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Grafana Loki pros and cons

Vendor: Grafana Labs
4.1 out of 5

Pros & Cons summary

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Prominent pros & cons

PROS

Grafana Loki dashboards are simple to create, enhancing user experience.
Its open-source nature provides stability and flexibility.
The tool integrates seamlessly with Grafana and shares metadata with Prometheus.
Efficient filtering options optimize the search process for extensive log data.
Grafana Loki's ability to filter logs by keywords is highly valuable for users.

CONS

Correlation of requests in Grafana Loki is not simple and can be improved.
The security monitoring-oriented features in Grafana Loki have shortcomings that need improvement.
The recommended production-grade setup complexity in Grafana Loki, such as using Tanka or Jsonnet, should be simplified to increase adoption.
Alerting limitations exist when dealing with specific data sources in Grafana Loki, requiring changes in alert types due to minor shortcomings.
Grafana Loki's scalability depends on the team managing the Grafana instance.
 

Grafana Loki Pros review quotes

Arjun Pandey - PeerSpot reviewer
Oct 25, 2023
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.
Paweł Cisło - PeerSpot reviewer
Oct 30, 2023
I appreciate the capability to process logs from microservices and seamlessly integrate them into Grafana.
KR
Aug 20, 2024
There are new features like that pilot code and things like that for profiling.
Learn what your peers think about Grafana Loki. Get advice and tips from experienced pros sharing their opinions. Updated: June 2025.
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Renu Saini - PeerSpot reviewer
Mar 11, 2024
We are using Grafana Loki as a database for real-time metrics.
Muneeb Shoukat - PeerSpot reviewer
Jan 24, 2024
The most valuable feature of the solution is the tool's GUI. The solution's GUI is very user-friendly.
JN
Aug 3, 2023
The most valuable feature of Grafana Loki is the dashboards which are really simple to create.
Volodymyr Bondarchuk - PeerSpot reviewer
Jun 5, 2025
Different types of integrations with various sources are the most helpful and useful features of Grafana Loki that I found for myself.
FC
Nov 17, 2023
The solution's stability has never been a problem. Stability-wise, I rate the solution a nine to ten out of ten.
CarlosPimentel - PeerSpot reviewer
Nov 13, 2024
The most valuable part of Loki is the ability to filter logs by keywords and devices.
Sima Alexandru - PeerSpot reviewer
Nov 8, 2023
The effectiveness of filters is pivotal for optimizing the search process and extracting the specific information we need from the extensive log data.
 

Grafana Loki Cons review quotes

Arjun Pandey - PeerSpot reviewer
Oct 25, 2023
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.
Paweł Cisło - PeerSpot reviewer
Oct 30, 2023
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.
KR
Aug 20, 2024
It's not intended for proprietary services, so you have to struggle with configuration a lot.
Learn what your peers think about Grafana Loki. Get advice and tips from experienced pros sharing their opinions. Updated: June 2025.
856,873 professionals have used our research since 2012.
Renu Saini - PeerSpot reviewer
Mar 11, 2024
Visualization-wise, Grafana Loki's dashboard looks a little outdated compared to other open-source visualization tools like Chronograf.
Muneeb Shoukat - PeerSpot reviewer
Jan 24, 2024
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.
JN
Aug 3, 2023
The correlation of requests is not simple in Grafana Loki and can be improved.
Volodymyr Bondarchuk - PeerSpot reviewer
Jun 5, 2025
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.
FC
Nov 17, 2023
In Grafana Loki, the creation of metrics is not so easy, making it an area that could be made easier.
CarlosPimentel - PeerSpot reviewer
Nov 13, 2024
It would be beneficial if Loki could directly access Windows Server logs or events directly from the servers.
Sima Alexandru - PeerSpot reviewer
Nov 8, 2023
Enhancing speed could be a game-changer, and while it might vary depending on the application, it's a factor worth exploring.