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Troubleshooting Docker

You're reading from Troubleshooting Docker Develop, test, automate, and deploy production-ready Docker containers

Product type Paperback

Published in Mar 2017

Publisher Packt

ISBN-13 9781783552344

Length 290 pages

Edition 1st Edition

Tools

Docker

Concepts

Containerization

Authors (4):

John Wooten

Navid Ahmed Shaikh

Vaibhav Kohli

Rajdeep Dua

View More author details

Table of Contents (11) Chapters

Preface

1. Understanding Container Scenarios and an Overview of Docker

2. Docker Installation FREE CHAPTER

3. Building Base and Layered Images

4. Devising Microservices and N-Tier Applications

5. Moving Around Containerized Applications

6. Making Containers Work

7. Managing the Networking Stack of a Docker Container

8. Managing Docker Containers with Kubernetes

9. Hooking Volume Baggage

10. Docker Deployment in a Public Cloud - AWS and Azure

Docker storage driver performance

In this section, we'll be looking into the performance aspect and comparison of file systems supported by Docker. Pluggable storage driver architecture and the flexibility to plug in a volume is the best approach for containerized environments and production use cases. Docker supports the aufs, btrfs, devicemapper, vfs, zfs, and overlayfs filesystems.

UFS basics

As discussed previously, Docker uses UFS in order to have a read-only, layered approach.

Docker uses UFS to combine several such layers into a single image. This section will take a deep dive into the basics of UFS and storage drivers supported by Docker.

UFS recursively merges several directories into a single virtual view. The fundamental desire of UFS is to have a read-only file system and some writable overlay on it. This gives the illusion that the file system has read-write access, even though it is read-only. UFS uses copy-on-write to support this feature. Also, UFS operates on directories...

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Authors (4)

Navid Ahmed Shaikh

Navid Ahmed Shaikh

See other products by Navid Ahmed Shaikh

Vaibhav Kohli

Vaibhav Kohli

Vaibhav Kohli at present is working in VMware's R&D Department and earlier taught computer engineering for a year at the esteemed University of Mumbai. He works for the office of the CTO, VMware IoT (Internet of Things) project. He has published many research papers in leading journals, IEEE transactions, and has filed patents at VMware on container technology. One of his big data projects has won the top prize at the national-level project showcase event. He has conducted workshops, hackathons, training sessions, and trade shows in many countries and is a reputed & established speaker at conferences on IoT and Docker technology. He is an active open source code contributor, repository manager and has also published many online Docker & Kubernetes tutorials. He has helped many customers and organizations to understand cloud-native apps, DevOps model and migrate to micro-service architecture. He has also recently published a book on Docker Networking. Vaibhav manages and leads various meetup groups across India on the latest cutting-edge Docker and Kubernetes technologies.

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John Wooten

John Wooten

John Wooten is the founder and CEO of CONSULTED, a global open source cloud consultancy that designs secure, succinct, and sustainable cloud architectures. As a leading cloud solutions architect and open technology strategist, John has deep and applicable realworld experience in designing, testing, deploying, and managing public, private, and hybrid cloud systems for both enterprise and government. His primary technical proficiencies include Linux systems administration, OpenStack clouds, and Docker containers. As an open source activist, John is committedly passionate and works extensively within a broad range of open source projects and communities. His latest Internet project is as the founder and maintainer of ÖppenSourced, a leading repository and defining resource on open source projects and applications. Otherwise, he is a self-proclaimed beach bum in search of the next surfable wave or is hiking and camping in remote locations.

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Dua

Dua

Rajdeep Dua has over 18 years experience in the cloud and big data space. He has taught Spark and big data at some of the most prestigious tech schools in India: IIIT Hyderabad, ISB, IIIT Delhi, and Pune College of Engineering. He currently leads the developer relations team at Salesforce India. He has also presented BigQuery and Google App Engine at the W3C conference in Hyderabad. He led the developer relations teams at Google, VMware, and Microsoft, and has spoken at hundreds of other conferences on the cloud. Some of the other references to his work can be seen at Your Story and on ACM digital library. His contributions to the open source community relate to Docker, Kubernetes, Android, OpenStack, and Cloud Foundry.

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