Datacenter Operating System
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The Datacenter Operating System (known also as DC/OS) is an open source operating system and distributed system built upon the Apache Mesos project.[3] The Datacenter Operating System was developed by software startup Mesosphere and open sourced in April 2016.[4]
Contents
Origins
The term datacenter operating system was first coined in the paper The Datacenter Needs an Operating System,[5] published at the University of California, Berkeley. In the paper Zaharia et al describe four areas of functionality that a datacenter OS should provide:
- Resource Sharing
- Data Sharing
- Programming Abstractions
- Debugging and Monitoring
The paper cites the Mesos project as an attempt to tackle the problem of resource sharing amongst frameworks on a shared compute cluster.
Architecture
The Datacenter Operating System categorizes components as being in user space or kernel space.[6] Kernel space includes the Mesos master and agents while user space includes various system components of the Datacenter Operating System. These components include (amongst others):[7]
- Admin Router, an internal load balancer
- Cosmos, an internal packaging API service
- Exhibitor, a Java supervisor system for ZooKeeper
- Marathon, an Apache Mesos framework for container orchestration
- Mesos-DNS, an internal DNS service
History
On April 19, 2016, Mesosphere open sourced the Datacenter Operating System.[4] At the launch, Autodesk announced that they were able to reduce running AWS instances by 66% using DC/OS.[8]
References
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