Monitoring plays a vital role in an IT administrator's life. It makes the life of a web/infrastructure engineer predictable. When I started my career in web infrastructure support, I always wondered, how does my boss know that a process is 90 percent utilized for a particular system or how does he know that a particular process will die after about 90 minutes from now, without logging into the application? Later, I found out that they have set up a monitoring system using various third-party tools available in the market for servers and application monitoring.
In this chapter, we will discuss:
How to monitor Tomcat 7
Management of applications using the Tomcat Manager
A third-party utility used for monitoring Tomcat 7
Before we learn how to monitor Tomcat 7, let us understand why monitoring is actually required for any system, as we have configured the systems well for the user.
The answer to this question is very tricky. In a real-time environment...