encodingType
The type of encoding you are using:
RLE_DICTIONARYuses a combination of bit-packing and run-length encoding to store repeated values more efficiently. This is the default.PLAINdoesn't use encoding at all. Values are stored as they are.PLAIN_DICTIONARYbuilds a dictionary of the values encountered in a given column. The dictionary is stored in a dictionary page for each column chunk.