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DevOps with Kubernetes

You're reading from   DevOps with Kubernetes Accelerating software delivery with container orchestrators

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Product type Paperback
Published in Oct 2017
Publisher Packt
ISBN-13 9781788396646
Length 382 pages
Edition 1st Edition
Concepts
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Authors (3):
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Hui-Chuan Chloe Lee Hui-Chuan Chloe Lee
Author Profile Icon Hui-Chuan Chloe Lee
Hui-Chuan Chloe Lee
Hideto Saito Hideto Saito
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Hideto Saito
Cheng-Yang Wu Cheng-Yang Wu
Author Profile Icon Cheng-Yang Wu
Cheng-Yang Wu
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Toc

Understanding container

The key feature of container is isolation. In this section, we will elaborate how container achieves it and why it matters in the software development life cycle to help establish a proper understanding of this powerful tool.

Resource isolation

When an application launches, it consumes CPU time, occupies memory space, links to its dependent libraries, and may write to disk, transmit packets, and access other devices. Everything it uses up is a resource, and is shared by all the programs on the same host. The idea of container is to isolate resources and programs to separate boxes.

You may have heard such terms as para-virtualization, Virtual Machines (VMs), BSD jails, and Solaris containers, which can...

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