November 2019
Intermediate to advanced
322 pages
7h 3m
English
Content preview from The DevOps 2.5 Toolkit
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Auto-scaling Nodes of a Kubernetes Cluster
May I say that I have not thoroughly enjoyed serving with humans? I find their illogic and foolish emotions a constant irritant.
- Spock
Usage of HorizontalPodAutoscaler (HPA) is one of the most critical aspects of making a resilient, fault-tolerant, and highly-available system. However, it is of no use if there are no nodes with available resources. When Kubernetes cannot schedule new Pods because there's not enough available memory or CPU, new Pods will be unschedulable and in the pending status. If we do not increase the capacity of our cluster, pending Pods might stay in that state indefinitely. To make things more complicated, Kubernetes might start removing other Pods to make room for those ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.