January 2019
Intermediate to advanced
484 pages
11h 48m
English
Content preview from DevOps with Kubernetes - Second Edition
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DaemonSet
DaemonSet is a controller designed for system daemons, as its name suggests. Consequently, a DaemonSet controller launches and maintains exactly one pod per node; the total number of pods launched by a DaemonSet controller adheres to the number of nodes in a cluster. Due to this limitation, updating DaemonSet isn't as straightforward as updating a deployment. For instance, deployment has a maxSurge parameter (.spec.strategy.rollingUpdate.maxSurge) that controls how many redundant pods over the desired number can be created during updates, but we can't employ the same strategy for pods managed by DaemonSet. Because daemon pods usually come with special concerns that might occupy a host's resources, such as ports, it could result ...
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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.