Observability Tips and Tricks For Using Grafana and Prometheus Monitoring Kubernetes With Prometheus: Made Simple ( In later versions of ICP this problem is avoided, by using latest grafana 5.2.x new features: the data source is configured by using a config file ) Luckily, Prometheus does support many-to-one and one-to-many vector matching. In the Monitoring navigation pane, click Managed Prometheus. Go to the query window and enter the query below: InsightsMetrics | where Namespace == "prometheus" This query should then return a list of metrics from the Prometheus namespace, which you can check for the data you expect to be exported. The received query is passed to the custom_query method which returns the result of the query and the values are extracted from the result . InfluxDB scrapers can collect data from any HTTP(S)-accessible endpoint that returns data in the Prometheus data format. notification_sender-. If there are no samples in a time period then NaN will be returned for the quantiles, as would be the same with dividing the _sum by the _count above. Queries Exceed Maximum Data Points. Exit fullscreen mode. Prometheus provides a functional query language called PromQL (Prometheus Query Language) that lets the user select and aggregate time series data in real time. Query usage and costs We will now calculate the query samples processed and query costs for this example. Spring Boot actuator end point for the Prometheus server. SELECT name, 1 . In the below example, note the list of values accompanied by a timestamp, up to 30s into the past from 1608481001. Understanding the Prometheus rate() function | MetricFire Blog However, Prometheus and Icinga 2 should not be viewed as an "either-or" proposition as these tools complement each other. Explanation: Prometheus uses label. the following query will return max CPU-0 value for last minute: max_over_time(collectd_cpu{cpu='0'}[1m]) You can experiment with Prometheus queries directly in its web UI at localhost:9090/graph: Scraping targets. Or many-to-one. When selecting the Prometheus option, it is necessary to fill in the information: In the option Dashboards we need to import the standard dashboards: Now let's create our first dashboard: Selecting the option Add query we will fill with the data: In the query field we use: http_request_duration_seconds_count{job="bookmark"} > 0