No more typing reviews! Try our Samantha, our new voice AI agent.

Nagios Core vs VictoriaMetrics comparison

Why PeerSpot?
 

Comparison Buyer's Guide

Executive SummaryUpdated on Jul 16, 2026

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

ROI

Sentiment score
8.9
Nagios Core boosted operational efficiency, reduced costs, minimized downtime, and significantly improved productivity and disaster recovery times.
Sentiment score
6.7
VictoriaMetrics reduces costs by up to 60%, improves efficiency and performance, and enhances client satisfaction with easy management.
I have seen a return on investment with VictoriaMetrics, saving 40% in storage costs compared to Prometheus, reducing query latency by 60%, and cutting maintenance time by half.
DevOps Engineer
time was saved due to simplicity and a shorter learning curve compared to other tools.
Director at a consultancy with 11-50 employees
Because VictoriaMetrics runs more efficiently and much faster, debugging an issue or understanding system performance is much easier.
Associate Director at Husk Power Systems
 

Customer Service

Sentiment score
5.5
Nagios Core relies on community and documentation for support, offering valuable resources but facing scalability and consistency challenges.
Sentiment score
5.6
VictoriaMetrics' responsive customer service, quick support, and helpful community backing garner positive feedback, enhancing user satisfaction and engagement.
We reached out once or twice for minor issues during the initial setup and integration, and they were helpful in resolving the issues.
Director at a consultancy with 11-50 employees
VictoriaMetrics customer support is exceptional.
Observability Engineer
We use the open-source version of VictoriaMetrics, so we did not require any customer support.
Software Engineer at a outsourcing company with 201-500 employees
 

Scalability Issues

Sentiment score
7.6
Nagios Core is highly scalable, supporting diverse infrastructures with open-source flexibility, despite some horizontal scaling concerns.
Sentiment score
7.9
VictoriaMetrics is praised for its scalability, stability, and easy cloud integration, efficiently handling large time series data.
The solution is scalable.
Senior System Administrator at Interactive Group
It handles large volumes of time series data efficiently, using less memory and disk compared to Prometheus or Thanos.
DevOps Engineer
We deploy and embed it in our Helm chart and it works out of the box.
Founder
VictoriaMetrics has handled increases in data and users smoothly so far.
Director at a consultancy with 11-50 employees
 

Stability Issues

Sentiment score
8.6
Nagios Core is highly stable and reliable, offering exceptional performance on Linux with minimal plugin-related issues.
Sentiment score
8.6
VictoriaMetrics is praised for stability, reliability, and compatibility with Kubernetes, requiring no updates or downtime according to users.
I tried many other solutions at work, however, in terms of Nagios, I haven't seen any disruption or downtime.
Senior System Administrator at Interactive Group
In terms of accuracy and reliability, VictoriaMetrics's output is pretty sufficient and works very well in a native Kubernetes setup, which I appreciate.
DevOps Architect at a tech vendor with 11-50 employees
The components are simple, restarts are fast, and stateless parts can be replaced without data loss.
DevOps Engineer
Regarding stability, I would rate it a ten out of ten.
 

Room For Improvement

Nagios Core needs a modernized interface, simplified configuration, scalability, and integration with tools like Grafana for improved usability.
VictoriaMetrics should improve UI with OpenTelemetry features and enhance pricing, documentation, integrations, automation, and data management strategies.
For our use cases, it is a really good offering, and while we would be interested to see what else it brings in the future, at this point in time it checks all our boxes and we are quite satisfied with it.
Director at a consultancy with 11-50 employees
VictoriaMetrics is quite a good project and quite easy to use overall.
Software Engineer at a outsourcing company with 201-500 employees
I compared it with my experience on other time series databases, and it has a huge advantage, so I do not see the need for urgent improvements or optimizations.
Software Engineer & Data Analyst at a consultancy with 11-50 employees
 

Setup Cost

Nagios Core provides cost-effective, open-source monitoring with engineering setup and maintenance, requiring customization expertise for full benefits.
VictoriaMetrics offers minimal costs due to its open-source model, with straightforward setup and optional affordable paid subscriptions.
We did not require any license for VictoriaMetrics since we are using the open-source version.
Software Engineer at a outsourcing company with 201-500 employees
I used the free open-source version, and it was sufficient for my needs.
Software Engineer & Data Analyst at a consultancy with 11-50 employees
My experience with pricing, setup cost, and licensing for VictoriaMetrics is positive since it is open-source under Apache 2.0, so there is no licensing cost.
DevOps Engineer
 

Valuable Features

Nagios Core offers extensible plugins, alerting, customizable dashboards, proactive monitoring, and integration, enhancing system reliability and minimizing downtime.
VictoriaMetrics offers fast, efficient, and scalable performance with cost-effective monitoring, supporting Prometheus and Kubernetes integrations for optimal resource usage.
You can monitor anything.
Senior System Administrator at Interactive Group
The best aspect of using VictoriaMetrics is the reduction in resources including RAM, memory, disk, and other infrastructure requirements, which have all decreased substantially after implementation.
Software Engineer at a outsourcing company with 201-500 employees
In my experience, the best features VictoriaMetrics offers include that VM agent does its work very efficiently and does not use a lot of resources.
Head of Application Support
Its compact storage and fast query performance make it ideal for long-term metric storage.
DevOps Engineer
 

Categories and Ranking

Nagios Core
Ranking in IT Infrastructure Monitoring
19th
Average Rating
8.2
Reviews Sentiment
7.3
Number of Reviews
51
Ranking in other categories
Network Monitoring Software (18th)
VictoriaMetrics
Ranking in IT Infrastructure Monitoring
12th
Average Rating
8.6
Reviews Sentiment
6.7
Number of Reviews
12
Ranking in other categories
Application Performance Monitoring (APM) and Observability (16th), Open Source Databases (10th), Server Monitoring (4th), Log Management (12th), Container Monitoring (7th), Cloud Monitoring Software (14th), AIOps (13th), AI Observability Services (1st)
 

Mindshare comparison

As of November 2026, in the IT Infrastructure Monitoring category, the mindshare of Nagios Core is 1.4%, down from 2.8% compared to the previous year. The mindshare of VictoriaMetrics is 0.6%, up from 0.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
IT Infrastructure Monitoring Mindshare Distribution
ProductMindshare (%)
VictoriaMetrics0.6%
Nagios Core1.4%
Other98.0%
IT Infrastructure Monitoring
 

Featured Reviews

HY
Senior System Administrator at Interactive Group
Monitoring solution provides comprehensive visibility across IT infrastructure
The good thing about Nagios Core is it covers everything. Everything in the IT domain, you can monitor anything. You can even monitor printers, the ports of printers, Core workstations, and storage. You can monitor the workflow Core and the utilization of computes. If you want to grasp everything of your IT equipment on a single interface, you can use Nagios. It's the best one. It provides dashboards, and you can also configure your emails and alerts with it. If something is critical, you can configure it to notify via emails. It has a very handy dashboard, providing live alerts and visibility for everything.
reviewer2911872 - PeerSpot reviewer
DevOps Engineer
Long term metrics monitoring has improved AI workflows and now powers faster incident analysis
The best features VictoriaMetrics offers in my experience include fast query performance and efficient resource usage, seamless compatibility with the Prometheus ecosystem, a simple cluster architecture with minimal components, MetricsQL with useful functions beyond PromQL, and comprehensive tooling like VMAgent and VMAlert. VictoriaMetrics stands out to me because it is highly efficient, stable, and easy to run in air-gapped environments. It integrates well with Prometheus ecosystem tools like Kube-Prometheus-Stack and Grafana. Its compact storage and fast query performance make it ideal for long-term metric storage. The cluster setup is simple and scalable, which is a big advantage for production use.
report
Use our free recommendation engine to learn which IT Infrastructure Monitoring solutions are best for your needs.
921,523 professionals have used our research since 2012.
 

Top Industries

By visitors reading reviews
Comms Service Provider
11%
Manufacturing Company
9%
Financial Services Firm
9%
Outsourcing Company
8%
Outsourcing Company
21%
Comms Service Provider
13%
Financial Services Firm
11%
Manufacturing Company
9%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business20
Midsize Enterprise11
Large Enterprise24
By reviewers
Company SizeCount
Small Business3
Midsize Enterprise2
Large Enterprise2
 

Questions from the Community

What needs improvement with Nagios Core?
The dashboard should be improved. It's very simple. I don't have a very clear or specific suggestion. You can change the skin of the dashboard, however, it's good for me.
What is your primary use case for Nagios Core?
I was a senior system administrator. I've been using Nagios Core for more than ten years now. It can be used to monitor hosts, such as machines, and monitor services of any kind. I'm using ...
What advice do you have for others considering Nagios Core?
I want to see something that is proactive to protect me. On the basis of the data, I would like Nagios to improve. That said, I would rate the overall solution ten points out of ten.
What is your experience regarding pricing and costs for VictoriaMetrics?
Regarding pricing, setup cost, and licensing, we are using open source today.
What needs improvement with VictoriaMetrics?
Regarding performance gains or cost savings, I can add that native multitenancy is only in the cluster version, and on single-node, we had to build tenant isolation ourselves with labels and query ...
What is your primary use case for VictoriaMetrics?
VictoriaMetrics is our time-series store, and we have Helm charts that ship an embedded single-node VictoriaMetrics with 30-day rotation by default. Teams that already run VictoriaMetrics can point...
 

Comparisons

 

Also Known As

No data available
VictoriaMetrics Observability Enterprise Support
 

Interactive Demo

Demo not available
 

Overview

 

Sample Customers

Airbnb, Cisco, PayPal, FanDuel
CERN, Grammarly, Adidas, Spotify R&D, DreamHost, Traefik Labs, DSV, MHI Vestas
Find out what your peers are saying about Nagios Core vs. VictoriaMetrics and other solutions. Updated: November 2026.
921,523 professionals have used our research since 2012.