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KubeWeekly #187: 2nd of October, 2019

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The Headlines

Editor’s picks of the highlights from the past week. 

Scalability Tuning on a Tess.IO Cluster
Yingnan Zhang, eBay

Kubernetes supports 5,000 nodes in one cluster – but only under certain conditions.  Numbers of resources, topologies or adding custom resources can cause the usable number to be much smaller.  Yingnan Zhang describes how eBay how configured Kubernetes to work with 5,000 nodes in the real world.

A Practical Guide to Setting Kubernetes Requests and Limits
Webb Brown, Kubecost

Setting requests and limits effectively can make or break application performance and reliability in Kubernetes. This set of guidelines and this new Kubecost tool can help you manage the inherent risks and tradeoffs when solutions like vertical pod autoscaling are not the right fit. Our recommendations combined cost data and health insights are available in Kubecost today to help you make informed decisions.

The Technical

Tutorials, tools, and more that take you on a deep dive into the code. 

Annotations in Kubernetes
Atul Mehrotra

Monitoring blocked and passthrough external service traffic
Neeraj Poddar, Aspen Mesh

Kubernetes Liveness Probes are Dangerous
Henning Jacobs, Zalando

Protecting Kubernetes API Against CVE-2019-11253 (Billion Laughs Attack) and Other Vulnerabilities
Karen Bruner and Malte Isberner, StackRox

Multitenancy on kubernetes with Istio, External Authentication Server and OpenID Connect (Part 1 — Authentication)
Maksym Lushpenko

Beyond Pods: how to orchestrate stateless apps in Kubernetes?
Abhishek Gupta

The Editorial

Articles, announcements, and morethatgive you a high-level overview of challenges and features. 

CRDs, Extensibility and API Machinery with Daniel Smith
Adam Glick and Craig Box, Kubernetes Podcast from Google

Weaveworks GitOps Policy Manager in Action
Anita Buehrle, Weaveworks

Guide to Anomaly Detection with Containers and Kubernetes
Connor Gorman, StackRox

How I Halved the Storage of Cortex
Bryan Boreham, Weaveworks

KubeVirt Joins Cloud Native Computing Foundation
Aubrey Muhlach, Red Hat

ServiceMeshCon 2019 Schedule Announced
CNCF

Declarative Data Infrastructure Powers the Data Driven 
Kiran Mova and Chuck Piercey, MayaData

How DENSO Is Fueling Development on the Vehicle Edge with Kubernetes
CNCF

Webinars

Upcoming webinars on cloud native technologies. 

Feeding the Kubernetes beast: bringing locality back to data workloads

Adit Madan, Project Maintainer @Alluxio

Oct 3, 2019 09:00 AM PT (UTC-7)
 

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The Cybernetics of Observability and Monitoring

William Louth, Complexity Scientist and ‘Thaumaturgist’ @Instana

Oct 8, 2019 10:00 AM PT (UTC-7)
 

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Contour – High performance ingress controller for Kubernetes

David Cheney, Tech Lead for Contour @VMware

Oct 10, 2019 9:00 AM PT (UTC-7)

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Enforce Image Compliance with Harbor

Michael Michael, Director of Product Management @VMware

Oct 15, 2019 10:00 AM PT (UTC-7)
 

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Kuma: Build, Secure and Observe Your Modern Service Mesh

Marco Palladino, CTO and Co-Founder @Kong

Oct 17, 2019 9:00 AM PT (UTC-7)

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What’s new in Kubernetes 1.16

The Kubernetes 1.16 Release Team

Oct 22, 2019 10:00 AM PT (UTC-7)
 

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Container Native Development Tools Compared: Draft, Skaffold, and Tilt

Mickey Boxell, Cloud Native Developer Advocate @Oracle

Oct 30, 2019 10:00 AM PT (UTC-7)

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KubeWeekly is curated by Bob Killen, Chris Short, Craig Box, Kim McMahon, and Michael Hausenblas

Please send submissions to kubeweekly@cncf.io 

Copyright © 2019 Cloud Native Computing Foundation, All rights reserved.