Graylog vs Mezmo comparison

Graylog and Mezmo are both solutions in the Log Management category. Graylog is ranked #15 with an average rating of 7.0, while Mezmo is ranked #55. Graylog holds a 6.7% mindshare in Log Management, compared to Mezmo’s 0.2% mindshare. Additionally, 95% of Graylog users are willing to recommend the solution, compared to 100% of Mezmo users who would recommend it.

Graylog

Read 21 Graylog reviews

9,399 Views
5,553 Comparison Views

95% willing to recommend

Mezmo

Read 2 Mezmo reviews

422 Views
90 Comparison Views

100% willing to recommend

Graylog

Mezmo

Comparison Buyer's Guide

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Executive SummaryUpdated on Apr 27, 2025

Graylog and Mezmo are competing products in the log management and SIEM landscape. Graylog seems to have the upper hand in pricing and support, whereas Mezmo offers more comprehensive features for deeper insights.

Features: Graylog offers powerful search, real-time alerting, and customizable log processing. Mezmo provides advanced analytics, data visualization options, and interaction with large data sets.

Ease of Deployment and Customer Service: Graylog offers flexible deployment with on-premises and cloud options, supported by an active open-source community. Mezmo streamlines deployment with its cloud-first model and robust customer service infrastructure.

Pricing and ROI: Graylog is known for cost-effectiveness and favorable ROI, especially for businesses familiar with open-source systems. Mezmo, with potentially higher costs due to its features, often justifies the investment through enhanced operational efficiency and decision-making.

To learn more, read our detailed Graylog vs. Mezmo Report (Updated: June 2025).

Buyer's Guide

Graylog vs. Mezmo

June 2025

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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

Graylog

Ranking in Log Management

15th

Average Rating

8.0

Reviews Sentiment

7.2

Number of Reviews

Ranking in other categories

No ranking in other categories

Mezmo

Ranking in Log Management

55th

Average Rating

9.0

Number of Reviews

Ranking in other categories

Application Performance Monitoring (APM) and Observability (92nd), Observability Pipeline Software (7th)

Mindshare comparison

As of June 2025, in the Log Management category, the mindshare of Graylog is 6.7%, up from 5.9% compared to the previous year. The mindshare of Mezmo is 0.2%, up from 0.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.

Log Management

Featured Reviews

Ivan Kokalovic

DevOps Engineer at Proton Technologies

Facilitates backend service monitoring with efficient log retrieval and API flexibility

Graylog is valuable because it bridges technical knowledge to non-technical teams, presenting complex backend processes in a simple timeline. It boosts the knowledge of sales and customer support teams by allowing them to see the backend operations without needing to read the code. Its API is flexible for visualization, and its powerful search engine efficiently handles large volumes of log data. Moreover, its stability, fast search capabilities, and compatibility with languages like ANSI SQL enhance its utility in IT infrastructure.

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Theodore Omtzigt

President and Founder at STILLWATER SUPERCOMPUTING INC

It consolidates all logs into one place and provides required features and functionalities

Every once in a while, our IBM cloud operational implementation gets behind. Sometimes, when we have a customer event, we do not get access to the latest logs for about 30 minutes, particularly for the sites that are heavily utilized. This is clearly not good. It is impossible to do RCA when you can't look at the logs that pertain to the time period in which the event occurred. It could be more of an operational problem than a feature problem. I don't have visibility about whether it is a LogDNA issue or just an operational issue.

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Quotes from Members

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

Pros

"The Graylog features that have proven to be most beneficial for our data analysis in particular are that we tend to use it as a big data store, so we have the correlation rules that, if something matches under certain conditions, it raises an alarm."

"We're using the Community edition, but I know that it has really good dashboarding and alerts."

"Graylog is very handy."

"Everything stands out as valuable, including the fact that I can quantify and qualify the logs, create pipelines and process the logs in any way I like, and create charts or data maps."

"Graylog's search functionality, alerting functionality, user management, and dashboards are useful."

"We run a containerized microservices environment. Being able to set up streams and search for errors and anomalies across hundreds of containers is why a log aggregation platform like Graylog is valuable to us."

"It is used as a log manager/SIEM. It provides visibility into the infrastructure and security related events."

"UDP is a fast and lightweight protocol, perfect for sending large volumes of logs with minimal overhead."

More Graylog pros

"The solution aggregates all event streams, so that if there are any issues, it's all in the same interface."

"LogDNA consolidates all logs into one place, which is super valuable."

Cons

"When it comes to configuring the processing pipeline, writing the rules can be very tedious, especially since the documentation isn't extensive on how the functions provided for these rules work."

"With technical support, you are on your own without an enterprise license."

"The biggest problem is the collector application, as we wanted to avoid using Graylog Collector Sidecar due to its architecture."

"I would like to see a date and time in the Graylog Grok patterns so that I can save time when searching for a log. I like how the streams and the search query work, but adding a date and time will allow me to pull out a log in a milli-second."

"There should be some user groups and an auto sign-in feature."

"I would like to see a default dashboard widget that shows the topology of the clusters defined for the graylog install."

"The area in Graylog that needs to be improved or enhanced would be the integrations."

"Graylog can improve the index rotation as it's quite a complex solution."

More Graylog cons

"Every once in a while, our IBM cloud operational implementation gets behind. Sometimes, when we have a customer event, we do not get access to the latest logs for about 30 minutes, particularly for the sites that are heavily utilized. This is clearly not good. It is impossible to RCA when you can't look at the logs that pertain to the time period in which the event occurred. It could be more of an operational problem than a feature problem. I don't have visibility about whether it is a LogDNA issue or just an operational issue."

"No ability to encapsulate a query or a filter, and communicate or share that among the team."

Pricing and Cost Advice

"We're using the Community edition."

"Graylog is a free open-source solution. The free version has a capacity limitation of 2 GB daily, if you want to go above this you have to purchase a license."

"You get a lot out-of-the-box with the non-enterprise version, so give it a try first."

"We are using the free version of the product. However, the paid version is expensive."

"There is an open source version and an enterprise version. I wouldn't recommend the enterprise version, but as an open source solution, it is solid and works really well."

"I use the free version of Graylog."

"It's open source and free. They have a paid version, but we never looked into that because we never needed the features of the paid version."

"Consider Enterprise support if you have atypical needs or setup requirements."

More Graylog pricing and cost advice

Information not available

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Top Industries

By visitors reading reviews

Computer Software Company

17%

Comms Service Provider

10%

Educational Organization

Government

No data available

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

No data available

Questions from the Community

What do you like most about Graylog?

The product is scalable. The solution is stable.

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What is your experience regarding pricing and costs for Graylog?

I am not familiar with the pricing details of Graylog, as I was not responsible for that aspect. It was determined that we didn't need an enterprise plan, which is more suited for clients with less...

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What needs improvement with Graylog?

An improvement I would suggest is in Graylog's user interface, such as allowing for font size adjustments. A potential enhancement could be the integration with Ollama to run large language models ...

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Compared 5% of the time

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Compared 3% of the time

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Also Known As

Graylog2

LogDNA

Overview

Graylog is purpose-built to deliver the best log collection, storage, enrichment, and analysis. Graylog is:

Considerably faster analysis speeds.
More robust and easier-to-use analysis platform.
Simpler administration and infrastructure management.
Lower cost than alternatives.
Full-scale customer service.
No expensive training or tool experts required.

Graylog

Today’s enterprises must manage a massive amount of machine data. They require a platform that enables engineering teams to deliberately route and store structured and unstructured data for different teams with unique use cases. Legacy platforms weren’t made for this moment.
‍
Mezmo, formerly LogDNA, lets organizations ingest, process, route, analyze, and store all of their log data. Purpose-built for modern engineering teams—including developers, SREs, IT Operations, and Security Engineers—the Mezmo platform is trusted by thousands of companies for SaaS, cloud, and hybrid applications.

Mezmo

Sample Customers

Blue Cross Blue Shield, eBay, Cisco, LinkedIn, SAP, King.com, Twilio, Deutsche Presse-Agentur

Instacart, Asics, Lime, Salesforce

Buyer's Guide

Graylog vs. Mezmo

June 2025

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