Seeing blogs with info like the following suggests that add-unit should take an optional parameter (maybe -n and --num-units, there may be better options) to describe the number of units to add:
ensemble add-unit hadoop-slave ensemble add-unit hadoop-slave ensemble add-unit hadoop-slave ensemble add-unit hadoop-slave
Seeing blogs with info like the following suggests that add-unit should take an optional parameter (maybe -n and --num-units, there may be better options) to describe the number of units to add:
ensemble add-unit hadoop-slave
ensemble add-unit hadoop-slave
ensemble add-unit hadoop-slave
ensemble add-unit hadoop-slave