Software Alternatives, Accelerators & Startups

QEMU VS Docker Swarm

Compare QEMU VS Docker Swarm and see what are their differences

QEMU logo QEMU

QEMU (short for "Quick EMUlator") is a free and open-source hosted hypervisor that...

Docker Swarm logo Docker Swarm

Native clustering for Docker. Turn a pool of Docker hosts into a single, virtual host.
  • QEMU Landing page
    Landing page //
    2022-01-14
  • Docker Swarm Landing page
    Landing page //
    2022-11-01

QEMU features and specs

  • Open Source
    QEMU is completely open-source, meaning it is free to use and its source code is available for modification and improvement by the community.
  • Platform Support
    QEMU supports a wide range of architectures and platforms, allowing users to emulate systems from x86 to ARM and beyond.
  • Performance
    When used with KVM (Kernel-based Virtual Machine), QEMU offers near-native performance for virtual machines on x86 hardware.
  • Flexibility
    QEMU can be used for a variety of tasks, such as running virtual machines, debugging, or even virtualization for embedded systems.
  • Integration
    QEMU integrates well with other systems and tools, making it a versatile component in large, complex setups (e.g., OpenStack).

Possible disadvantages of QEMU

  • Complexity
    The vast array of features and configuration options can make QEMU overwhelming and difficult to set up for beginners.
  • Performance Overhead
    Without the use of KVM or other hardware acceleration, QEMU's performance can be significantly slower compared to other hypervisors.
  • Limited GUI
    QEMU primarily operates via command-line interface, which might not be user-friendly for individuals who prefer graphical user interfaces.
  • Sparse Documentation
    While improving, some parts of QEMU's documentation remain sparse or difficult to understand, which can pose challenges during advanced configurations or troubleshooting.
  • Resource Intensive
    Running multiple instances of QEMU can be resource-intensive on the host system, which may affect overall performance.

Docker Swarm features and specs

  • Simplicity
    Docker Swarm is easy to set up and use, especially for those already familiar with Docker. It integrates seamlessly into the Docker ecosystem, providing a straightforward solution for container orchestration without the need for additional tools.
  • Native Docker Integration
    Swarm is built into Docker, meaning that Docker users do not need to install or configure another orchestration tool. This provides a consistent experience from development to production.
  • Declarative Service Model
    Swarm allows users to define the desired state of their services, and the system works to maintain that state. This includes scaling services up or down, and handling load balancing.
  • Easy Scaling
    Docker Swarm makes it easy to scale applications horizontally by simply changing the number of replicas of a service. The platform manages the distribution of these replicas across the available nodes.
  • Built-in Load Balancing
    Swarm includes built-in load balancing, distributing incoming client requests to running containers based on task states and node availability.

Possible disadvantages of Docker Swarm

  • Limited Ecosystem
    Compared to Kubernetes, Docker Swarm has a more limited ecosystem of plugins, extensions, and third-party integrations. This can make it less flexible for complex or custom setups.
  • Less Feature-Rich
    Although sufficient for many use cases, Swarm lacks some advanced features that other orchestrators like Kubernetes offer, such as custom scheduling policies, complex networking configurations, and a broader range of storage options.
  • Community and Support
    The Docker Swarm community is smaller and less active compared to Kubernetes. This affects the available support, community-contributed tools, and overall development pace.
  • Scaling Limits
    While Docker Swarm can handle small to medium-sized clusters efficiently, it may not perform as well as Kubernetes in very large-scale deployments, particularly in terms of resource management and fault tolerance.
  • Future Uncertainty
    With Docker's increasing focus on Kubernetes, the long-term future of Docker Swarm is uncertain. This raises concerns about investing in a technology that might not be as actively developed or supported in the future.

QEMU videos

What is QEMU?

More videos:

  • Review - Creating Virtual Machines in QEMU | Virt-manager | KVM
  • Review - Community Code Review & QEMU

Docker Swarm videos

Kubernetes vs Docker Swarm | Container Orchestration War | Kubernetes Training | Edureka

More videos:

  • Review - Roberto Fuentes – NodeJS with Docker Swarm

Category Popularity

0-100% (relative to QEMU and Docker Swarm)
Cloud Computing
79 79%
21% 21
Developer Tools
0 0%
100% 100
Virtualization
100 100%
0% 0
DevOps Tools
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare QEMU and Docker Swarm

QEMU Reviews

15 Lutris Alternatives
QEMU is a piece of open-source software for simulating hardware. It lets users of one operating system (OS) use apps made for another. The virtualization software could then be put on these host operating systems. It enables computers with one OS to use software made for a different OS. With the help of dynamic translation, users can do well in what they do. This software is...
Best Alternatives of VirtualBox for Windows
Short for Quick Emulator, QEMU is another free and open source virtualization solution for a variety of operating systems. While it is immensely powerful, it is also one of the least user friendly out there. QEMU offers a host of advanced capabilities and features that others of the same genre fall short of, including a wide variety of architectures in place of the...
10 Best VMware Alternatives and Similar Software
QEMU also allows users to run applications from other computers from within their operating system. QEMU’s great performance is ensured via a dynamic translation.
12 Best FREE Virtual Machine (VM) Software in 2020
QEMU is another popular emulator and virtualization machine, which is a short form of Quick Emulator. This system is written in C language.
Source: www.guru99.com
7 VirtualBox Alternatives You Can Consider
QEMU stands for “quick emulator” which is a highly capable open source and free virtualization software. It has support for Windows, Linux, and macOS as a guest and can also run on all three host platforms. Installing it is comparatively easier but gets a bit complicated while using it. While it doesn’t need a high configuration PC to run. To run your guest OS on the virtual...

Docker Swarm Reviews

Top 12 Kubernetes Alternatives to Choose From in 2023
With Docker Swarm, you can create and manage a cluster of Docker nodes, enabling the deployment and scaling of containerized applications across a distributed environment.
Source: humalect.com
11 Best Rancher Alternatives Multi Cluster Orchestration Platform
Next, we have Docker Swarm on our alternatives to rancher list. Docker Swarm is a lightweight container orchestration tool that lets you create, deploy and manage containerized applications. It is even one of the most popular container orchestration tools after Kubernetes.
Docker Swarm vs Kubernetes: how to choose a container orchestration tool
Docker Swarm is an open-source container orchestration platform built and maintained by Docker. Under the hood, Docker Swarm converts multiple Docker instances into a single virtual host. A Docker Swarm cluster generally contains three items:
Source: circleci.com

Social recommendations and mentions

Docker Swarm might be a bit more popular than QEMU. We know about 3 links to it since March 2021 and only 3 links to QEMU. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

QEMU mentions (3)

  • Podman and production use
    Qemu.org, wiki.qemu.org, patchew.org, kvm-forum.qemu.org are all Podman containers on the same machine (running CentOS Stream 9) with an nginx front-end. Nginx and certbot are the only two things that run outside containers. Source: almost 2 years ago
  • From WampServer, to Vagrant, to QEMU
    As someone who enjoys playing video games, and a recent convert to Linux, I was well aware of the derth of support for games. I was also aware of some of the solutions, one of those being GPU passthrough to this thing called QEMU. QEMU is a fast and lightweight machine emulator and virtualizer. This was of course something that interested me, so I went about exploring QEMU and playing with it. When I first started... - Source: dev.to / over 2 years ago
  • Premium fonts on Linux
    Install the windows-version using https://WineHQ.org or put in an a VM, like https://qemu.org/. Source: almost 3 years ago

Docker Swarm mentions (3)

  • Ask HN: Why did K8s win against Docker Swarm?
    Docker Swarm Classic (https://github.com/docker-archive/classicswarm) is dead. Docker Swarm Mode is alive, and I know some people use it, but it's very niche compared to k8s. As someone who interacts with k8s regularly, I often feel like there is a place for a simpler k8s alternative. But looking at history I see the attempts like Swarm fail. What do you think played the decisive role in the k8s victory? Features,... - Source: Hacker News / 6 months ago
  • K8s vs Docker Swarm
    So the thing is support for Swarm was delegated to Mirantis, https://www.mirantis.com/blog/mirantis-will-continue-to-support-and-develop-docker-swarm/ since it was delegated very little was done to move forward swarm _> https://github.com/moby/swarmkit/commits/master , docker swarm itself (docker the company) is deprecated https://github.com/docker-archive/classicswarm . I think because there's no way to... Source: almost 2 years ago
  • #30DaysOfAppwrite: Docker Swarm Integration
    Docker Swarm is a container orchestration tool built right into the Docker CLI which allows us to deploy our Docker services to a cluster of hosts, instead of just the one allowed with Docker Compose. This is known as Swarm Mode, not to be confused with the classic Docker Swarm that is no longer being developed as a standalone product. Docker Swarm works great with Appwrite as it builds upon the Compose... - Source: dev.to / almost 4 years ago

What are some alternatives?

When comparing QEMU and Docker Swarm, you can also consider the following products

VirtualBox - VirtualBox is a powerful x86 and AMD64/Intel64 virtualization product for enterprise as well as...

Kubernetes - Kubernetes is an open source orchestration system for Docker containers

VMware Workstation - VMware Workstation is a multiple operating system handler to easily evaluate the any other type of new operating systems.

Rancher - Open Source Platform for Running a Private Container Service

Proxmox VE - Proxmox is an open-source server virtualization management solution that offers the ability to manage virtual server technology with the Linux OpenVZ and KVM technology.

Docker Compose - Define and run multi-container applications with Docker