hands-on lab

Mastering Kubernetes Pod Configuration: Defining Resource Requirements

Intermediate
Up to 35m
2,266
4.7/5
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Description

Kubernetes provides a variety of features to get the most out of your containerized applications. This lab will train you on Pod configuration concepts that teach you how to maximize cluster efficiency and utilization by configuring resource requirements for Pods.

This lab is valuable to anyone working with Kubernetes, but the content has been prepared considering topics described in the Certified Kubernetes Application Developer (CKAD) Exam Curriculum. Completion of the lab will help you get hands-on experience, which is essential for passing the CKAD exam.

Learning Objectives

  • Define an application's resource requirements using limits and requests

Intended Audience

  • Application developers and DevOps engineers deploying applications in containers and using or considering Kubernetes
  • This lab is recommended for Certified Kubernetes Application Developer (CKAD) examinees

Prerequisites

  • Knowledge of Kubernetes Pod Design (Pods, Deployments, Services, Jobs)
  • Experience with kubectl

You can complete the Kubernetes Pod Design for Application Developers lab series to satisfy the prerequisites.

Updates

October 13th, 2023 - Updated Kubernetes to 1.28 

June 13th, 2023 - Updated Kubernetes to 1.26

September 6th, 2022 - Updated to run Kubernetes 1.24

January 20th, 2022 - Fixed a typo in the manifest to force scheduling of the Pods on separate nodes

October 18th, 2021 - Added instructions to clarify the importance of requests on scheduling decisions

Environment before

Environment after

About the author

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Logan Rakai, opens in a new tab
Lead Content Developer - Labs
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Logan has been involved in software development and research since 2007 and has been in the cloud since 2012. He is an AWS Certified DevOps Engineer - Professional, AWS Certified Solutions Architect - Professional, Microsoft Certified Azure Solutions Architect Expert, MCSE: Cloud Platform and Infrastructure, Google Cloud Certified Associate Cloud Engineer, Certified Kubernetes Security Specialist (CKS), Certified Kubernetes Administrator (CKA), Certified Kubernetes Application Developer (CKAD), and Certified OpenStack Administrator (COA). He earned his Ph.D. studying design automation and enjoys all things tech.

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Covered topics

Lab steps

Connecting to the Kubernetes Cluster
Requesting and Limiting Resources for Pods