No, it's not. Read the docs[1] - sqlite is the default.
"Lightweight datastore based on sqlite3 as the default storage backend. etcd3, MySQL, and Postgres are also available."
[1]https://docs.k3s.io/
This thread is about using multi-machine clusters, and sqlite cannot be used for multi-machine clusters in k3s. etcd is the default when starting k3s in cluster mode [1].
[1] https://docs.k3s.io/datastore
This thread is about using multi-machine clusters, and sqlite cannot be used for multi-machine clusters in k3s. etcd is the default when starting k3s in cluster mode [1].
[1] https://docs.k3s.io/datastore