Good question. I'd like to know the same. Although I think you'll loose supportability.

Ruslan Dautkhanov

On Wed, Jul 8, 2015 at 2:03 AM, Ashish Dutt <> wrote:

I need to upgrade spark version 1.3 to version 1.4 on CDH 5.4.
I checked the documentation here but I do not see any thing relevant

Any suggestions directing to a solution are welcome.