GWT
A counterintuitive relation between CPU and memory usage
Continuing my tests on low-end server environments, I recently set up a stress test of a load balanced tomcat webapp. Part of that tests consist in reducing the available memory for the webapp (JVM -Xmx switch) and see how low it could go before negatively affecting performance. It's common knowledge that once available memory runs … Continue reading A counterintuitive relation between CPU and memory usage
