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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 August 2026, in the Log Management category, the mindshare of Grafana Loki is 2.5%, down from 8.3% compared to the previous year. The mindshare of Nagios Log Server is 0.9%, up from 0.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Log Management Mindshare Distribution
ProductMindshare (%)
Grafana Loki2.5%
Nagios Log Server0.9%
Other96.6%
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

"The log collection feature is good and the solution is easily understandable. v"
"The effectiveness of filters is pivotal for optimizing the search process and extracting the specific information we need from the extensive log data."
"Grafana agent is very lightweight and does not cost significant resources of our cluster."
"The most valuable feature is the capability to set up alerts, which becomes necessary when we need to receive notifications for specific events."
"The most valuable feature of Grafana Loki is the dashboards which are really simple to create."
"The most valuable part of Loki is the ability to filter logs by keywords and devices."
"The best feature of Grafana Loki is that it integrates well with our other tool."
"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."
"A great feature of the solution involves its internal portal."
"The product is scalable."
"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."
"The initial setup of Nagios Log Server was easy and straightforward."
"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."
 

Cons

"I do not see any areas for improvement at the moment."
"The Docker container partition feature needs improvement as they do not reuse the space and goes into a pending state."
"The product must improve its UI."
"We had a well-structured dashboard with a functional query. However, an issue arose when the Kubernetes pod restarted. The statistics from our Grafana query would reset, dropping to zero and starting anew. This was particularly noticeable with linear graphs, which are expected to show consistent growth."
"We encountered certain limitations when it came to alerting, particularly when dealing with specific data sources."
"The solution's scalability depends on the team managing the Grafana instance."
"Improvements could be made in the enablement of the product, addressing the complexity of implementing these tools."
"It would be beneficial if Loki could directly access Windows Server logs or events directly from the servers."
"The configurations during initial setup could be improved."
"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. 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."
"The support could be better. They only offer email support."
"The customization and dashboards have shortcomings and need to be improved to make the tool look more presentable."
 

Pricing and Cost Advice

"You can use the free version of Grafana Loki on-premises."
"The solution is open source."
"The cost is less than other paid services like CloudWatch."
"Grafana Loki is a free, open-source solution."
"Since we are using the open-source version of Grafana Loki, we are not paying anything for the solution."
"I use the open-source version of the product."
"The pricing structure varies based on the number of users; there might be specific taxes to pay for it."
"Grafana Loki is an open-source solution."
"On a scale of one to ten, where one is expensive, and ten is cheap, I rate the pricing an eight or nine."
"We found the pricing to be quite affordable."
"For a single instance, the price is around $4,000."
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Top Industries

By visitors reading reviews
Comms Service Provider
12%
Financial Services Firm
12%
Computer Software Company
11%
Manufacturing Company
8%
Government
13%
Computer Software Company
9%
Financial Services Firm
7%
Manufacturing Company
7%
 

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...
Ask a question
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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: August 2026.
908,877 professionals have used our research since 2012.