Your point is flawless, I think the issue here (at least at my side) is that the workbench (which I tested in a bootcamp run by Cloudera an year ago) is pretty good, but isn't cheap also. For labs, developments and all that stuff it is not affordable for a small Company. In my case, my Company (consultancy) need to be able to develop a new product or service that makes use of ML techniques and would be best developed in a "shared notebook" fashion. The result would be probably sell to the customer together with the workbench, but of course we need to develop it first, with no guarantee of success. Although we are Cloudera resellers, there's no guarantee the Customer also wants to buy the CDSW license (maybe a "developer license" would cover this gap). That's why we need to switch to inexpensive software like Zeppelin and Livy to get the job done, at least in alpha stage. This is my point of view. Take care, O.
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