Elasticsearch helps us to store the data in key value pairs and, based on that, we can produce visualisations in Kibana. It helps us to analyse the logs based on the location, user, and other log parameters.
Programmer at a tech services company
Allows us to store data in key value pairs and produce visualisations in Kibana, but lack of email notification is problematic
Pros and Cons
- "Helps us to store the data in key value pairs and, based on that, we can produce visualisations in Kibana."
- "It helps us to analyse the logs based on the location, user, and other log parameters."
- "It needs email notification, similar to what Logentries has. Because of the notification issue, we moved to Logentries, as it provides a simple way to receive notification whenever a server encounters an error or unexpected conditions (which we have defined using RegEx)."
What is most valuable?
What needs improvement?
It needs email notification, similar to what Logentries has. Because of the notification issue, we moved to Logentries, as it provides a simple way to receive notification whenever a server encounters an error or unexpected conditions (which we have defined using RegEx).
For how long have I used the solution?
One to three years.
What do I think about the stability of the solution?
No stability issues.
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What do I think about the scalability of the solution?
Not really any scalability issues, but we have set up a cron job to delete old logs so that we don’t hit the disk space issues. It would be helpful if such a feature were added to the UI, where old logs could be deleted automatically. (Don’t know if this feature is already there).
How are customer service and support?
ELK documentation is very good, so we have never needed to contact technical support.
Which solution did I use previously and why did I switch?
We used Logentries. Because of open source we moved to ELK, considering it as part of a cost-cutting strategy and evaluation. But due to the lack of a notification feature, we again moved to Logentries.
How was the initial setup?
Slightly complex, especially when you are configuring a machine which is on a separate IP, rather than on a single machine. In my case, Elasticsearch, Kibana and Logstash were on different machines. Along with that, we added a proxy server (nginx) ahead of the Kibana server. We used the proxy server for user authentication so that only known users would be able to access the Kibana dashboard. ELK's free version doesn't have user authentication, and this forced us to go with this alternative. We have four machines in total.
When we were using the Amazon Elasticsearch Service we had one cluster of Elasticsearch which, by default, gave us the Kibana dashboard. We just added a proxy server for user authentication.
Which other solutions did I evaluate?
Graylog, Fluentd.
What other advice do I have?
I give it a seven out of 10. They don't provide user authentication and authorisation (shield) as a part of their open source version.
Nice to implement, they have nicely written documentation.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
EChannel IT Architect at a tech vendor with 1,001-5,000 employees
It is easy to scale with the cluster node model
Pros and Cons
- "It is easy to scale with the cluster node model."
- "Implementing the main requirements regarding my support portal."
- "Machine learning on search needs improvement."
How has it helped my organization?
- Fast search
- Relevant results returned
- Autocomplete/fuzzy search
What is most valuable?
- Search
- To implement the main requirements regarding my support portal.
What needs improvement?
Machine learning on search.
For how long have I used the solution?
One to three years.
What do I think about the stability of the solution?
No issues. It is very stable.
What do I think about the scalability of the solution?
No issues. It is easy to scale with the cluster node model.
How are customer service and technical support?
I would rate technical support with a nine out of 10. Support is very reactive and proactive.
Which solution did I use previously and why did I switch?
We did have a previous solution. It was a monster to install and configure.
How was the initial setup?
The initial setup was straightforward.
What's my experience with pricing, setup cost, and licensing?
The pricing and license model are clear: node-based model.
Which other solutions did I evaluate?
We evaluated Solr.
What other advice do I have?
The search product is a product exposing API. Therefore, be comfortable in developing your own front-end to integrate the Search API.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Buyer's Guide
Elastic Search
June 2025

Learn what your peers think about Elastic Search. Get advice and tips from experienced pros sharing their opinions. Updated: June 2025.
860,592 professionals have used our research since 2012.
Technology Delivery Lead - Enterprise Monitoring at a financial services firm with 10,001+ employees
Data collected will be used for near real-time monitoring, analytics, and machine learning
Pros and Cons
- "X-Pack provides good features, like authorization and alerts."
What is our primary use case?
We use ELK primarily for enterprise monitoring and analytics through log ingestion. The data collected in Elasticsearch will be used for near real-time monitoring, analytics, and machine learning.
How has it helped my organization?
All new applications have been onboarded and used by the application teams. The initial feedback has been positive, and its capabilities seem to be a descent fit for our needs.
What is most valuable?
ELK being an open source certainly provided a platform for our organization to get involved.
X-Pack provides good features, like authorization and alerts. An X-Pack license is more affordable than Splunk.
What needs improvement?
Logstash has been a challenge and needs improvements in data ingestion reconciliation. The Kibana Cross Cluster feature is long awaited and I hope 6.0 will address it without issues.
For how long have I used the solution?
Less than one year.
What's my experience with pricing, setup cost, and licensing?
ELK has been considered as an alternative to Splunk to reduce licensing costs.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
System Engineer at a tech services company with 10,001+ employees
Furnishes good end to end log monitoring, Logstash grok pattern capabilities
What is most valuable?
ELK provides
- good end to end log monitoring
- Logstash grok pattern
- elasticserach indexing
- easily configurable Kibana dashboards
- feature rich and appealing Kibana UI, as its USP.
How has it helped my organization?
The product offers a powerful, cost effective solution for proprietary log management and is easy to understand and start with. This saves cost as well as enhances usability.
What needs improvement?
The open source version should ship basic security versions with it. Alerting is an important feature which is not available in the open source stack.
For how long have I used the solution?
About two years.
What do I think about the stability of the solution?
Stability issues can be seen with Logstash and can be addressed using Kafka. Also, data collections may not be 100% optimal using Filebeat and could be further improved.
What do I think about the scalability of the solution?
The product is highly scalable, especially on the database side (elasticserach).
How are customer service and technical support?
Have worked on the open source version and, hence, I don't have much information about tech support.
Which solution did I use previously and why did I switch?
I have not worked with another solution.
How was the initial setup?
The setup is straightforward for PoC, but becomes complex while scaling it or deploying it for production.
Which other solutions did I evaluate?
Yes, I evaluated GrayLog and Fluentd, but ELK was more feature rich.
What other advice do I have?
The ELK open source stack is rich in features but lacks the essential security features.
ELK is one of the best open source alternatives for log management. If alerting and security features can be built by the team internally, on top of the stack, then the product is for sure going to add a lot of value to business.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Associate - Projects at a computer software company with 10,001+ employees
Secure, good dashboards, and open source
Pros and Cons
- "The solution has good security features. I have been happy with the dashboards and interface."
- "There are some features lacking in ELK Elasticsearch."
What is our primary use case?
We are using ELK Elasticsearch in a database. We use both Logstash and Kibana. Kibana is used for monitoring where the data is coming from.
What is most valuable?
The solution has good security features. I have been happy with the dashboards and interface.
What needs improvement?
There are some features lacking in ELK Elasticsearch.
For how long have I used the solution?
I have been using ELK Elasticsearch for approximately two years.
What do I think about the stability of the solution?
We had some stability issues where we could not access the application.
What do I think about the scalability of the solution?
We have approximately five people in my organization using ELK Elasticsearch.
How was the initial setup?
All the installations were directly set up on the local servers.
What's my experience with pricing, setup cost, and licensing?
The solution is free.
What other advice do I have?
Elasticsearch is open source.
I rate ELK Elasticsearch an eight out of ten.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Associate Software Engineer at a tech services company with 51-200 employees
Cost-effective, stable, and works well with Logstash
Pros and Cons
- "The initial installation and setup were straightforward."
- "Technical support should be faster."
What is our primary use case?
My organization works in the healthcare industry and we use this product as our database.
When we have questions about our data then we use Elasticsearch to make queries.
What is most valuable?
The most valuable feature is that I can push data to Elasticsearch using Logstash.
What needs improvement?
Technical support should be faster.
For how long have I used the solution?
I have been using Elasticsearch for about one year.
What do I think about the stability of the solution?
This is a stable product.
What do I think about the scalability of the solution?
Elasticsearch is scalable, although we only have about five users and they are not constant. We do plan to increase our usage in the future.
How was the initial setup?
The initial installation and setup were straightforward. It will take a few minutes to deploy.
What about the implementation team?
Our in-house team was responsible for the deployment.
What's my experience with pricing, setup cost, and licensing?
This product is open-source and can be used free of charge.
What other advice do I have?
I also use Kibana, which is integrated with Elasticsearch. Kibana is for visualization and we can also customize Elasticsearch using Kibana.
In summary, Elasticsearch is a very useful product that I can quickly recommend.
I would rate this solution an eight out of ten.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Co-Founder at a tech vendor with 51-200 employees
An open-source solution for log management but improvement is needed in Kibana dashboard and authentication
Pros and Cons
- "The products comes with REST APIs."
- "Elastic Search needs to improve authentication. It also needs to work on the Kibana visualization dashboard."
What is our primary use case?
We use the product for log management.
What is most valuable?
The products comes with REST APIs.
What needs improvement?
Elastic Search needs to improve authentication. It also needs to work on the Kibana visualization dashboard.
For how long have I used the solution?
I have been using the product for six years.
What do I think about the stability of the solution?
I rate the product's stability a nine out of ten.
What do I think about the scalability of the solution?
I rate Elastic Search's scalability a ten out of ten.
How are customer service and support?
The technical team needs to improve their response time.
How would you rate customer service and support?
Positive
How was the initial setup?
The tool's deployment is easy. It took us one day to deploy a seven-node Elastic Search cluster.
What's my experience with pricing, setup cost, and licensing?
Elastic Search is open-source, but you need to pay for support, which is expensive.
What other advice do I have?
The solution suits medium to large companies better. I rate it a nine out of ten.
Which deployment model are you using for this solution?
On-premises
Disclosure: My company has a business relationship with this vendor other than being a customer. Partner

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Elasticsearch is a distributed, RESTful search and analytics engine capable of solving a growing number of use cases, such as security events.