September 2024
Intermediate to advanced
204 pages
5h 3m
Spanish
Content preview from Guía de estudio del Administrador Certificado de Kubernetes (CKA)
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Capítulo 3. Cargas de trabajo
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Cuando hablamos de cargas de trabajo en Kubernetes, nos referimos a los tipos de recursos de la API que ejecutan una aplicación. Esos tipos de recursos API incluyen una Implementación, ReplicaSet, StatefulSet, DaemonSet, Job, CronJob y, por supuesto, el Pod. El plan de estudios del CKA es muy específico sobre los tipos de carga de trabajo con los que debes estar familiarizado. El examen sólo incluirá la Implementación, ReplicaSet y Pod. Tendrás que entender las funciones de replicación y despliegue gestionadas por una Implementación y comprender las primitivas de la API para inyectar datos de configuración en un Pod.
Nota
Este capítulo utilizará el concepto de volumen. Echa un vistazo al Capítulo 6 para obtener más información si no estás familiarizado con las opciones de almacenamiento persistente de Kubernetes.
A alto nivel, este capítulo abarca los siguientes conceptos:
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Conocimientos básicos de Implementaciones
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Funcionalidad de despliegue y retroceso de la Implementación
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Escalado manual y automático de las réplicas controlado por un ReplicaSet
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ConfigMap y Secreto
Gestión de cargas de trabajo con Implementaciones
En Kubernetes, una carga de trabajo se ejecuta en un Pod. Existen varios recursos API que gestionan uno o varios Pods. En esta sección, nos centraremos en los recursos de la API Implementación y ReplicaSet, que ...
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