When working with monitoring technology, some familiarity with common terminology is often helpful. Below, we will cover some of the most frequently used concepts that are relevant to SimpleCloudHosting Monitoring:
- Resource: In computing, a resource is a basic component with limited availability. Resources include CPU, memory, disk space, or available bandwidth.
- Metric: In computing, a metric is a standard for measuring a computer resource. Metrics can either refer to the resource and unit with which to measure, or the data that is collected about that resource.
- Units: Units are standard ways of comparing values.
- Percentage units: Percentage units specify a value in relationship to the total available quantity, which is typically set at 100%. Percentages are useful for quantities with a known limit, like disk space.
- Rate units: Rate units specify a value in relation to another measure (most frequently time). Rate units usually tell you frequency of occurrence over a set time period so that you can compare magnitude. Rate units are useful when there is no easy-to-understand upper boundary that indicates total use or when it is more helpful to examine usage, like incoming bandwidth.
- Data point: A data point, or value, is a number and unit representing a single measurement.
- Data set: A data set is a collection of related data points.
- Time series data: Time series data is data collected at regular intervals and arranged chronologically in order to examine changes over time.
- Trend: A trend indicates a general tendency in a data set over time. Trends are useful for recognizing changes and for predicting future behavior.
- Monitoring: In computing, monitoring is the process of gathering and visualizing data to improve awareness of system health and minimize response time when usage is outside of expected levels.
- System usage monitoring: System usage monitoring is a type of monitoring that involves tracking system resources.
- Alerting: Alerting within a computer monitoring system is the ability to send notifications when certain metrics fall outside of expected ranges.
- Threshold: In alerting, a threshold is a value that defines the boundary between normal and abnormal usage.
- Alert interval: An alert interval is the period of time that average usage must exceed a threshold before triggering an alert.
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