OSv
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| OSv | |
|---|---|
| Developer | Cloudius Systems |
| Written in | C++ |
| Working state | Stable |
| Source model | Open source |
| Initial release | September 16, 2013 |
| Repository | Page Template:Plainlist/styles.css has no content.
|
| Marketing target | Cloud computing |
| Available in | Multilingual |
| Supported platforms | x86-64 using the KVM, Xen, VMware, and VirtualBox hypervisors. (arm64 on KVM is under development) |
| Kernel type | Unikernel |
| Userland | POSIX, Java, Ruby |
| Default user interface | CLI, web |
| License | BSD license |
| Official website | osv |
OSv (stylized OSv) is a cloud computing focused[1] computer operating system released on September 16, 2013. It is a special-purpose operating system built to run as a guest on top of a virtual machine, thus it does not include drivers for bare-metal hardware.
It is a unikernel, designed to run a single Linux executable or an application written in one of the supported runtime environments (such as Java).[2] For this reason, it does not support a notion of users (it's not a multiuser system) or processes - everything runs in a single address space,[3] there is no difference between users address space and kernel address space. Using a single address space removes some of the time-consuming operations associated with context switching.[4]
It uses large amounts of code from the FreeBSD operating system, in particular the network stack and the ZFS file system. OSv can be managed using a REST Management API and an optional command-line interface written in Lua.
See also
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References
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- ^ Page Module:Citation/CS1/styles.css has no content.Kurth, Lars (3 December 2013). "Are Cloud Operating Systems the Next Big Thing?". linux.com. Archived from the original on 2014-08-01. Retrieved 5 December 2013.
- ^ Page Module:Citation/CS1/styles.css has no content.Madhavapeddy, Anil & Scott, David J. (12 January 2014). "Unikernels: Rise of the Virtual Library Operating System". ACM Queue. Retrieved 20 May 2014.
- ^ Page Module:Citation/CS1/styles.css has no content.Buys, Jon (18 September 2013). "Cloudius Systems Announced OSv, an Operating System for the Cloud". OStatic. Archived from the original on 27 November 2013. Retrieved 11 March 2014.
- ^ Page Module:Citation/CS1/styles.css has no content.Corbet, Jonathan (18 September 2013). "Rethinking the guest operating system". LWN.net. Retrieved 28 September 2013.
External links
- osv on GitHub
- Slides introducing the basic concept
- OSv—Optimizing the Operating System for Virtual Machines—paper presented at the USENIX Annual Technical Conference in 2014
- Original announcement
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