Multi-user notebook with user controls support

Due to the websockets implementation, every clients connected to a notebook will receive the same information with the same updates.

In most of cases, this is a nice feature (notebook without user interaction).

But when using a notebook with user controls, it becomes completely wrong!

Let's suppose a notebook showing a chart with a date filter (begin and end dates). If two users are connected to the same notebook, both will see the same chart while they shouldn't.

Zeppelin should propose an option or a feature to allow isolation of a notebook per session or per client or eventually per user?

Due to that aspect, Zeppelin is unusable in our case.

Please, can you provide some information about that blocker issue. Some other people have the same issue.

The multi-tenancy support in Zeppelin does not really solve the current issue.