Application performance management

In the fields of information technology and systems management, application performance management (APM) is the monitoring and management of the performance and availability of software applications. APM strives to detect and diagnose complex application performance problems to maintain an expected level of service. APM is "the translation of IT metrics into business meaning ([i.e.] value)."

The term monitoring was replaced by many tool vendors by the term Observability. Often, monitoring is seen as the technical process of data collection, whereas observability is seen as the capability to understand a systems behavior.

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