Observability lets you determine what’s important by watching how the system performs over time and asking relevant questions about it. The observability of your system, then, depends partly on how well your monitoring metrics can interpret your system's performance indicators.Īnother important difference is that monitoring requires you to know what’s important to monitor in advance. It uses the data and insights that monitoring produces to provide a holistic understanding of your system, including its health and performance. Observability, on the other hand, is a measure of how well the system’s internal states can be inferred from knowledge of its external outputs. Load time, for example, can tell developers something about the user experience of a website or an app. Monitoring data aggregation and correlation can also help you to make larger inferences about the system. Fundamentally, monitoring technologies, such as application performance monitoring (APM), can tell you if a system is up or down or if there is a problem with application performance. Monitoring tools collect and analyze system data and translate it into actionable insights. Specifically, monitoring is the act of observing a system’s performance over time. Observability is a property of that system, like functionality or testability.Monitoring is an action you perform to increase the observability of your system.Monitoring and observability are distinct concepts that depend on each other.
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