Sean Walberg shows us how to measure and display data easily to pinpoint the source of problems with the RRDtool.
FTA, "...Examine how to determine the root cause of Web performance problems. Without proper measurement, how do you know whether your Web application is performing well? By using open source tools such as the RRDtool, you can graph the key performance measurements of any Web application, use these graphs to determine the impact of changes in the environment, or point to changes that need addressing..."
It covers following topics
- Explaining Web performance
- RRDtool graph
- Putting it all together
- Interpreting the results (this is important and may tutorial will not explain how to Interpret the results)
Read more at IBM developerworks ...