The information extracted from a web server access log is very rich and give us good material for infinite possibilities of study. Being simple and direct, it is possible to count the number of requests that our web server receives just by counting the number of lines that the access log has. But we can expand our analysis and try to measure the average of the data traffic in bytes over the time, for example.

Recently, one of the most widely used services is the application performance management system, also known as APMs. Nowadays, these services are commonly offered as software-as-a-service and the main goal is to give us a view of an application's performance and health.

APMs are a good example of what can be analyzed based on the information extracted from the access log, due to the fact that a good part of the information that APMs generate is based on the access logs.

Attention! I am not saying that an APM works based only on the access log, but a good part of...