October 2017
Intermediate to advanced
442 pages
12h 33m
English
Content preview from Architecting Modern Java EE Applications
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Collecting technical metrics
The application is a good place to gather the technical metrics, ideally at the system boundaries. It's equally possible to collect these in a potential proxy server.
The application server already emits technically-relevant metrics such as information about resource consumption, threading, pooling, transactions, or sessions. Some solutions also provide Java agents that sample and emit technically-relevant information.
Traditionally, application servers are required to make technically relevant metrics available via JMX. This functionality is part of the Management API, but has never been used much in projects. One of the reasons for this is that the model and API are quite cumbersome.
However, it's helpful to ...
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