January 2026
Intermediate to advanced
392 pages
9h 33m
French
book
Guide d'étude de l'administrateur Kubernetes certifié (CKA) (French Edition), 2nd Edition
by Benjamin Muschko
Content preview from Guide d'étude de l'administrateur Kubernetes certifié (CKA) (French Edition), 2nd Edition
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Chapitre 22. Dépannage des clusters
Cet ouvrage a été traduit à l'aide de l'IA. Tes réactions et tes commentaires sont les bienvenus : translation-feedback@oreilly.com
Quand une infrastructure de cluster Kubernetes a des problèmes, ça peut être vraiment grave. Les pods ne se planifient plus, les applis deviennent inaccessibles et des nœuds entiers disparaissent du cluster, ce qui peut toucher des centaines de charges de travail en même temps. Contrairement aux problèmes spécifiques aux applis qui peuvent toucher un seul service, les soucis avec les composants et les nœuds du cluster touchent les bases mêmes de ton environnement Kubernetes. Il est donc super important de les diagnostiquer et de les résoudre rapidement pour que le système reste disponible.
Ce chapitre te donne les compétences nécessaires pour résoudre ces problèmes au niveau de l'infrastructure. Tu vas apprendre à décoder les conditions des nœuds, à comprendre pourquoi les nœuds passent à l'état NotReady, à résoudre les situations de pression sur les ressources et à remonter à la source des échecs de planification des pods.
Vérifier l'état des nœuds du cluster
Il y a plein de facteurs qui peuvent rendre l' e d'un cluster Kubernetes défectueuse au niveau des composants. C'est une bonne idée de lister les nœuds disponibles dans le cluster pour ...
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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.