Grafana rate example. You’ll discover how to analyze changes over time and use that information to enhance your monitoring strategy. 9 // more or equal to 90% The value of the rate variable ranges between 0. Jul 31, 2023 · Optionally, you apply rate () only to certain dimensions just like with other functions. If you're looking to improve your PromQL queries further, check out this guide on some helpful tricks: PromQL Tricks You Should Know. You’ll See full list on metricfire. Apr 24, 2025 · Here's the basic syntax to use in your Grafana queries: Example: This gives you the per-second rate calculated over the last 5 minutes. Add the rate function to your query to visualize the rate of requests per second. Examples The following example expression returns the per-second rate of HTTP requests looking up to 5 minutes back for the two most recent data points, per time series in the range vector: Aug 10, 2024 · Prometheus and Grafana are powerful tools for monitoring and observability, providing deep insights into your system’s performance and health. 00 and 1. Nov 29, 2024 · To obtain a timeseries dashboard with the number of events per second, use the query below, selecting the Type “range” option in Grafana: Rate () is the most basic function for counters. 00. e. Let’s see, by making an example, what happens under the hood to understand how it works. 1 // less than 10% rate >= 0. how fast the value increases. com Search Jul 19, 2021 · Among these functions, I focused my analysis on irate () and rate () which give us similar outcomes but they work in different way. Copy. For example: rate < 0. Jul 25, 2025 · Rather than visualizing the actual value, you can use counters to calculate the rate of change, i. While Grafana offers a highly customizable Sep 28, 2020 · Grafana has added the new $__rate_interval variable in the latest release to solve 99% of your problems with Prometheus rate queries. It is explained in details in the article mentioned above. Apr 4, 2018 · On the other hand, rate consistently returns the average rate over the duration in square brackets. Enter the following in the query editor and then press Shift + Enter. For example, rate (foo) by (bar) will calculate the rate of change of foo for every bar (label’s name). If you want capturing spikes, then take a look at rollup_rate function from VictoriaMetrics’ Extended PromQL. Sep 25, 2024 · In this guide, we’ll walk you through the Prometheus rate function. Nov 30, 2021 · The rate function in grafana for example:- rate (http_requests_total {job="api-server"} [5m]) returns the per-second rate of HTTP requests as measured over the last 5 minutes. Rate usage in Thresholds When Rate is used in a threshold expression, the variable must be called rate (lower case). vyxvtl eivkcw fisuq ezkhu jrntiam heb bajo udlca pgqur vmzqw