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Docker Cookbook

You're reading from Docker Cookbook Over 100 practical and insightful recipes to build distributed applications with Docker

Product type Paperback

Published in Aug 2018

Publisher

ISBN-13 9781788626866

Length 352 pages

Edition 2nd Edition

Tools

Docker

Concepts

Containerization

Authors (3):

Cochrane

Jeeva S. Chelladhurai

K Khare

View More author details

Table of Contents (19) Chapters

Title Page

Copyright and Credits

Dedication

Packt Upsell

Contributors

Preface

1. Introduction and Installation FREE CHAPTER

2. Working with Docker Containers

3. Working with Docker Images

4. Network and Data Management for Containers

5. Docker Use Cases

6. Docker APIs and SDKs

7. Docker Performance

8. Docker Orchestration and Hosting a Platform

9. Docker Security

10. Getting Help and Tips and Tricks

11. Docker on the Cloud

1. Other Books You May Enjoy

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Index

Getting container resource usage using the stats feature

Docker has a feature to easily get the resource usage for the containers that it manages. The following recipe shows you how to use it.

Getting ready

You will need a Docker host that can be accessed via the Docker client. Also, start a few containers to get some stats.

How to do it...

Follow these steps:

Run the following command to get stats from one or more containers:

     $ docker stats [OPTIONS] [CONTAINERS]

For example, if we have two containers with the names some-mysql and backstabbing_turing, then run the following command to get the stats as shown in the below screenshot:

     $ docker stats some-mysql backstabbing_turing

How it works...

The Docker daemon fetches resource information from cgroups and serves it through the APIs.

See also

Refer to the Docker stats documentation at https://docs.docker.com/engine/reference/commandline/stats/.

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Authors (3)

Cochrane

Cochrane

Ken Cochrane is an experienced technologist, architect, author, and leader. He has extensive professional experience leading software development teams, developing and implementing scalable web solutions, and delivering high-quality, highly functional web applications that are currently in use by millions of people worldwide. Ken was previously a member of the founding teams of Docker and CashStar. He is now currently the senior director of enterprise architecture for WEX, a global leader in financial technology solutions. Ken coauthored the book Docker Cookbook - Second Edition, published by Packt in 2018. He currently resides in Southern Maine with his wife, Emily, and two sons, Zander and Maddox.

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Jeeva S. Chelladhurai

Jeeva S. Chelladhurai

Jeeva S. Chelladhurai has been working as a DevOps specialist at the IBM Global Cloud Center of Excellence (CoE) in India for the past 8 years. He has more than 20 years of experience in the IT industry. In various capacities, he has technically managed and mentored diverse teams across the globe in envisaging and building pioneering telecommunication products. He specializes in DevOps and cloud solution delivery, with a focus on data center optimization, software-defined environments (SDEs), and distributed application development, deployment, and delivery using the newest Docker technology. Jeeva is also a strong proponent of agile methodologies, DevOps, and IT automation. He holds a master's degree in computer science from Manonmaniam Sundaranar University and a graduate certificate in project management from Boston University. He has been instrumental in crafting reusable assets for IBM solution architects and consultants in Docker-inspired containerization technology.

See other products by Jeeva S. Chelladhurai

K Khare

K Khare

Neependra K Khare is the founder and principal consultant at CloudYuga. CloudYuga provides training and consulting on Docker, Kubernetes, GO Programming, and so on. He is one of the Docker Captains and has run Docker Meetup Group in Bangalore for around 4 years. In 2015, he authored a book on Docker, Docker Cookbook. In 2016, he coauthored a course on Cloud Infrastructure Technologies at Edx for the Linux Foundation. Recently, he authored a course on Kubernetes on Edx, for the Linux Foundation.

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