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Anonymous User
Real User
Software Architect with 501-1,000 employees
Dec 13 2018

What do you think of KVM?

What is our primary use case?: My primary use case for KVM is running multiple VMs and containers on the one node. • What is most valuable?: I find the density of the product most valuable. It is because of kernel same page merging technology (KSM) that is integrated into Linux kernel. That high density makes KVM one of the important players of the virtualization market. • What needs improvement?: In the future release of KVM, I would like to have improved support for Windows guests. • For how long have I used the solution?: More than five years. • What do I think about the stability of the solution?: The stability of this solution is less than other products in the same category. But, it is OK.  • What do I think about the scalability of the solution?: The...
Matias Sundman
Real User
System Architect at a aerospace/defense firm with 10,001+ employees
Dec 13 2018

What is most valuable?

A big strength with KVM is that it is an open-source component. It gets improvements from Intel, for example, and the other semiconductors. It can be sized-down to a very small package. It can be used in embedded systems as well, so it has a... more»

What needs improvement?

I would like to see a separation, so you could have KVM running in a few cores, and then you could have a real-time operating system running another core, so there is a hybrid environment with real time operating systems and Linux.

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

It is cheaper than other competitors like VMware or Hyper-V.
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Anonymous User
User
System Architect with 11-50 employees
Apr 24 2018

What is most valuable?

Our infrastructure is based on KVM and Linux Containers (LXC). We had a lot of VMware legacy, but it was converted to Ubuntu and KVM hypervisor for about the last year. Management... more»

How has it helped my organization?

In the Linux world, KVM is a very reliable solution which can be used for x86 architecture virtualization with reasonable overhead. Reliable and extensible have a tight integration... more»

What needs improvement?

The support of virtualization in the recent generation of x86 processor is almost a must have, so the only negative aspect of needing hardware support is a fully functional KVM can... more»

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

It is free and can be run from your laptop, if needed, unlike VMware.
Vinícius Melo
Real User
Student at Universidade de Brasília at a tech services company
Jun 19 2017

What do you think of KVM?

What is most valuable?: Low cost, if not lowest. Great performance and scalability. Security is top-notch. Free. • What needs improvement?: Networking configuration might be annoying depending on how you want to set it up; usually works fine, though. • For how long have I used the solution?: I have used it for one year. • What was my experience with deployment of the solution?: We have not encountered any deployment issues. • What do I think about the stability of the solution?: We have not encountered any stability issues. • What do I think about the scalability of the solution?: We have not encountered any scalability issues. • How is customer service and technical support?: Customer Service: Well, none. Technical Support: Unless you can count open...

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What is KVM?

KVM (for Kernel-based Virtual Machine) is a full virtualization solution for Linux on x86 hardware containing virtualization extensions (Intel VT or AMD-V). It consists of a loadable kernel module, kvm.ko, that provides the core virtualization infrastructure and a processor specific module, kvm-intel.ko or kvm-amd.ko.
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