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InterviewSolution
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Why should namespaces be used? How does using the default namespace cause problems? |
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Answer» Over the course of time, using the default namespace alone is proving to be difficult, since you are unable to get a good overview of all the applications you can manage within the cluster as a whole. The namespaces allow applications to be organized into groups that make sense, such as a namespace for all monitoring applications and another for all security applications. Additionally, namespaces can be used for managing Blue/Green environments, in which each namespace contains its own version of an app as well as sharing resources with other namespaces (such as logging or monitoring). It is also possible to have one cluster with multiple teams using namespaces. The use of the same cluster by multiple teams may lead to conflict. Suppose they end up creating an app that has the same name, this means that one team will override the app created by the other team as Kubernetes prohibits two apps with the same name (within the same namespace). |
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