K3s is a lightweight version of Kubernetes. It is a highly available Kubernetes certified distribution designed for production workloads in unattended, limited resource, remote locations, or inside an IoT appliance. The developers of K3s declare that K3s is capable of almost everything that K8s can do.

So, what makes it such a lightweight distribution?

The memory usage is reduced by running many components within a single process. This eliminates the significant overhead that would otherwise be duplicated for each component. The binary file size is smaller by removing third-party storage drivers and cloud service providers.

• Running it requires less memory.
• A small, 40Mb binary file that contains all the non-container components for starting a cluster.

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