BlogNotes to Myself

Before I switched to a Mac the real™ GNU Emacs has been my main editor. On the Mac I used Aquamacs a lot but after the recent release of Emacs for Mac OS X Version 23.4 I decided to switch back to GNU Emacs. But after the change the integration with GPGTools stopped working.

In August 2011 Dave Abercrombie wrote an article about the Universal Scalability Law (USL) in an Oracle OLTP database. He used Mathematica for his calculations and wanted to provide a solution based on R later. Currently I am keen to learn more about the Universal Scalability Law and therefore I decided to transform his calculations into R code myself.

The response time of a web application is one of the most important factors to create a convenient user experience. Nobody spends much time exploring a site with a sluggish response time. So you need to understand where the time is spent to improve the response time of your web application. This article is about the response time log of the Apache HTTP Server.