Software Alternatives, Accelerators & Startups

OpenStack VS Prometheus

Compare OpenStack VS Prometheus and see what are their differences

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OpenStack logo OpenStack

OpenStack software controls large pools of compute, storage, and networking resources throughout a datacenter, managed through a dashboard or via the OpenStack API.

Prometheus logo Prometheus

An open-source systems monitoring and alerting toolkit.
  • OpenStack Landing page
    Landing page //
    2023-07-22
  • Prometheus Landing page
    Landing page //
    2021-10-13

OpenStack features and specs

  • Open Source
    OpenStack is open source, which means there is no licensing fee and a broad community of users and developers contributes to its development and support.
  • Flexibility
    It supports a wide variety of hardware and software, allowing organizations to customize their cloud infrastructure to meet specific needs.
  • Scalability
    OpenStack can scale horizontally, allowing organizations to add or remove resources as their needs change, effectively managing large pools of compute, storage, and networking resources.
  • Vendor Neutrality
    Being vendor-neutral, OpenStack offers flexibility to avoid vendor lock-in and choose from a wide range of compatible technologies and service providers.
  • Community Support
    A large and active community provides extensive documentation, forums, and support, which can be very helpful for troubleshooting and development.

Possible disadvantages of OpenStack

  • Complexity
    Setting up and managing OpenStack can be complex and requires a significant level of expertise, which may necessitate specialized training for staff.
  • Performance Overhead
    Being a feature-rich platform, it often involves more performance overhead compared to other simpler, more streamlined services.
  • Resource Intensive
    OpenStack can be resource-intensive in terms of CPU, memory, and storage, which might not be suitable for all organizations, especially smaller ones with limited resources.
  • Interoperability Issues
    Integrating OpenStack with existing systems and third-party tools can sometimes present challenges, especially when dealing with legacy infrastructure.
  • Evolving Platform
    The platform is constantly evolving, which can be both a pro and a con. Keeping up to date with the latest releases and changes can be time-consuming and may require ongoing maintenance.

Prometheus features and specs

  • Powerful Query Language
    Prometheus uses PromQL, a flexible and powerful query language that allows for complex and detailed queries.
  • Dimensional Data Model
    Prometheus employs a multidimensional data model with time series data identified by metric name and key-value pairs, offering great flexibility in data organization.
  • Auto-Discovery
    It supports service discovery mechanisms to automatically locate and scrape metrics from jobs, simplifying the monitoring process.
  • Alerting
    Prometheus includes built-in alerting capabilities that allow you to trigger alerts based on PromQL queries, which can be integrated with different alert management systems.
  • Scalability
    Its architecture, which uses independent single servers, scales well, allowing you to handle a large number of time series efficiently.
  • Open Source
    Prometheus is open-source and supported by a large community, offering transparency, regular updates, and numerous integrations.
  • Easy Integration
    Thanks to its compatibility with various data exporting standards and a myriad of existing exporters, integrating Prometheus into existing systems is streamlined.

Possible disadvantages of Prometheus

  • Single Points of Failure
    Prometheus instances operate independently, meaning that if a server goes down, the metrics it monitored will be unavailable unless replicated manually.
  • Storage Overhead
    Prometheus can consume significant storage, especially for high-resolution time series data, which might necessitate careful planning and management.
  • Limited Long-Term Storage
    By default, Prometheus is not designed for long-term storage of metrics and may require integration with other systems like Thanos or Cortex for this purpose.
  • Complexity for Beginners
    The sheer number of features and the complexities associated with PromQL can present a steep learning curve for newcomers.
  • Scaling Write Operations
    In high-scale environments, write operations might become a bottleneck due to the single-server nature of the Prometheus architecture.
  • Lack of Native High Availability
    While Prometheus supports running multiple instances, it does not provide built-in high availability features out-of-the-box, necessitating additional configurations.
  • No Built-in Authentication and Authorization
    Prometheus lacks native support for secure authentication and authorization, which means these features must be externally managed.

Analysis of OpenStack

Overall verdict

  • OpenStack can be an excellent choice for businesses and enterprises looking to deploy a cloud infrastructure, particularly if they value flexibility, scalability, and control over their environment. Being open-source, it also offers cost advantages compared to proprietary solutions, provided the organization has the necessary expertise to manage and maintain it. However, it may be challenging for smaller teams without dedicated IT resources due to its complexity and the steep learning curve associated with its deployment and management.

Why this product is good

  • OpenStack is a popular open-source cloud computing platform that enables users to build and manage both public and private clouds. It offers a flexible and scalable solution for organizations that need to handle large amounts of data and infrastructure. OpenStack is developed by a vast community of developers and organizations, ensuring continuous improvement and adaptation to new technologies. It supports a wide range of APIs, which allows for customization and integration with other services and tools.

Recommended for

    OpenStack is particularly recommended for large enterprises, organizations with skilled IT teams, academic institutions, and service providers that need a highly customizable and scalable cloud solution. It's also a great fit for entities with specific compliance requirements or those that need to run a private cloud with tailored configurations.

Analysis of Prometheus

Overall verdict

  • Prometheus is highly regarded for its robustness, versatility, and efficiency in monitoring and alerting tasks, especially within cloud-native environments.

Why this product is good

  • Prometheus is a powerful open-source monitoring and alerting toolkit designed for reliability and scalability.
  • It excels at time-series data collection and querying, making it ideal for infrastructure and application monitoring.
  • Prometheus has a flexible query language, PromQL, which allows users to extract and manipulate data effectively.
  • The tool is widely adopted in the industry and has a strong community-driven ecosystem, ensuring consistent updates and support.
  • It integrates seamlessly with many other systems and services, such as Kubernetes, making it versatile across various environments.

Recommended for

  • Organizations seeking a reliable monitoring solution for dynamic cloud environments, such as Kubernetes.
  • Teams that require real-time alerting and data visualization capabilities.
  • Developers and DevOps professionals interested in leveraging a mature and active open-source monitoring tool.
  • Businesses aiming to monitor diverse and large-scale infrastructures with a flexible query system.

OpenStack videos

OpenStack Summit Primer, The Who, What, Why and How of OpenStack

More videos:

  • Review - Red Hat OpenStack Platform GPU use case
  • Review - Performance Analysis Review for Production OpenStack Private Cloud in SaaS

Prometheus videos

How Prometheus Monitoring works | Prometheus Architecture explained

Category Popularity

0-100% (relative to OpenStack and Prometheus)
Cloud Computing
100 100%
0% 0
Monitoring Tools
0 0%
100% 100
VPS
100 100%
0% 0
Log Management
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare OpenStack and Prometheus

OpenStack Reviews

35+ Of The Best CI/CD Tools: Organized By Category
OpenStack is a cloud framework. It provides users and enterprises with horizontal scale infrastructure. Its tools allow you to compute, store and share data and resources. It also provides self-service administration that users can interact with directly.

Prometheus Reviews

Top Datadog Competitors and Alternatives in 2025
Prometheus offers robust alerting capabilities, allowing users to define alerting rules based on predefined thresholds or custom conditions. When an alert is triggered, Prometheus can send notifications via various channels such as email, PagerDuty, or Slack, enabling timely response to incidents and anomalies.
Source: www.atatus.com
The 10 Best Nagios Alternatives in 2024 (Paid and Open-source)
The 10 Best Prometheus Alternatives 2024 Prometheus is one of the most well-known open-source monitoring tools out there. But is it right for you? Check out these Prometheus alternatives to find out.
Source: betterstack.com
Top 11 Grafana Alternatives & Competitors [2024]
Under the hood, Grafana is powered by multiple tools like Loki, Tempo, Mimir & Prometheus. SigNoz is built as a single tool to serve logs, metrics, and traces in a single pane of glass. SigNoz uses a single datastore - ClickHouse to power its observability stack. This makes SigNoz much better in correlating signals and driving better insights.
Source: signoz.io
GCP Managed Service For Prometheus vs. Levitate | Last9
Levitate is up to 30X cost-efficient compared with Google Managed Prometheus. This is possible because of warehousing capabilities such as data tiering, streaming aggregations, and cardinality controls, making it a much superior choice to Google Managed Prometheus.
Source: last9.io
The Best Open Source Network Monitoring Tools in 2023
Description: Prometheus is an open source monitoring solution focused on data collection and analysis. It allows users to set up network monitoring capabilities using the native toolset. The tool is able to collect information on devices using SNMP pings and examine network bandwidth usage from the device perspective, among other functinos. The PromQL system analyzes data...

Social recommendations and mentions

Based on our record, Prometheus seems to be a lot more popular than OpenStack. While we know about 300 links to Prometheus, we've tracked only 2 mentions of OpenStack. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

OpenStack mentions (2)

  • Learn OpenStack by Example: Part 1 - Install DevStack
    In my first post, I looked into what is OpenStack and how, if done right, can be quite a powerful ally in our cloud deployment strategies. In this post, I want to start looking at how we can create an application to learn the basics and components of the system. - Source: dev.to / about 5 years ago
  • Learn OpenStack by examples: Part 0 - Summary and Goals
    While searching for solutions and documentation on the various problems I've come across, I would often see references to OpenStack and it got my curiosity going. What is OpenStack? What services does it offer and who owns it? How do I learn to use it? What are it's costs and limitations? - Source: dev.to / about 5 years ago

Prometheus mentions (300)

  • My homelab stack in 2026: what runs, why, and how it all connects
    Prometheus scrapes metrics from the stack. Node exporter covers the host, cAdvisor covers containers, and individual services expose their own endpoints where supported. The main value isn't dashboards (though those exist) - it's having a queryable record of system state over time, and a place to hook alerts when something drifts. - Source: dev.to / 12 days ago
  • Best Open Source Monitoring Tools in 2026: 7 Self-Hosted Options Compared
    Prometheus is the industry-standard time-series database for infrastructure metrics. Paired with Grafana for visualization and Alertmanager for routing, it forms the backbone of monitoring at companies from startups to Netflix-scale deployments. This isn't a single tool โ€” it's an ecosystem. - Source: dev.to / 19 days ago
  • Rate Limiting in Spring Boot REST APIs: Bucket4j + Redis
    To monitor and analyze rate limiting metrics, we're using a combination of Redis and Prometheus. We're storing rate limiting metrics in Redis and then using Prometheus to scrape the metrics and display them in a dashboard. Here's an example of how we're storing rate limiting metrics in Redis:. - Source: dev.to / 29 days ago
  • Chronos vs Toto: Zero-Shot Forecasting Benchmark Results
    In this post, we compare two forecasting models, Chronos (Chronosโ€‘Bolt) and Toto, on telemetry from Prometheus and OpenSearch. We judge them with two easy metrics: MASE for point accuracy and CRPS for the quality of uncertainty. - Source: dev.to / about 1 month ago
  • The Real Cost of Silent Data Pipeline Failures
    For monitoring infrastructure, Prometheus and Grafana are widely used for pipeline metrics collection and alerting. For orchestration that includes built-in run observability, Apache Airflow tracks run history, task durations, and failure states in a web UI. Python with SQLAlchemy is the standard stack for custom pipeline implementation with relational state management. - Source: dev.to / 2 months ago
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What are some alternatives?

When comparing OpenStack and Prometheus, you can also consider the following products

Linode - We make it simple to develop, deploy, and scale cloud infrastructure at the best price-to-performance ratio in the market.

Grafana - Data visualization & Monitoring with support for Graphite, InfluxDB, Prometheus, Elasticsearch and many more databases

DigitalOcean - Simplifying cloud hosting. Deploy an SSD cloud server in 55 seconds.

Datadog - See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.

Microsoft Azure - Windows Azure and SQL Azure enable you to build, host and scale applications in Microsoft datacenters.

NewRelic - New Relic is a Software Analytics company that makes sense of billions of metrics across millions of apps. We help the people who build modern software understand the stories their data is trying to tell them.