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Grafana Loki vs syslog-ng comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Oct 9, 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
4th
Average Rating
8.2
Reviews Sentiment
6.3
Number of Reviews
19
Ranking in other categories
No ranking in other categories
syslog-ng
Ranking in Log Management
17th
Average Rating
9.0
Reviews Sentiment
3.2
Number of Reviews
7
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of January 2026, in the Log Management category, the mindshare of Grafana Loki is 6.3%, down from 7.7% compared to the previous year. The mindshare of syslog-ng is 2.0%, down from 2.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Log Management Market Share Distribution
ProductMarket Share (%)
Grafana Loki6.3%
syslog-ng2.0%
Other91.7%
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.
OC
IT Infrastructure & Cloud Security Manager at Thux
Has ensured compliance by centralizing log data and supporting secure connections
We currently do not use that feature. We currently have just an open-source release, not a premium release. My boss has indicated that he wants to buy a premium syslog-ng version next month. I think we can use other features of this tool in the future. In syslog-ng, I think a GUI would be beneficial. I am unsure if the premium module has a GUI to administer it.

Quotes from Members

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

Pros

"Grafana Loki's open-source capability is a significant benefit, and 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 log collection feature is good and the solution is easily understandable. v"
"The most valuable part of Loki is the ability to filter logs by keywords and devices."
"Loki significantly saves time in troubleshooting by quickly pinpointing network issues."
"The most valuable feature is the capability to set up alerts, which becomes necessary when we need to receive notifications for specific events."
"We are using Grafana Loki as a database for real-time metrics."
"I appreciate the capability to process logs from microservices and seamlessly integrate them into Grafana."
"The product's most valuable features are ease of installation, management, and reporting. It has an efficient ability to set thresholds for alerts, as well."
"Syslog-ng has a separate config file in addition to the core configuration."
"What I appreciate most about syslog-ng is its configuration; its C-style config is much easier to understand, read, and write than other popular solutions such as syslog or rsyslog."
"The ability to extract and store the logs is the most valuable feature of syslog-ng."
"For us, the most valuable feature is the use of compound search for searching logs at a specific time, by a specific user, or specific behavior."
"Syslog-ng provides easy access to all my logs. It helps me show managers and other clients precisely where an incident occurred. I also like it because you can integrate syslog-ng with multiple solutions to allow real-time monitoring."
"Syslog-ng has built-in features that we can use to create alerts for a SIEM solution. It isn't a true SIEM solution, but it's sufficient for the time being."
"We chose syslog-ng because it is easy to install, easy to maintain, easy to update, and due to the fact that all data arrive in raw format, we can manipulate it as we want."
 

Cons

"Enhancing speed could be a game-changer, and while it might vary depending on the application, it's a factor worth exploring."
"It would be beneficial if Loki could directly access Windows Server logs or events directly from the servers."
"My main concern is the recommended production-grade setup. They suggest using tools like Tanka or Jsonnet. They should simplify the process to increase adoption."
"I would rate Grafana Loki a seven out of ten because it is open source, and sometimes there can be problems that are difficult to fix without official support."
"Improvements could be made in the enablement of the product, addressing the complexity of implementing these tools."
"The platform's stability needs improvement."
"In Grafana Loki, the creation of metrics is not so easy, making it an area that could be made easier."
"Visualization-wise, Grafana Loki's dashboard looks a little outdated compared to other open-source visualization tools like Chronograf."
"The filtering has room for improvement."
"It's hard to find people who know how to use syslog-ng. I often find problems with configurations, and solutions aren't integrated correctly with syslog-ng. For example, there might be data with extra decimals, or the collector agents are incorrectly named. It isn't a problem with the solution; it's a lack of professionals."
"There is room for improvement in terms of observability."
"There is always the potential for additional integration and protocol extensions."
"Syslog-ng has built-in features that we can use to create alerts for a SIEM solution. It isn't a true SIEM solution, but it's sufficient for the time being."
"In syslog-ng, I think a GUI would be beneficial. I am unsure if the premium module has a GUI to administer it."
 

Pricing and Cost Advice

"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."
"The solution is open source."
"I use the solution's open-source version. Grafana Loki is a completely free solution for me."
"Grafana Loki is an open-source solution."
"Grafana Loki is a free, open-source solution."
"I find the licensing structure quite reasonable, as the free license effectively meets my requirements."
"My company doesn't need to pay for the licensing cost of the solution."
"Syslog-ng is open-source."
"Syslog-ng is a free open-source solution."
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Top Industries

By visitors reading reviews
Computer Software Company
16%
Financial Services Firm
10%
Comms Service Provider
10%
Manufacturing Company
8%
Government
12%
Computer Software Company
11%
Manufacturing Company
9%
Financial Services Firm
9%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business7
Midsize Enterprise8
Large Enterprise4
By reviewers
Company SizeCount
Small Business3
Midsize Enterprise2
Large Enterprise3
 

Questions from the Community

What do you like most about Grafana Loki?
We are using Grafana Loki as a database for real-time metrics.
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 needs improvement with syslog-ng?
We currently do not use that feature. We currently have just an open-source release, not a premium release. My boss has indicated that he wants to buy a premium syslog-ng version next month. I thin...
What is your primary use case for syslog-ng?
In Italy, we have to be compliant with the Garante for privacy. We have to log every login, logout, or login failure made by a system administrator. We store all syslog data of the infrastructure. ...
What advice do you have for others considering syslog-ng?
When it comes to parsing, I can parse both structured and unstructured data, though our data are only structured. Currently, we collect all data we receive as raw data. Each file is stored for each...
 

Comparisons

 

Overview

 

Sample Customers

Information Not Available
Tecnocom, University of Victoria, University of Exeter, Datapath
Find out what your peers are saying about Grafana Loki vs. syslog-ng and other solutions. Updated: December 2025.
880,255 professionals have used our research since 2012.