com.twitter.summingbird.scalding
Use this when you have written JUST BEFORE the store.
This is a service that has a finite memory.
A UniqueKeyedService covers the case where Keys are globally unique and either are not present or have one value.
More familiar interface to scalding users that creates the Reader from two other methods
A UniqueKeyedService covers the case where Keys are globally unique and either are not present or have one value.