Explanation High Concurrency clusters allow multiple users to run queries on the cluster at the same time, while minimizing query latency. Autoscaling clusters can reduce overall costs compared to a statically-sized cluster. References: https://docs.azuredatabricks.net/user-guide/clusters/create.html https://docs.azuredatabricks.net/user-guide/clusters/high-concurrency.html#high-concurrency https://docs.azuredatabricks.net/user-guide/clusters/terminate.html https://docs.azuredatabricks.net/user-guide/clusters/sizing.html#enable-and-configure-autoscaling