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JMX for Managing Java Applications
JavaFAQ Home » Good To Know
Without a distributed services
layer, management help from JMX may be limited
Network and application
management is a misnomer. When vendors hawk their application management
software, what they are really selling is application monitoring software.
Almost all application management products observe the status and behavior of
network applications but do not provide much in the way of taking action in
response to the observations. When I want to manage something, I want to take
action. For example, configuration management is not about just observing and
recording changes. That would be revision control. Configuration management will
automatically reconfigure a system to conform to a different incarnation,
resolve dependencies on specific versions of other systems, and so on.
Management does something for you; it doesn't merely alert you that the status
of a system has changed and delegate responsive actions to you.
Let's see if the Java Management Extensions (JMX) are
truly management extensions or just monitoring extensions. When you begin to
work with JMX and peruse the JSR-3 specification, you won't find the terms
management and monitoring defined explicitly. Still, you get the
general feeling that the specification recognizes that management and monitoring
are two separate activities. Monitoring supports management activities by
reporting the status of a system. Management allows you to make changes to a
system, often in response to monitoring results.
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