Monitoring is the process of defining metrics and alerts in order to respond to a performance degradation where the acceptable level was defined in service level agreement.
Monitoring system implements operational intelligence that provides a picture of what is currently happening within a system (event view).
The application that collects and analyse this kind of data are known as event-data application. For instance
They are produced by application (OS and third app) in order to:
The data unit collected are called for:
All data have a timestamp making them time serie data.
This data are also known as observability data.
The fundamental building blocks of performance monitoring are:
The monitoring community is now very aware that metrics usually aren’t normally distributed. Good; but most have NO IDEA what that means.
Monitoring is also known as Operational Intelligence. What is the difference ?