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KVM vs Odin Virtuozzo Containers [EOL] comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Sep 7, 2025

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

KVM
Average Rating
8.0
Reviews Sentiment
7.4
Number of Reviews
43
Ranking in other categories
Server Virtualization Software (10th)
Odin Virtuozzo Containers [...
Average Rating
6.0
Reviews Sentiment
4.2
Number of Reviews
2
Ranking in other categories
No ranking in other categories
 

Featured Reviews

Reviewer836542 - PeerSpot reviewer
Chief Technology Officer at Rohill
Low latency in mission-critical environments with different virtualization environments
The most valuable feature of KVM is its superior real-time performance, which results in lower latency compared to alternatives like VMware and Microsoft. The ability to switch from one VM to another efficiently, thanks to the implementation of a real-time kernel, ensures delays remain minimal, thereby meeting our organization's performance requirements. This improved latency is critical because any delay in voice transmission could lead to life-threatening situations. Additionally, KVM being open-source means that we are not obligated to pay for licenses, which significantly reduces costs and simplifies license handling for ourselves and on behalf of customers.
Ramon Ruiz - PeerSpot reviewer
Director IT at Servnet
Significant backup for containers, but the customer service is terrible
Anyone considering this solution should not compare it to the old versions. They should be a partner with Virtuozzo and run all the certifications. Also, they need a good lab to understand the technology and how they can apply that technology conveniently. This is very commercial software. It does not have support, so you will need to be hands-on. I would rate Odin Virtuozzo a six out of 10 overall.

Quotes from Members

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

Pros

"This solution is open source and easy to configure."
"Low cost, if not lowest, with great performance and scalability, and security is top-notch while being free."
"The product is scalable."
"We are using KVM across our company for virtualization."
"A very reliable solution which can be used for x86 architecture virtualization with reasonable overhead."
"KVM has benefited our organization by enabling us to assess different virtualization solutions with reduced latency, which is crucial for guaranteeing the reliability and real-time performance of our communication systems."
"I like that this solution is open source, it was easy for me to configure and I haven't had any problems with it."
"The tool's most valuable feature is backup. The product makes it easy to manage virtual machines. Other tools require third-party applications like VMware and vSphere. However, KVM doesn't require these applications."
"When you run templates on the containers on Virtuozzo they have a lot of back-ups."
 

Cons

"The speed is around thirty percent slower than another competitor. This would be something to work on."
"We are not getting good support from KVM, and it is not that user-friendly."
"Monitoring and resolution could be improved."
"One problem I have is that it's not very scalable when it comes to resizing the VM disk dimensions. For example, if you have initially set a virtual drive to 10 GB and you want to upgrade it to 15 GB, it's not that easy."
"The main drawback in the solution is probably disaster recovery."
"In KVM, snapshots and cloning are areas where there could be a little more sophistication, like VMware."
"I would like to see more focus on microservices and integration with Kubernetes or OpenShift."
"The virtual manager and the graphical QEMU for KVM need some improvement."
"Odin Virtuozzo has poor support and needs to improve."
 

Pricing and Cost Advice

"One only needs a subscription to Oracle Linux. So, it's cheaper with Oracle Linux's subscription. It is not very expensive. In short, the solution is open source, and you need only a subscription."
"We had some problems with the licensing."
"This solution is an open-source, free platform with paid support."
"There is no cost involved in the use of KVM, as it is open source."
"I have no information on the cost of KVM because I downloaded it for the lab and not for production. It's free, but I don't know if that's the case for people using it in a production environment."
"The price is fair compared to others. But in our local market, it's a problem to get budget approval from management. That's why they are trying to get those products so we can give them the price benefit. But if you consider the international market or other products, it's sometimes better than their price."
"I use KVM for free through Proxmox, which offers a free license alternative."
"KVM is free."
"The license for Odin Virtuozzo is based on consumption on demand."
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Top Industries

By visitors reading reviews
Manufacturing Company
10%
Computer Software Company
10%
Comms Service Provider
9%
Financial Services Firm
9%
No data available
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business22
Midsize Enterprise9
Large Enterprise14
No data available
 

Questions from the Community

Why KVM??? Help please!
KVM scales better, orchestration better, performs better and supports a wider range of hardware and, also, you can implement at ZERO cost and with a very powerful web interface for management, from...
Why KVM??? Help please!
Small support team, small cluster, low core count, use VMware products Large support team, large clusters with many cores, use KVM. KVM scales better, orchestration better, performs better and supp...
Why KVM??? Help please!
Far from being an expert, my opinion is that the positive sides of KVM are: Lower costs and open-source which gives the abilities to customize it according to the specific needs of each customer.
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Also Known As

No data available
Virtuozzo Containers
 

Overview

 

Sample Customers

MediaWiki, Wikimedia Foundation, Wikipedia, Wikivoyage, Wikidata, Wikiversity, Commons
OzHosting.com, Triple C, ServerNest, Vastspace, Conetix
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