Given a RDD of keys and the number of requested table's regions, returns an array of keys that are start keys of the table's regions.
Given a RDD of keys and the number of requested table's regions, returns an array of keys that are start keys of the table's regions. The array length is regionsCount-1 since the start key of the first region is not needed (since it does not determine a split)
RDD of strings representing row keys
number of regions
a sorted sequence of start keys
Utilities for dealing with HBase tables