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Learning CoreOS

You're reading from   Learning CoreOS

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Product type Paperback
Published in Mar 2016
Publisher
ISBN-13 9781785888304
Length 190 pages
Edition 1st Edition
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Authors (2):
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Shantanu Agrawal Shantanu Agrawal
Author Profile Icon Shantanu Agrawal
Shantanu Agrawal
Kingston Smiler. S Kingston Smiler. S
Author Profile Icon Kingston Smiler. S
Kingston Smiler. S
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Table of Contents (10) Chapters Close

Preface 1. CoreOS, Yet Another Linux Distro? FREE CHAPTER 2. Setting Up Your CoreOS Environment 3. Creating Your CoreOS Cluster and Managing the Cluster 4. Managing Services with User-Defined Constraints 5. Discovering Services Running in a Cluster 6. Service Chaining and Networking Across Services 7. Creating a Virtual Tenant Network and Service Chaining Using OVS 8. What Next? Index

Apache-Mesos


Apache-Mesos is a container cluster manager developed for very large clusters involving thousands of hosts. Mesos provides a distributed kernel that is running across different nodes in the cluster and provides APIs for the application to manage resources such as memory, CPU, disk, and scheduling these resources.

The major components of Mesos are as follows:

  • Mesos agent

  • Mesos master

  • ZooKeeper

  • Mesos frameworks

    Mesos component overview

Mesos master

The Mesos master daemon runs in the master node that manages all the slave nodes or agents and the Mesos frameworks. The master takes care of sharing the resource to the frameworks based on the configured scheduling policy, which can either be strict priority or fair sharing.

Mesos agent

Mesos agent is responsible for running the actual tasks. The agent reports to the master about the availability of the resources, which the master agent uses to allocate a particular task or framework to be ran on the agent.

ZooKeeper

In a typical Mesos deployment...

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