Prometheus - Monitoring system & time series database

Monitor your applications, systems, and services with the leading open source monitoring solution. Instrument, collect, store, and query your metrics for alerting, dashboarding, and other use cases.

Downloads for the latest releases of the Prometheus monitoring system and its major ecosystem components.

For more elaborate overviews of Prometheus, see the resources linked from the media section. ... Metrics are numerical measurements in layperson terms. The term time series refers to the recording of changes over time. What users want to measure differs from application to application.

The Prometheus client libraries offer four core metric types. These are currently only differentiated in the client libraries (to enable APIs tailored to the usage of the specific types) and in the wire protocol. The Prometheus server does not yet make use of the type information and flattens ...

Grafana support for Prometheus

Set the appropriate Prometheus server URL (for example, http://localhost:9090/) Adjust other data source settings as desired (for example, choosing the right Access method). Click "Save & Test" to save the new data source. The following shows an example data source configuration: Follow the standard way of adding a new Grafana graph. Then: Click the graph title, then click "Edit". Under the "Metrics...

Prometheus

event monitoring and alerting software

Prometheus is a free software application used for event monitoring and alerting. It records metrics in a time series database (allowing for high dimensionality) built using an HTTP pull model, with flexible … Wikipedia

Factsheet

Initial release 24 November 2012; 13 years ago (2012-11-24)

Stable release v3.2.1
/ 26 February 2025; 9 months ago (2025-02-26)

Repository github.com/prometheus/prometheus

Factsheet

Initial release 24 November 2012; 13 years ago (2012-11-24)

Stable release v3.2.1
/ 26 February 2025; 9 months ago (2025-02-26)

Repository github.com/prometheus/prometheus

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Videos

How to set up Prometheus monitoring for your services - YouTube

Prometheus Monitoring - Steps to monitor third-party apps using ...

September 25, 2020

Metrics & Monitoring in Prometheus & Grafana from .NET Core - YouTube

Exporting Prometheus metrics in ASP.NET Core (2/5) - YouTube

October 27, 2019

Measure All The Things with App Metrics - Mark Rendle - YouTube

How to collect metrics and create dashboards using Grafana, ...

February 14, 2020

github.com › AppMetrics › Prometheus

GitHub - AppMetrics/Prometheus: App Metrics Extensions for Prometheus reporting

App Metrics Extensions for Prometheus reporting. Contribute to AppMetrics/Prometheus development by creating an account on GitHub.

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grafana.com › grafana › dashboards › 2204-app-metrics-web-monitoring-prometheus

App Metrics - Web Monitoring - Prometheus | Grafana Labs

Dashboard to visualize metrics captured by App Metrics ASP.NET Core Middleware 1.2.0, tested with App.Metrics.Formatters.Prometheus 1.1.0 - http://app-metrics.io/

eytanmanor.medium.com › an-introduction-to-prometheus-a-tool-for-collecting-metrics-and-monitoring-services-12fcc3bdb5d6

An introduction to Prometheus — a tool for collecting metrics and monitoring services | by Eytan Manor | Medium

January 2, 2023 - Prometheus uses a special query language called PromQL that’s built to query metrics, for example — give me the total number of HTTP GET requests made in the past 5 minutes: ... Querying is often done in conjunction with a visualization tool, such as Grafana, which is very useful for reading metrics.

pluralsight.com › cloud-guru › labs › aws › collecting-application-metrics-with-prometheus

Collecting Application Metrics with Prometheus

Prometheus exporters allow you to collect metric data from a variety of sources. You can monitor not only your servers but also the applications running on your servers. In this lab, you will have the opportunity to explore application monitoring in Prometheus by setting up monitoring for an application process and pulling application metric data into a Prometheus server.

github.com › AppMetrics › GrafanaDashbaords › blob › master › prometheus › App Metrics - Web Monitoring - Prometheus-1517834380825.json

GrafanaDashbaords/prometheus/App Metrics - Web Monitoring - Prometheus-1517834380825.json at master · AppMetrics/GrafanaDashbaords

"description": "Dashboard to visualize metrics captured by App Metrics ASP.NET Core Middleware 1.2.0, tested with App.Metrics.Formatters.Prometheus 1.1.0 - http://app-metrics.io/",

Author AppMetrics

prometheus.io › docs › guides › go-application

Instrumenting a Go application for Prometheus | Prometheus

You can use the prometheus/promhttp library's HTTP Handler as the handler function. This minimal application, for example, would expose the default metrics for Go applications via http://localhost:2112/metrics:

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app-metrics.io › reporting › reporters

Metrics Reporters :: App Metrics

Basics Prometheus promotes a Pull based approach rather than Push, therefore App Metrics does not include a reporter to push metrics, but rather supports formatting metric data in Prometheus formats using the App.Metrics.Prometheus nuget package. App.Metrics.Prometheus supports both Prometheus’s plain text and protobuf formats.

sysdig.com › blog › prometheus-metrics

Prometheus metrics / OpenMetrics code instrumentation. | Sysdig

August 29, 2025 - Prometheus metrics let you easily instrument your Java, Golang, Python or Javascript app. Sysdig Monitor supports Prometheus metrics out of the box.

prometheus.io › docs › prometheus › latest › getting_started

Getting started | Prometheus

You will download and run Prometheus ... then extract and run it: ... Before starting Prometheus, let's configure it. Prometheus collects metrics from targets by scraping metrics HTTP endpoints....

middleware.io › blog › prometheus-metrics

Guide to Collecting, Analyzing & Visualizing Prometheus Metrics

By the end of this post, you’ll have everything under your belt to make the most of Prometheus metrics. ... Prometheus collects data points that represent the behavior and performance of your application or infrastructure.

tigera.io › home › prometheus monitoring › prometheus metrics

Prometheus Metrics: A Practical Guide | Tigera - Creator of Calico

October 28, 2024 - Prometheus is an open-source tool for collecting metrics and sending alerts. It was developed by SoundCloud. It has the following primary components: The core Prometheus app – This is responsible for scraping and storing metrics in an internal ...

github.com › brancz › prometheus-example-app

GitHub - brancz/prometheus-example-app: Go app that exposes metrics about its HTTP handlers.

Go app that exposes metrics about its HTTP handlers. - brancz/prometheus-example-app

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prometheus.io › docs › instrumenting › clientlibs

Client libraries | Prometheus

This lets you define and expose internal metrics via an HTTP endpoint on your application’s instance: ... When Prometheus scrapes your instance's HTTP endpoint, the client library sends the current state of all tracked metrics to the server.

logz.io › home › guides › learn › beginner’s guide to prometheus metrics

Beginner’s Guide to Prometheus Metrics | Logz.io

August 26, 2025 - The Prometheus open source software collects and stores metrics as time series data—or, info stored with timestamp data so users can gain a better understanding of the metrics at a certain point in time.

middleware.io › blog › how-prometheus-work

How Prometheus Works: A Guide to Metrics, Querying & Alerting.

Collects metrics by periodically scraping HTTP endpoints that expose data in a format Prometheus can understand. These endpoints are typically provided by exporters or instrumented applications that gather relevant data from various sources.

github.com › prometheus-net › prometheus-net

GitHub - prometheus-net/prometheus-net: .NET library to instrument your code with Prometheus metrics

The library exposes some metrics from ASP.NET Core applications: Number of HTTP requests in progress. Total number of received HTTP requests. Duration of HTTP requests. The ASP.NET Core functionality is delivered in the prometheus-net.AspNetCore ...

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prometheus.io › docs › concepts › metric_types

Metric types | Prometheus

The Prometheus client libraries offer four core metric types. These are currently only differentiated in the client libraries (to enable APIs tailored to the usage of the specific types) and in the wire protocol. The Prometheus server does not yet make use of the type information and flattens ...

betterstack.com › community › guides › monitoring › prometheus-metrics-explained

A Practical Guide to Prometheus Metric Types | Better Stack Community

Prometheus metrics are numerical representations of the state or behavior of a system that are collected over time to enable monitoring and alerting. These metrics are stored as time-series data, meaning that each metric is associated with a ...