Mesos, DC/OS and the Architecture of the New Datacenter
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The document discusses Mesosphere's approach to data center architecture, specifically focusing on Mesos and the Data Center Operating System (DC/OS). It highlights the evolution of applications, resource management, and container networking challenges, presenting Mesos as a scalable and fault-tolerant solution for distributed applications. The document also emphasizes the importance of an open-source ecosystem and community surrounding DC/OS.
Mesos, DC/OS and the Architecture of the New Datacenter
- 1. © 2016 Mesosphere, Inc. All Rights Reserved. MESOS, DC/ OS AND THE ARCHITECTUR E OF THE NEW DATACENTER 1
- 2. © 2016 Mesosphere, Inc. All Rights Reserved. WHOAMI 2 benjamin.bannier@mesosphere.io Mesosphere Distributed databases PhD, High energy nuclear physics2007 - 2014 2014 - 2015 2015 -
- 3. 3 PHYSICAL (x86) VIRTUAL HYPERSCALEMAINFRAME SERVER VIRTUAL MACHINE PARTITION (LPAR) UNIT OF INTERACTION ! ERP, CRM, PRODUCTIVITY, MAIL & WEB SERVER ! LINUX, WINDOWS ! DATA / TRANSACTION PROCESSING ! UNIX, IBM OS/360 DEFINITIVE APPS AND OS ! ERP, CRM, PRODUCTIVITY, MAIL & WEB SERVER ! HYPERVISOR + GUEST OS ! BIG DATA, INTERNET OF THINGS, MOBILE APPS ! ??? ???DATACENTER NEW FORM FACTOR FOR DEVELOPING AND RUNNING APPS ! BIG DATA, INTERNET OF THINGS, MOBILE APPS ! DATACENTER OPERATING SYSTEM (DC/OS) EVOLUTION OF APPLICATIONS
- 4. © 2016 Mesosphere, Inc. All Rights Reserved. STATIC PARTITIONING 4 Deals well with heterogeneous workloads. Headroom left for peak workloads will lead to poor overall resource utilization. When resource requirements change potentially costly reconfigurations.
- 5. © 2016 Mesosphere, Inc. All Rights Reserved. SHARED RESOURCES 5 Multiple frameworks can use the same cluster resources, with their share adjusting dynamically.
- 6. © Gerard Julien/ Run everything in containers!
- 7. © 2016 Mesosphere, Inc. All Rights Reserved. What about container management? 7
- 8. © 2016 Mesosphere, Inc. All Rights Reserved. What about container management? 8
- 9. © 2016 Mesosphere, Inc. All Rights Reserved. MESOS 9
- 10. © 2016 Mesosphere, Inc. All Rights Reserved. THE BIRTH OF MESOS 10 TWITTER TECH TALK The grad students working on Mesos give a tech talk at Twitter. March 2010 APACHE INCUBATION Mesos enters the Apache Incubator. Spring 2009 CS262B Ben Hindman, Andy Konwinski and Matei Zaharia create “Nexus” as their CS262B class project. MESOS PUBLISHED Mesos: A Platform for Fine-Grained Resource Sharing in the Data Center is published as a technical report. September 2010 December 2010 DC/OS April 2016
- 11. © 2016 Mesosphere, Inc. All Rights Reserved. VISION 11 Sharing resources between batch processing frameworks • Hadoop • MPI • Spark What does an operating system provide? • Resource management • Programming abstractions • Security • Monitoring, debugging, logging
- 12. © 2015 Mesosphere, Inc. All Rights Reserved. • A top-level Apache project • A cluster resource negotiator • Scalable to 10,000s of nodes • Fault-tolerant, battle-tested • An SDK for distributed apps • Native Docker support 12 Apache Mesos
- 13. © 2016 Mesosphere, Inc. All Rights Reserved. ARCHITECTURE 13 Mesos Fundamentals Now called Agent
- 14. © 2016 Mesosphere, Inc. All Rights Reserved. TWO-LEVEL SCHEDULING 14 Scheduler(s) AllocationUser Wor Resource Launch
- 15. © 2016 Mesosphere, Inc. All Rights Reserved. TWO-LEVEL SCHEDULING 15
- 16. © 2016 Mesosphere, Inc. All Rights Reserved. 16 YARN
- 17. © 2016 Mesosphere, Inc. All Rights Reserved. CONTAIN ER NETWO RKING 17
- 18. © 2016 Mesosphere, Inc. All Rights Reserved. CONTAINER NETWORKING 18 Containers isolate tasks on the agent, but what about their communication? The status quo in a Mesos cluster: one IP per agent. Many containers per agent: they must share a single IP. Agent ContainerContainer ContainerContainer ContainerContainer
- 19. © 2016 Mesosphere, Inc. All Rights Reserved. CONTAINER NETWORKING 19 This causes headaches: Port conflicts Security compromises Performance Service discovery Agent ContainerContainer ContainerContainer Web serviceWeb service
- 20. © 2016 Mesosphere, Inc. All Rights Reserved. CONTAINER NETWORKING 20 This causes headaches: Port conflicts Security compromises Performance Service discovery Agent ContainerContainer ContainerContainer Test serviceProd. service
- 21. © 2016 Mesosphere, Inc. All Rights Reserved. CONTAINER NETWORKING 21 This causes headaches: Port conflicts Security compromises Performance Service discovery Agent ContainerContainer ContainerContainer ContainerContainer
- 22. © 2016 Mesosphere, Inc. All Rights Reserved. CONTAINER NETWORKING 22 This causes headaches: Port conflicts Security compromises Performance Service discovery Agent Container Container Agent Container Container
- 23. © 2016 Mesosphere, Inc. All Rights Reserved. IP PER CONTAIN ER 23 Segregating containers’ network traffic can solve these problems in an elegant, maintainable way.
- 24. © 2016 Mesosphere, Inc. All Rights Reserved. CALICO NETWORK ISOLATION 24 Agent iptables Kernel routing Container Calico modul
- 25. © 2016 Mesosphere, Inc. All Rights Reserved. CALICO NETWORK ISOLATION 25
- 26. © 2016 Mesosphere, Inc. All Rights Reserved. DISTRIBU TED SYSTEMS SDK 26 “Developers will ask for an API not for a VM to run their software”
- 27. © 2016 Mesosphere, Inc. All Rights Reserved. Distributed System SDK 27 Focus on application logic, not on data-center structure • Avoid networking-related code • Reuse of built-in fault-tolerance and high availability • Reuse distributed (infrastructure) frameworks (e.g., storage) Mesos
- 28. © 2016 Mesosphere, Inc. All Rights Reserved. FIRST FRAMEWORK/SERVICE 28 Mesos Utilize resources ResourceOffer React on Tasks Events TaskStatus Update Scheduler Interface
- 29. © 2016 Mesosphere, Inc. All Rights Reserved. RENDLER 29 Mesos Scheduler Interface Examples implementations for different languages: C++, Go, Haskell, Java, Python, Scala https://github.com/mesosphere/RENDLER
- 30. © 2016 Mesosphere, Inc. All Rights Reserved. 30
- 31. Datacenter Operating System (DC/OS) Distributed Systems Kernel (Mesos) Big Data + Analytics EnginesMicroservices (in containers) Streaming Batch Machine Learning Analytics Functions & Logic Search Time Series SQL / NoSQL Databases Modern App Components Distributed systems kernel to abstract resources Ecosystem of frameworks & apps Consistent architecture to run on top of kernel User Interface (GUI & CLI) Core system services (e.g., distributed init, cron, service discovery, package mgt & installer, storage) Any Infrastructure (Physical, Virtual, Cloud) 31 DC/OS ENABLES MODERN DISTRIBUTED APPS
- 32. © 2016 Mesosphere, Inc. All Rights Reserved. 32 DC/OS is … ‣ 100% open source (ASL2.0) • A big, diverse community ‣ An umbrella for ~30 OSS projects • Roadmap and designs • The build tool chain • Docs and tutorials ‣ Not limited in any way ‣ Familiar, with a few new features
- 33. © 2016 Mesosphere, Inc. All Rights Reserved. http://dcos.io 33
- 34. © 2016 Mesosphere, Inc. All Rights Reserved. QUESTIONS? 34 http://apache.mesos.org http://dcos.io http://mesosphere.com