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it_user776928 - PeerSpot reviewer
Java Software Developer at a financial services firm with 5,001-10,000 employees
Real User
It has sped up the investigation of incidents

What is our primary use case?

The product does all the things it must do very well. It can be used for investigating logs as well as a dashboard to see the current amount of errors in the environment.

What is most valuable?

  • Logging aggregation and querying. We have multiple applications, therefore it is no longer feasible to check logs from our file system per each application.
  • When adopting microservices architecture, centralized logging is a must have.

How has it helped my organization?

It has sped up the investigation of incidents.

What needs improvement?

The alerting system could be more flexible. It does not allow for definition of different thresholds and alert types of the same streams. It allows different alert types and thresholds for the same stream.

E.g., if we have a single stream of errors, I would like to send each error to the ticketing system: A mail if there are less than 1 errors per second and an SMS if greater than 10 errors received per second.

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Graylog
June 2025
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For how long have I used the solution?

One year.

What do I think about the stability of the solution?

No issues.

What do I think about the scalability of the solution?

No issues.

How are customer service and support?

Not applicable.

Which solution did I use previously and why did I switch?

No.

How was the initial setup?

It was straightforward.

Which other solutions did I evaluate?

Yes, Elastic Stack.

What other advice do I have?

Send all logs to Graylog instead of just your errors. This will make it easier to investigate problems.

Disclosure: My company does not have a business relationship with this vendor other than being a customer.
PeerSpot user
it_user776922 - PeerSpot reviewer
Release Engineering Manager
Real User
Provides the ability to write custom alerts, which are key to information security and compliance
Pros and Cons
  • "The ability to write custom alerts is key to information security and compliance."
  • "I would like to see a default dashboard widget that shows the topology of the clusters defined for the graylog install."

What is our primary use case?

The core of the product is to aggregate log collection.

What is most valuable?

The ability to write custom alerts is key to information security and compliance. Also, I love the improvements I can make on dashboard widgets. 

How has it helped my organization?

Application event messaging, or logging, until I show an organization the result of seeing the application in real time. Then, I can mentor the importance of a good log event message. To have proper context, logging is more than exception logging, it is positive and negative logging. Once you show what can be done with a proper logging message, the entire application can become more robust. The ability to make an extractor out of a non-standard stream of strings, which allows for you to index on a plethora of fields, and you gain some insights that you may have missed. 

Graylog brings life to the application execution.

What needs improvement?

The collectors and using sidecar made my life easier from earlier versions. Unfortunately, I have been pulled away from the product, beyond setting up new inputs, defining the alerts. I am currently trying to leverage the API and Graylog Extended Log Format (GELF), and some of the underlying tech of Elasticsearch as well, for downstream consumers and our AI consumers.

For improvements or features to add, I would like to see a default dashboard widget that shows the topology of the clusters defined for the graylog install.
For instance, I have three Elasticsearch nodes and three MongoDB. I would like to see a visual representation of their status. 

Additionally, maybe it does exist (I have not looked), but I would like to see percent filled of the current index. 

For how long have I used the solution?

I love the product. I have used it at three different employment points in my career. I first used Graylog seven years ago, and have provisioned and configured it into production three times over that period.

I have had two gaps in my use over the seven years, so using the current version has been super.

What do I think about the stability of the solution?

I do have a multinode deployment, with only one Graylog node. As we rely more on Graylog permanently and consume more of its collected data, I will transition to a Graylog HA installation, as and when we come to require it without outage. We are moving more to IoT, and those streams will be mandated to not have any gaps. They will be responders to events that can't have any outages. 

What do I think about the scalability of the solution?

No scaling issues that I have seen with the three nodes of MongoDB and the three nodes of Elasticsearch. I will transition to have HA, load balancers, and buffering/queues as we move forward. I see things have changed in the latest version, or current -1 that I am using right now. I see durability is defined, I just need to reach out and implement it. 

How are customer service and technical support?

I have not had to use technical support. 

Which solution did I use previously and why did I switch?

I have always used Graylog2. Initially, I may have looked at Logstash and Loggly, but once it was off and running, I embraced the Graylog way of things. 

How was the initial setup?

This was the first multi-node installation that I laid out. It seems to be running, and I did not find it overly complicated. I have Apache distributed big data experience, and have used Cloudera within that scope. Having Linux expertise, Apache, Tomcat, REST, and Java experiences may have reduce the complexity. 

What's my experience with pricing, setup cost, and licensing?

I am not fully aware of their licensing model. I should take a look at the details, as I am using a community edition. I have not looked at the enterprise offering from Graylog.

Which other solutions did I evaluate?

I reviewed Logstash and Loggly. 

What other advice do I have?

Start with the defaults. Do not be afraid to start over. Having a test or sandbox to work with to figure out how to create streams, extractors, and inputs is a good way to go. Recommend interacting with MongoDB and Elasticsearch from the command line, if you have the time; nothing deep. Knowing the underlying CLI's may help you if you need to understand how or why something may not line up correctly.

I would consider myself Graylog2's number one fan or at least a big advocate of the utility of this product. Step one in any application inception should begin with application messaging, and couple that with Graylog2, and you will cover many bases of insight and compliance right out of the gate. 

Disclosure: My company does not have a business relationship with this vendor other than being a customer.
PeerSpot user
Buyer's Guide
Graylog
June 2025
Learn what your peers think about Graylog. Get advice and tips from experienced pros sharing their opinions. Updated: June 2025.
857,028 professionals have used our research since 2012.
it_user774168 - PeerSpot reviewer
Systémový inženýr DS senior
Real User
We use this system as a central log collector with the possibility to search through the archive backward for specific string definitions
Pros and Cons
  • "Message forwarding through the in-built module."
  • "The biggest problem is the collector application, as we wanted to avoid using Graylog Collector Sidecar due to its architecture."

What is most valuable?

We are using only a few parts of its functionality. Its most valuable functions for us are:

  • Log collection
  • Quick string search in central storage
  • Message forwarding through the in-built module
  • Message filters. 

We need all these function to fulfill law requirements for cyber security.

How has it helped my organization?

We use this system as a central log collector with the possibility to search through the archive backward for specific string definitions.

What needs improvement?

The biggest problem is the collector application, as we wanted to avoid using Graylog Collector Sidecar due to its architecture. It requires connection outside our network during build from source, so we decided instead to use the obsolete Graylog Collector, which is working fine and in an easy way. It would be great, if that component would get back into the development process. But it is nothing that I could even complain about, as our company is not paying for support.

For how long have I used the solution?

Solution was build on the 10th of January 2017, so for nearly a year.

What do I think about the stability of the solution?

The only issue we had was during the Java patch. Graylog's search DB was not able to start up after the upgrade to Java 9, so we returned back to v.8. With that only exception, we have any issues with application or its components.

What do I think about the scalability of the solution?

We never attempted to scale the environment, as its sizing is defined in the planning phase and it fitted us later perfectly.

How are customer service and technical support?

We never contacted technical support, so I cannot answer this.

Which solution did I use previously and why did I switch?

There were no solution before Graylog. It was built as new project.

How was the initial setup?

We did not had any experience with Graylog or its components before this project. We had luck in planning phase, the environment was sized properly to its purpose. 

As Graylog also needs other applications/DB's to run, implementation of each component was a separate challenge, as we are not using the default configuration.

What's my experience with pricing, setup cost, and licensing?

I cannot answer this question. Having paid official support is wise for projects.

Which other solutions did I evaluate?

Yes, we were thinking about the Logstash family, but due to similar issues with the building codes as in the Graylog Collector Sidecar case, we decided for Graylog.

What other advice do I have?

Do not give up. Look forward and good luck. The worst phase was the planning one, so I would offer this advice: Don't underestimate anything. 

Graylog is worth the given effort.

Disclosure: My company does not have a business relationship with this vendor other than being a customer.
PeerSpot user
Nick C - PeerSpot reviewer
Nick CTechnical Product Evangelist at a tech company with 11-50 employees
Vendor

FROM GRAYLOG: Thank you for your review of Graylog, I encourage everyone to try out Graylog 3.0+ as we have added in a new Sidecar implementation, which would simplify the issues you were having. Creating templates for enterprise deployment, and the ability to manage any collector make Graylog easier to use.

reviewer1751748 - PeerSpot reviewer
Systems Architect at a tech services company with 51-200 employees
Real User
Has good dashboards and alerts, but more customization is always useful
Pros and Cons
  • "We're using the Community edition, but I know that it has really good dashboarding and alerts."
  • "More customization is always useful."

What is our primary use case?

We use it for central log management and log aggregation. We use it for non-security events.

What is most valuable?

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

What needs improvement?

More customization is always useful.

For how long have I used the solution?

It has been about three years. I'm currently not using the tool myself, but my team is using it.

What do I think about the stability of the solution?

It is stable.

What do I think about the scalability of the solution?

It is scalable.

How are customer service and support?

We're not using the Enterprise license. We're using the Community edition, and support is not offered with it.

How was the initial setup?

It was easy to set up. 

What about the implementation team?

We did it ourselves.

What's my experience with pricing, setup cost, and licensing?

We're using the Community edition.

Which other solutions did I evaluate?

This decision was already made before I got to the organization.

What other advice do I have?

I would recommend this solution to others. It is for small and medium organizations.

I would rate it a seven out of 10.

Which deployment model are you using for this solution?

On-premises
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
PeerSpot user
reviewer1530855 - PeerSpot reviewer
Network Engineer at a media company with 10,001+ employees
Real User
Good correlation and alerting capabilities, helpful community support, and easy to install
Pros and Cons
  • "I like the correlation and the alerting."
  • "I would like to see some kind of visualization included in Graylog."

What is most valuable?

I like the correlation and the alerting. If I have multiple monitoring systems and I alert Graylog, Graylog will collect them and analyze them, and issue one alert.

We are only approximately four months into production and have not explored all of the features this solution offers. So far, it has everything we wanted.

What needs improvement?

I would like to see some kind of visualization included in Graylog. The report is plain, they could be improved.

For how long have I used the solution?

I have been using Graylog for approximately five months.

We are using the latest version.

How are customer service and technical support?

Graylog community is very good.

Which solution did I use previously and why did I switch?

We are also using Zenoss.

How was the initial setup?

The initial setup is straightforward.

What's my experience with pricing, setup cost, and licensing?

It's an open-source solution that can be used free of charge.

What other advice do I have?

I would definitely recommend Graylog to others who are interested in using it.

At this point with the features that I have used, I would rate Graylog a ten out of ten.

Disclosure: My company does not have a business relationship with this vendor other than being a customer.
PeerSpot user
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Updated: June 2025
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