PromQL: Difference between revisions
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* https://prometheus.io/docs/prometheus/latest/querying/functions/ | * https://prometheus.io/docs/prometheus/latest/querying/functions/ | ||
* https://prometheus.io/docs/prometheus/latest/querying/api/ | * https://prometheus.io/docs/prometheus/latest/querying/api/ | ||
* https://promlabs.com/promql-cheat-sheet/ | |||
=Internal= | =Internal= | ||
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A set of time series containing a simple [[#Sample|sample]] for each time series, all sharing the same timestamp. | A set of time series containing a simple [[#Sample|sample]] for each time series, all sharing the same timestamp. | ||
==Range Vector== | ==Range Vector== | ||
A set of time series containing a range of data points over time for each series. | A range vector is a set of time series containing a range of data points over time for each series. It is also known as "time ranged vector". | ||
==Scalar== | ==Scalar== | ||
Latest revision as of 21:45, 8 April 2024
External
- https://prometheus.io/docs/prometheus/latest/querying/basics/
- https://prometheus.io/docs/prometheus/latest/querying/examples/
- https://prometheus.io/docs/prometheus/latest/querying/operators/
- https://prometheus.io/docs/prometheus/latest/querying/functions/
- https://prometheus.io/docs/prometheus/latest/querying/api/
- https://promlabs.com/promql-cheat-sheet/
Internal
Data Types
Instant Vector
A set of time series containing a simple sample for each time series, all sharing the same timestamp.
Range Vector
A range vector is a set of time series containing a range of data points over time for each series. It is also known as "time ranged vector".
Scalar
A simple numeric floating point value.
String
A simple string value.
Organizatorium
Vectors. Instant vectors. Time ranged vectors.
Query for all series that are associated with a certain label:
some_metric{some_label!=""}
Query for all series that are associated with two labels:
some_metric{some_label!="",some_other_label!=""}