How many users can the JDBC endpoint support in the All Purpose HC?

[HowardWong]

What is the max number of users can the JDBC endpoint support in the All Purpose high concurrency cluster? To support more sql workloads, is it better to go with Databricks Sql Enpoints?

[Ryan_Chynoweth]

There is a limit an execution context limit of 145. This means you can have at most 145 notebooks attached to a cluster.

https://kb.databricks.com/execution/maximum-execution-context.html

If you are primarily using SQL then Databricks SQL Endpoints would be a better option from a performance and cost point of view.