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Mesos vs kubernetes comparison

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Mesos vs kubernetes comparison

  1. 1. HUAWEI TECHNOLOGIES CO., LTD. www.huawei.com Mesos vs. Kubernetes … a quick look … Krishna M Kumar Lead Architect Bangalore Cloud Foundry Meetup – 28th Mar 2015
  2. 2. HUAWEI TECHNOLOGIES CO., LTD. 2 contents - mesos vs. kubernetes – the TOP TEN 1. We are comparing – The what part! 10. Where to look further – The References 5. The bits and pieces – The Components 3. The guys who plays together – The Partners/Customers 4. Unknown internals – The Architecture 7. The comparative landscape – The Competitors 2. What you get it – The Features 9. So Finally What – The Conclusion 6. Who does the real job – The Scheduler 8. What the world is going to do – The Future
  3. 3. HUAWEI TECHNOLOGIES CO., LTD. 3 Mesos Kubernetes  Apache Mesos is a cluster manager that provides efficient resource isolation and sharing across distributed applications, or frameworks.  Apache Mesos abstracts CPU, memory, storage, and other compute resources away from machines (physical or virtual), enabling fault-tolerant and elastic distributed systems.  Google Kubernetes brings 'Google style' cluster management capabilities to the world of virtual machines, or 'on the metal' scenarios.  For production Google uses Omega/Borg, not Kubernetes which is in beta. • Mesos using same principle as Linux Kernel but higher layer of abstraction. • It can run Hadoop, MPI, Hypertable, Spark, and other frameworks on a dynamically shared pool of nodes. • Manage a cluster of Linux containers as a single system. • Kubernetes works with Mesos as Framework like Marathon Frameworks.  Was developed at the University of California, Berkeley year 2009 developed by Benjamin Hindman, Andy Konwinski, Matel Zaharia as well as professor Ion Stoica  Become top level Apache project from July 2013  Project Started at Google  It is still in Beta stage Works with various Frameworks like Marathon, Cronos. You can write your own. There is a core algorithm(DRF) to share resources and you can define your own scheduling policy. Frameworks does Fault Tolerance, Load balancing, Quotas, Discovery, etc. Kubernetes establishes robust declarative primitives for maintaining the desired state requested by the user. Self-healing mechanisms, such as auto-restarting, re-scheduling, and replicating containers require active controllers, not just imperative orchestration. 1. We are comparing – The what part!
  4. 4. HUAWEI TECHNOLOGIES CO., LTD. 4 Mesos Kubernetes Written in C++, Create a big resource pool from all resources. Written in Golang, works well with CoreOS, Red Hat Atomic. Easy to run cluster resources. Full control of the containers scheduled. Custom schedule can manage the containers and VMs as desired. Kubernetes will do the containers. Pods – a group of containers scheduled on the same host supports composable micro services. Since Mesos enables you to run stateless services such as web servers or application servers on the same cluster as Spark for analytics purposes, it increases the overall cluster utilization and accommodates the effects of data gravity. You can deploy any service you like into Kubernetes. There are also some services with built-in Kubernetes support. Cassandra, RethinkDB and Spark are some of them. This makes better utilization, reduce complexity and service discovery much easier. Project Features • Scalability to 10,000s of nodes • Fault-tolerant replicated master and slaves using ZooKeeper • Support for Docker containers • Native isolation between tasks with Linux Containers • Multi-resource scheduling (memory, CPU, disk, and ports) • Java, Python and C++ APIs for developing new parallel applications • Web UI for viewing cluster state Project Features • Primarily targeted at applications composed of multiple containers, • such as elastic, distributed micro-services. • Support multiple platforms • Easy to get up and running & portable • Manages Docker deployment well • Scheduling provides out of the box • Monitoring Dashboard 2. What you get it – The Features
  5. 5. HUAWEI TECHNOLOGIES CO., LTD. 5 Mesos Kubernetes 4. The guys who plays together – The Partners/Customers Organizations using Mesos: http://mesos.apache.org/documentation/latest/powered-by-mesos/ Twitter Airbnb Apple Cisco Ericson Ebay Mesosphere Netflix Google Microsoft IBM RedHat Docker Mesosphere SaltStack CoreOS Tectonic Mirantis Openstack VMWare
  6. 6. HUAWEI TECHNOLOGIES CO., LTD. 6 Mesos Kubernetes 5. Unknown internals – The Architecture See Components in next slide for more details.
  7. 7. HUAWEI TECHNOLOGIES CO., LTD. 7 Mesos Kubernetes 1. Master – Enable sharing of resource 2. Slave – Execute the task in it 3. Cluster – a group of machines 4. ZooKeeper – distributed synchroniztion/configuration 5. Framework – scheduler + executor 6. Scheduler – Offer resources 7. Executor – Run the Framework task 8. Task – a job to run 9. Containerizer – run & monitor executors 1. Master – Cluster controlling unit 2. etcd – HA Key/value store 3. API Server - Observing the state of the cluster 4. Controller Manager – runs multiple controllers 5. Scheduler Server – assigns workloads to nodes 6. Minion – server that perform work 7. Kubelet - server/slave node that runs pods 8. Proxy Service – host subnetting to external parties 9. Pods – One or more containers 10.Services – load balancer for containers 11.Replication Controller – For horizontally-scaled pods 12.Labels – A tag for work unit for grouping Related: 1. CoreOS – Chrome OS based Linux distro 2. Fleet – Orchestrate CoreOS Clusters 3. Borg – massive scale resource manager 4. Omega – massive scale cluster manager  More detailed explanations of the components: https://github.com/mesosphere/kubernetes-mesos/issues/285 6. The bits and pieces – The Components
  8. 8. HUAWEI TECHNOLOGIES CO., LTD. 8 Mesos Kubernetes 7. Who does the real job – The Scheduler The scheduler is configurable and at compile time which fit predicates and priority functions you want Kubernetes to apply. It has two types of policies, FitPredicate - The sum of the requested resources of the container(s) already running on the machine plus the requested resources of the new container(s) you are considering scheduling onto the machine must not be greater than the capacity of the machine& PriorityFunction - The scheduler may find that multiple machines "fit" the pod and it prefers the machine whose already- running pod consume the least resources. Future Goals -- Scheduling is a policy-rich, topology-aware, workload-specific function that significantly impacts availability, performance, and capacity. The scheduler needs to take into account individual and collective resource requirements, quality of service requirements, hardware/software/policy constraints, affinity and anti- affinity specifications, data locality, inter-workload interference, deadlines, and so on. Workload-specific requirements will be exposed through the API as necessary. Mesos has two levels of scheduling; first one intra-Frameworks level as in below and second at inter-Framework level application specific.
  9. 9. HUAWEI TECHNOLOGIES CO., LTD. 9 8. The comparative landscape – The Competitors
  10. 10. HUAWEI TECHNOLOGIES CO., LTD. 10 Mesos Kubernetes  Silicon Valley startup Mesosphere is betting big on Mesos to create its future Data Center Operating System.  Several top companies are using Mesos in their production environment.  Google’s Flagship Data Center product for cloud hosting with lots of industry backing.  Mesosphere have integrated Mesos and Kubernetes together. Focusing more on Enterprise adoption like Security, Encryption, Reliability and Authentication by Ben Hindman – Mesos Creator. Better scheduling algorithm & Spanning across multiple location is challenge. By Eric Brewer, VP Google & CAP Theorem Creator. Customers can choose utilization in datacenters, security and reliability at scale – can be brought to container- and VM-based environments using Mesos. Huge flexibility of integrating any kind of framework and so continue to grow popularly. Kubernetes to be awesome everywhere, even for customers who will run their apps on other clouds or in their own datacenters - goal for Kubernetes is ubiquity. AS more and more Docker deployment happens and Kubernetes gets more maturity, it may act alone without Mesos to deliver similar value what Mesos provides! 9. What the world is going to do – The Future
  11. 11. HUAWEI TECHNOLOGIES CO., LTD. 11 10. So Finally What – The Conclusion Together Kubernetes and Mesos are a match made in heaven. Kubernetes enables the Pod (group of co-located containers) abstraction, along with Pod labels for service discovery, load- balancing, and replication control. Mesos provides the fine-grained resource allocations for pods across nodes in a cluster, and can make Kubernetes play nicely with other frameworks running on the same cluster resources - Stackoverflow Use Mesos for: Heavy Duty Production Implement a new capability Need multiple Framework For existing workloads Full control of workloads Use Kubernetes for: Testing alpha/beta Very easy to setup and start Pre-built scheduler algorithm Container only world More features on the way
  12. 12. HUAWEI TECHNOLOGIES CO., LTD. 12 10. Where to look further – The References 1. Mesos - https://github.com/apache/mesos/ 2. Kubernetes - https://github.com/googlecloudplatform/kubernetes 3. Mesos Architecture - http://mesos.apache.org/documentation/latest/mesos-architecture/ 4. Kubernetes Design - https://github.com/GoogleCloudPlatform/kubernetes/tree/master/docs/design 5. Kubernetes Scheduler - http://stackoverflow.com/questions/28857993/how-does-kubernetes-scheduler-work 6. Mesos Scheduler - http://cloudarchitectmusings.com/2015/04/08/playing-traffic-cop-resource-allocation-in-apache- mesos/ 7. Kubernetes Deployment - https://news.ycombinator.com/item?id=9653118 8. Mesosphere – Kubernetes-Mesos - https://github.com/mesosphere/kubernetes-mesos 9. Mesos and Kubernetes at scale - https://www.youtube.com/watch?v=pFCJ3WiVjyA 10. Mesos vs. Kubernetes - http://stackoverflow.com/questions/26705201/whats-the-difference-between-apaches-mesos- and-googles-kubernetes 11. Kubernetes – Marathon - https://www.quora.com/What-is-the-difference-between-Googles-Kubernetes-and- Mesospheres-Marathon 12. Mesos - Kubernetes PaaS - http://www.slideshare.net/MiguelZuniga1/platform-as-a-service-with-kubernetes-and-mesos 13. Mesos, Docker, Kubernetes - http://www.slideshare.net/timothysc/apache-coneu 14. Future of computing - https://medium.com/s-c-a-l-e/google-systems-guru-explains-why-containers-are-the-future-of- computing-87922af2cf95 15. Future of Resource Manager by IBM - https://www.ibm.com/developerworks/community/blogs/1ba56fe3-efad-432f- a1ab-58ba3910b073/entry/thoughts_on_future_of_resource_managers_and_schedulers_in_the_cloud?lang=en
  13. 13. Thank you www.huawei.com HUAWEI TECHNOLOGIES CO., LTD. 13

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