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Prometheus

Prometheus

Monitoring system and time series database

softwareDevOps & CI/CDMonitoringTime Series DatabaseAlerting
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Our Verdict

Best for

Large-scale DevOps and SRE teams

Skip if

Small teams or beginners

What is Prometheus?

Prometheus is a free software application used for event monitoring and alerting. It records real-time metrics in a time series database (allowing for high dimensionality) built using a HTTP pull model, with flexible queries and real-time alerting. The project is written in Go and licensed under the Apache 2 license, with source code available on GitHub.

SpecificationsAI-estimated

deploymentSelf-hosted
open source✅ Yes
github stars65,199
api available✅ Yes
support optionsCommunity support, Documentation
key integrationsKubernetes, Docker, Grafana
primary languageGo

Key Features of Prometheus

Prometheus provides a multi-dimensional data model with time series data identified by metric name and key-value pairs.
It has a flexible query language (PromQL) that allows users to select and aggregate time series data in real-time.
The system supports real-time alerting based on user-defined rules.
Prometheus has a built-in alert manager that can send notifications to various receivers such as email, Slack, and PagerDuty.
It has a large ecosystem of integrations with other tools and services, including Kubernetes, Docker, and Grafana.
Prometheus provides a simple and efficient data model that allows for high performance and scalability.
It has a robust and fault-tolerant architecture that ensures high availability and reliability.

Use Cases for Prometheus

1

Monitoring Kubernetes Clusters

Prometheus can be used to monitor Kubernetes clusters, providing real-time metrics and alerts on cluster performance and health.

2

Monitoring Cloud Infrastructure

Prometheus can be used to monitor cloud infrastructure, providing real-time metrics and alerts on resource utilization and performance.

3

Monitoring Applications

Prometheus can be used to monitor applications, providing real-time metrics and alerts on application performance and health.

4

Monitoring IoT Devices

Prometheus can be used to monitor IoT devices, providing real-time metrics and alerts on device performance and health.

Pros & Cons of Prometheus

Pros

  • Highly scalable and performant
  • Flexible query language and data model
  • Real-time alerting and notification system
  • Large ecosystem of integrations and community support

Cons

  • Steep learning curve due to complex query language and data model
  • Requires significant resources and infrastructure to deploy and manage
  • Limited support for historical data and long-term storage

Frequently Asked Questions

What is Prometheus?

Prometheus is a free software application used for event monitoring and alerting.

What is the data model used by Prometheus?

Prometheus uses a multi-dimensional data model with time series data identified by metric name and key-value pairs.

What is PromQL?

PromQL is the query language used by Prometheus to select and aggregate time series data in real-time.

Is Prometheus open source?

Yes, Prometheus is open source software licensed under the Apache 2 license.

Pricing Overview

View full pricing →
Free

Detailed plans are not listed. Visit the official website for pricing information.

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About the Tool

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Target AudienceDevOps and SRE teams

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MonitoringTime Series DatabaseAlertingMetricsOpen Source

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