wish of those help That's not good advice. At this point, there are very small number of use cases for which super columns are the best solution. The new CompositeTypes are a better solution for most of what super columns have been used for historically. With that said, it sounds like you don't need CompositeTypes here either. It's true that if you're reading a very large row, you shouldn't pull back the entire row at once. Instead, you should fetch portions of the row in contiguous slices.
How to set the column family size for a Hbase table column family?