Description
In 2.0 distinct was improved by removing values in the map and just passing an empty tuple along with the key. This can be further improved by adding a combiner step that passes along only the first empty tuple instead of all of them.
In 2.0 distinct was improved by removing values in the map and just passing an empty tuple along with the key. This can be further improved by adding a combiner step that passes along only the first empty tuple instead of all of them.