Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
The DevOps 2.5 Toolkit

You're reading from   The DevOps 2.5 Toolkit Monitoring, Logging, and Auto-Scaling Kubernetes: Making Resilient, Self-Adaptive, And Autonomous Kubernetes Clusters

Arrow left icon
Product type Paperback
Published in Nov 2019
Publisher Packt
ISBN-13 9781838647513
Length 322 pages
Edition 1st Edition
Concepts
Arrow right icon
Author (1):
Arrow left icon
Viktor Farcic Viktor Farcic
Author Profile Icon Viktor Farcic
Viktor Farcic
Arrow right icon
View More author details
Toc

Table of Contents (9) Chapters Close

1. Autoscaling Deployments and StatefulSets Based on Resource Usage FREE CHAPTER 2. Auto-scaling Nodes of a Kubernetes Cluster 3. Collecting and Querying Metrics and Sending Alerts 4. Debugging Issues Discovered Through Metrics and Alerts 5. Extending HorizontalPodAutoscaler with Custom Metrics 6. Visualizing Metrics and Alerts 7. Collecting and Querying Logs 8. What Did We Do? 9. Other Books You May Enjoy

Collecting and Querying Metrics and Sending Alerts

Insufficient facts always invite danger.

- Spock

So far, we explored how to leverage some of Kubernetes core features. We used HorizontalPodAutoscaler and Cluster Autoscaler. While the former relies on Metrics Server, the latter is not based on metrics, but on Scheduler's inability to place Pods within the existing cluster capacity. Even though Metrics Server does provide some basic metrics, we are in desperate need for more.

We have to be able to monitor our cluster and Metrics Server is just not enough. It contains a limited amount of metrics, it keeps them for a very short period, and it does not allow us to execute anything but simplest queries. I can't say that we are blind if we rely only on Metrics Server, but that we are severely impaired. Without increasing the number of metrics we're collecting, as well...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime
Banner background image