Deciding the size of Kubernetes clusters is a foundational question that impacts long-term operations. The article advocates for the 'One Giant Cluster Approach,' emphasizing its benefits like better resource utilization and lower operational overhead. Larger clusters enhance resource management, preventing scenarios of uneven load distribution and increasing efficiency. Moreover, managing a single cluster simplifies operational tasks including backup, monitoring, and security protocols. This reduces administrative burdens and streamlines operations, making it a preferable choice over multiple smaller clusters, which can lead to wasted resources and higher complexity.
The ideal size of your Kubernetes clusters is a day 0 question and demands a definite answer.
If you split the cluster into multiple clusters, you lose the benefit of better resource utilization.
Good Kubernetes practices mandate that you back up your etcd data, monitor your cluster metrics, log your cluster events, provide security-related tools.
It's more time-effective to operate fewer clusters, simplifying management and resource allocation.
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