You're reading from The Kubernetes Workshop

Product typeBook

Published inSep 2020

PublisherPackt

ISBN-139781838820756

Edition1st Edition

Tools

Kubernetes

Concepts

Containerization

Authors (6):

Zachary Arnold

Sahil Dua

Wei Huang

Faisal Masood

Mélony Qin

Mohammed Abu Taleb

View More author details

Managing the Kubernetes Scheduler

Kubernetes provides many parameters and objects through which we can manage the behavior of the Kubernetes Scheduler. We will look into the following ways of managing the scheduling process:

Node affinity and anti-affinity
Pod affinity and anti-affinity
Pod priority and preemption
Taints and tolerations

Node Affinity and Anti-Affinity

Using node affinity rules, a Kubernetes cluster administrator can control the placement of Pods on specific sets of nodes. Node affinity or anti-affinity allows you to constrain which nodes a Pod can run on based on the labels of the nodes.

Imagine that you are an administrator of the shared Kubernetes cluster in a bank. Multiple teams are running their applications on the same cluster. Your organization's security group has identified nodes that can run data-sensitive applications and would like you to make sure that no other applications run on those nodes. Node affinity or anti...

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The Kubernetes Workshop

Published in: Sep 2020Publisher: PacktISBN-13: 9781838820756

Authors (6)

Zachary Arnold

Zachary Arnold works as a software engineer at Ygrene Energy Fund. Zach has an experience of over 10 years in modern web development. He is an active contributor to the Open Source Kubernetes project in both SIG-Release and SIG-Docs currently focusing on security. He has been running clusters in production since Kubernetes 1.7 and has spoken at the previous 4 KubeCons. His passion areas in the project center on building highly stable Kubernetes cluster components and running workloads securely inside of Kubernetes.
Read more about Zachary Arnold

Sahil Dua

Sahil Dua is a software engineer. He started using Kubernetes to run machine learning workloads. Currently, he is running various types of applications on Kubernetes. He shared his learnings as a keynote session at KubeCon Europe 2018. He is a passionate open source contributor and has contributed to some famous projects such as Git, pandas, hound, go-GitHub, and so on. He has been an open source community leader for over 2 years at DuckDuckGo.
Read more about Sahil Dua

Wei Huang

Wei Huang: Wei works as a senior software engineer in IBM. He has over 10 years' experiences around database, data warehouse tooling, cloud, container, monitoring and devops. He started to use Kubernetes since 1.3, including extending Kubernetes LoadBalancer using CRD, networking, scheduling and monitoring. Now he is a core maintainer of Kubernetes SIG-Scheduling.
Read more about Wei Huang

Faisal Masood

Faisal Masood is a cloud transformation architect at AWS. Faisal's focus is to assist customers in refining and executing strategic business goals. Faisal main interests are evolutionary architectures, software development, ML lifecycle, CD and IaC. Faisal has over two decades of experience in software architecture and development.
Read more about Faisal Masood

Mélony Qin

Mélony Y. QIN, also known as CloudMelon, is the founder of CloudMelon Vis, a tech media and educational platform for technopreneurs in the cloud-native and serverless space, and a former product manager at Microsoft. With a passion for cloud-native technologies, OSS, DevOps, Kubernetes, serverless, data, and AI, Mélony has authored multiple books, including the Certified Kubernetes Administrator (CKA) Exam Guide, the Kubernetes Workshop, and Microsoft Azure Infrastructure, all published by Packt Publishing. Mélony is a member of the Association for Computing Machinery (ACM) and the Project Management Institute (PMI), leveraging her extensive experience with diverse cloud technologies to drive innovation in the cloud-native, serverless, and generative AI space. She runs the CloudMelonVis YouTube channel and Cloud-Native Innovators newsletter, read by professionals from top tech companies such as Microsoft, Google, Amazon, Dell, and Carrefour.
Read more about Mélony Qin

Mohammed Abu Taleb

Mohammed Abu-Taleb works as a Technical Advisor at Microsoft. Working at Microsoft CSS team for troubleshooting complex issues and cases for premier customers that are using Azure Kubernetes Services (AKS). Prior that, Mohammed was a SME (subject matter expert) for the azure managed monitoring service (Azure Monitor) focusing on designing, deploying, and troubleshooting monitoring strategies for containers.
Read more about Mohammed Abu Taleb

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