PromQL: Difference between revisions
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(Created page with "=Internal= * Prometheus Concepts =Organizatorium= Vectors. Instant vectors. Time ranged vectors.") |
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=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= | =Internal= | ||
* [[Prometheus_Concepts#PromQL|Prometheus Concepts]] | * [[Prometheus_Concepts#PromQL|Prometheus Concepts]] | ||
=Data Types= | |||
==Instant Vector== | |||
A set of time series containing a simple [[#Sample|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= | =Organizatorium= | ||
Vectors. Instant vectors. Time ranged vectors. | Vectors. Instant vectors. Time ranged vectors. | ||
Query for all [[Prometheus_Concepts#Series|series]] that are associated with a certain label: | |||
<syntaxhighlight lang='text'> | |||
some_metric{some_label!=""} | |||
</syntaxhighlight> | |||
Query for all [[Prometheus_Concepts#Series|series]] that are associated with two labels: | |||
<syntaxhighlight lang='text'> | |||
some_metric{some_label!="",some_other_label!=""} | |||
</syntaxhighlight> | |||
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!=""}