January 2019
Intermediate to advanced
484 pages
11h 48m
English
Content preview from DevOps with Kubernetes - Second Edition
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Terminating a pod
The sequence of shutdown events is similar to events while starting a pod. After receiving a deletion invocation, Kubernetes sends SIGTERM to the pod that is going to be deleted, and the pod's state becomes terminating. Meanwhile, Kubernetes removes the endpoint of that pod to stop further requests if the pod is backing a service. Occasionally, there are pods that don't quit at all. It could be that the pods don't honor SIGTERM, or simply because their tasks aren't completed. Under such circumstances, Kubernetes will send SIGKILL to forcibly kill those pods after the termination period. The period length is set at .spec.terminationGracePeriodSeconds under the pod specification. Even though Kubernetes has mechanisms to reclaim ...
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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.