Warning: This document is for an old version of Gnocchi. The latest version is 3.1.4.

GlossaryΒΆ

Resource
An entity representing anything in your infrastructure that you will associate metric(s) with. It is identified by a unique ID and can contain attributes.
Metric
An entity storing measures identified by an UUID. It can be attached to a resource using a name. How a metric stores its measure is defined by the archive policy it is associated to.
Measure
A datapoint tuple composed of timestamp and a value.
Archive policy
A measure storage policy attached to a metric. It determines how long measures will be kept in a metric and how they will be aggregated.
Granularity
The time between two measures in an aggregated timeseries of a metric.
Timeseries
A list of measures.
Aggregation method
Function used to aggregate multiple measures in one. For example, the min aggregation method will aggregate the values of different measures to the minimum value of all the measures in time range.