WORKLOAD CHARACTERIZATION METHODOLOGY
We plan to construct an operational analysis model, a system model and a component level model. At the system level, we will use the finite population, various service rate model and the component level, we will use the multiple-class closed model, as explained in the Project Description document. The classes will be divided by various file size. Since we plan on perform our study from the server standpoint, we are interested in measuring the following parameters of the system.
The arrival rate (request per second)
System throughput in HTTP operations per second or in bits per second depending on the type of workload we have.
Latency at the server (Response time) in transaction per second
Error per second
The size of the file retrieved
Component-wise measurement: e.g utilization of the CPU and utilization of the disk.
We want to predict the system performan