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Grafana Loki vs Nagios Log Server comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Nov 7, 2024

Review summaries and opinions

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

Categories and Ranking

Grafana Loki
Ranking in Log Management
7th
Average Rating
8.2
Reviews Sentiment
6.3
Number of Reviews
19
Ranking in other categories
No ranking in other categories
Nagios Log Server
Ranking in Log Management
47th
Average Rating
8.0
Reviews Sentiment
6.9
Number of Reviews
4
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of May 2026, in the Log Management category, the mindshare of Grafana Loki is 3.5%, down from 8.7% compared to the previous year. The mindshare of Nagios Log Server is 1.0%, up from 0.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Log Management Mindshare Distribution
ProductMindshare (%)
Grafana Loki3.5%
Nagios Log Server1.0%
Other95.5%
Log Management
 

Featured Reviews

reviewer2350791 - PeerSpot reviewer
Regional Associate & Engineer at a outsourcing company with 1,001-5,000 employees
Offers cost-effective log management with strong correlation features across observability tools
Grafana Loki's open-source capability is a significant benefit. Grafana has invested in making their enterprise tools competitive with other APM tools, facilitating cross-correlation with Mimir and Tempo for metrics and tracing. The tool offers good search functionality, and its on-premises capability is advantageous. The indexing performance is strong, making it a robust log management tool. Grafana Loki is notably cost-effective.
Syarul Idzuddin Adzmi - PeerSpot reviewer
Operation Director at Digital Pulse Sdn Bhd
A scalable and affordable tool for monitoring data centers
Five engineers are needed for the maintenance of the product. I would definitely recommend the solution to those planning to use it. To increase the rating for the product, Nagios should offer remote support and offer more customization in reporting while making it easy for the customers to use it. Overall, I rate the solution an eight out of ten.

Quotes from Members

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

Pros

"Loki also utilizes the same service discovery mechanism as used by Prometheus. So, whatever labeled metadata you see in Prometheus, you have the exact same metadata in the Loki system. Given this level of intricacy and the attempt to address these challenges, I firmly believe that Loki deserves praise for the work."
"Loki significantly saves time in troubleshooting by quickly pinpointing network issues."
"The tool can be used in multi-cluster environments."
"The most valuable part of Loki is the ability to filter logs by keywords and devices."
"There are new features like that pilot code and things like that for profiling."
"The solution's stability has never been a problem. Stability-wise, I rate the solution a nine to ten out of ten."
"Grafana Loki is easy to monitor and detect errors."
"Grafana agent is very lightweight and does not cost significant resources of our cluster."
"The initial setup of Nagios Log Server was easy and straightforward."
"A great feature of the solution involves its internal portal."
"A great feature of the solution involves its internal portal."
"The product is scalable."
"My company is a featured partner of Nagios XI, so I'm implementing Nagios XI in different companies and supporting the product, and I'd recommend the solution because it offers a lot of benefits and has a good dashboard, it's pretty easy to get up and running, and the pricing is good."
"One of the most valuable features is the dashboard because the UI was effective and easy to use. The alert systems are good as well. We had no failovers and had high availability. We can search the queries fast as well in Nagios Log Server."
"One of the most valuable features is the dashboard because the UI was effective and easy to use."
 

Cons

"The solution's scalability depends on the team managing the Grafana instance."
"The solution has shortcomings regarding security monitoring-oriented features that need improvement."
"Improvements could be made in the enablement of the product, addressing the complexity of implementing these tools."
"Improvements could be made in the enablement of the product, addressing the complexity of implementing these tools."
"Visualization-wise, Grafana Loki's dashboard looks a little outdated compared to other open-source visualization tools like Chronograf."
"We encountered certain limitations when it came to alerting, particularly when dealing with specific data sources."
"There is a need for some change in the alerting types of the product. In short, a few changes in the alert area are needed due to minor shortcomings."
"Enhancing speed could be a game-changer, and while it might vary depending on the application, it's a factor worth exploring."
"As we are talking about a product which is open to the public, the pricing makes it challenging for us to profit off of its marketing."
"The configurations during initial setup could be improved."
"The support could be better. They only offer email support."
"The configurations during initial setup could be improved. If they could be agentless, as in the case of the Ansible product, it would be better. I would like to be able to analyze the network bandwidth."
"As we are talking about a product which is open to the public, the pricing makes it challenging for us to profit off of its marketing."
"The support could be better."
"The customization and dashboards have shortcomings and need to be improved to make the tool look more presentable."
 

Pricing and Cost Advice

"We use a free version."
"I find the licensing structure quite reasonable, as the free license effectively meets my requirements."
"The solution is open source."
"Grafana Loki is a free, open-source solution."
"The pricing structure varies based on the number of users; there might be specific taxes to pay for it."
"I use the open-source version of the product."
"Since we are using the open-source version of Grafana Loki, we are not paying anything for the solution."
"I use the solution's open-source version. Grafana Loki is a completely free solution for me."
"For a single instance, the price is around $4,000."
"We found the pricing to be quite affordable."
"On a scale of one to ten, where one is expensive, and ten is cheap, I rate the pricing an eight or nine."
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Top Industries

By visitors reading reviews
Computer Software Company
12%
Financial Services Firm
12%
Comms Service Provider
11%
Manufacturing Company
8%
Government
13%
Computer Software Company
10%
Financial Services Firm
8%
Manufacturing Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business7
Midsize Enterprise8
Large Enterprise4
No data available
 

Questions from the Community

What is your experience regarding pricing and costs for Grafana Loki?
Since it is an open source tool, there are no charges or fees.
What needs improvement with Grafana Loki?
Improvements could be made in the enablement of the product, addressing the complexity of implementing these tools.
What advice do you have for others considering Grafana Loki?
A lot of our customers are service providers, internet service providers, government, defense contractors, and some enterprise software and finance organizations, so it spans across the board. Cost...
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Overview

 

Sample Customers

Information Not Available
IBM, impulse, wipro, comteco
Find out what your peers are saying about Grafana Loki vs. Nagios Log Server and other solutions. Updated: April 2026.
893,438 professionals have used our research since 2012.