grafana prometheus query examples

For this article, I’m using a Dockerized deployment of Prometheus and Grafana that sets up Prometheus, Grafana, cAdvisor, NodeExporter, and alerting with AlertManager. You can't query the Agent; you can only query metrics from the remote writestorage. Prometheus is an open source monitoring and alerting toolkit. This page contains links to dashboards in Grafana Play with examples of template variables. The Grafana host will be responsible of the visualization part. Revisiting our architecture diagram from part 1, recall that Grafana can directly query Prometheus to render the data it needs for its dashboard. Good morning, i have a question: how can I get a list of targets of a Prometheus job, in Grafana as… Once we have the right metric coordinates captured, it’s time to create our first Prometheus Grafana dashboard. 2. following for every instance: ...we could get the top 3 CPU users grouped by application (app) and process Create a Grafana Prometheus Dashboard. Click “Graph,” and a blank default Graph will be created: Click the Panel Title to get a toolbar, and then click “Edit”: This is where we can configure all the details for our graph: There’s a lot going on in there. Grafana itself persists data about the dashboards it has saved, but no data is actually held in Grafana. Prometheus and Grafana are growing in popularity. Choose “Singlestat,” then drag the System CPU Load graph to position it over the new Panel by clicking the title of the Panel and dragging the graph: Just like in our Graph creation, click the “Panel Title” and edit it, and this time enter the EnqueueCount metric that we grabbed from Prometheus: You’ll notice that when you click off, this metric may not match with the value you saw in Prometheus. Grafana supports different storage backends which provides a variety of ways to query and visualize the data. If we open Prometheus (by default, http://[hostname]:9090, and start typing “cpu” into our Prometheus query, we’ll see that we get some metric labels back: We can select one of those metrics and click Execute to find the full coordinates: Since there may be multiple metrics, say for instance, Enqueue Time across multiple queues in ActiveMQ, getting the specific coordinate from Prometheus is essential in making sure that we are monitoring the right data. Click the Grafana Logo to get the side toolbar, and then click “+” followed by “Dashboard”: This will create a new dashboard and add our first panel: Grafana is arranged into independent panels that can have widgets added to them. Then add a new panel and add a query. Grafana is now capable of querying metrics from Prometheus! Get in touch today. If the user zooms out a lot then the interval becomes greater, resulting in a more coarse grained aggregation whereas if the user zooms in then the interval decreases resulting in a more fine grained aggregation. name match a certain pattern, in this case, all jobs that end with server: All regular expressions in Prometheus use RE2 Exporters Is there a way to round a decimal value in grafana? Our experts are skilled in Prometheus, Grafana, and many other analytics solutions. All rights reserved. syntax. but still preserve the job dimension: If we have two different metrics with the same dimensional labels, we can apply Example, scrape_duration_seconds. Now let’s add Prometheus as the data source in Grafana. The Grafana data source for Prometheus is included since Grafana 2.5.0. Click the X to the upper right, and we should see the following finished product as your Grafana Prometheus dashboard example: Note that we can resize this graph by using the indicated handle on the lower right of the graph. - ramdesh/flask-prometheus-grafana-example (fanout by job name) and instance (fanout by instance of the job), we might These panels can be resized and dragged around the screen. If you use Prometheus and Grafana for metrics storage and data visualization, Solr includes a Prometheus exporter to collect metrics and other data. S3-compatible APIs; S3 Expanded Config; Almost zero dependencies setup; schema_config; Query Frontend; Complete Local config Find query examples on Prometheus Query Examples. For example, the following PromQL provides the top data transfers by … magellan_a37463746adfdf_passed 9 magellan_a37463746adfdf_failed 4. 4. That’s because the default stat type for a Single Statistic is an Average Value rather than an absolute value. You can see the beginning of a new dashboard in the image below: For more instructions on how to build a Grafana dashboard from scratch, read our full tutorial here. 5. The easiest way to do this is to find the exact query coordinates using Prometheus, and copy them as a Prometheus query into Grafana. Example deployment of a Flask API using Prometheus and Grafana for metrics and monitoring. For example, some Prometheus installers use it to set the configuration file to /etc/prometheus/prometheus.yml. The query in this query block simply presents data according to the selected node variable value (it’s the phrase {node=~\”^$Node$\”}). For now, copy the SystemCPULoad query that we pulled from Prometheus earlier into the query line: Upon clicking off of the query, you’ll see that Grafana immediately executes the query and starts rendering graph data: Move to the General tab, and let’s give our Graph a suitable name: Now let’s label our Y axis and change our number format to Percent(0.0-1.0). Grafana. Let’s take a closer look. This is better illustrated by looking at a metric like EnqueueCount: Notice that we have multiple points being gathered across differing “destinationName” objects. Results can either be shown as a graph, viewed as tabular data in the Prometheus expression browser, or consumed by external systems via the HTTP API. The result of an expression can either be shown as a graph, viewed as tabular data in Prometheus’s expression browser, or consumed by external systems via the HTTP API.

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