I want to install spark 2 , Already have spark 1.6 installed.Saprk 2 requires Scala 2.11 , Could not found any documentaion for scala upgrade , Even I could not found in my parcel list. For the reference My cluster details is CDH 5.9.0 , JDK 7 , Clodera Manager 5.9.0.   Reply Awaits ... View more