January 2019
Intermediate to advanced
484 pages
11h 48m
English
Content preview from DevOps with Kubernetes - Second Edition
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Starting a pod
By default, Kubernetes moves a pod's state to Running as soon as a pod launches. If the pod is behind a service, the endpoint controller registers an endpoint to Kubernetes immediately. Later on, kube-proxy observes the change of endpoints and configures the host's ipvs or iptables accordingly. Requests from the outside world now go to pods. These operations happen very quickly, so it's quite possible that requests arrive at a pod before the application is ready, especially with bulky software. If a pod fails while running, we should remove it from the pool of a service instantly to make sure no requests reach a bad endpoint.
The minReadySeconds field of deployment and other controllers doesn't postpone a pod from becoming ...
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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.
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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.