Kubernetes clusters require maintenance to ensure that nodes, PODs, and other resources operate optimally. Cluster maintenance practices fall under three broad categories:  * Operating System Upgrades,  * Cluster Upgrades, and  * Backup & Restore Methodologies.   This post takes the candidate through various cluster maintenance processes, including upgrading the Operating System, the implications of evicting

Introduction to Lifecycle Management  When deploying a Kubernetes application into production, there are several strategies to stage and update cluster resources. Users expect the application to be constantly available, while developers also need to be performing constant changes and updates to the application. The most popular strategy involves Rolling Updates-

In Kubernetes clusters, Schedulers are the control plane elements that ensure pods are assigned to the right nodes where they will run on the Kubelet service. The Scheduler process monitors newly created pods and allocates them to nodes based on specific scheduling requirements. Scheduling was introduced in the previous section