by Clarence Ho

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C H A P T E R  23

Spring Application Monitoring

A typical JEE application contains a number of layers and components, such as the presentation layer, service layer, persistence layer, backend data source, and so on. During the development stage or after the application had been deployed to the quality assurance (QA) or production environment, we want to ensure that the application is in a healthy state without any potential problems or bottlenecks.

In a Java application, various areas may cause performance problems or overload server resources (such as CPU, memory, I/O, and so on). Examples are inefficient Java code, memory leaks (for example, Java code keeps allocating new objects without releasing the reference and prevents the underlying ...

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