We use an innovative approach to balance the load among the reduce tasks which supports the split of large keys when application semantics permit. Fig. 1 shows that with our LIBRA method, each reducer processes roughly the same amount of data.
We use an innovative approach to balance the loadamong the reduce tasks which supports the split oflarge keys when application semantics permit. Fig. 1shows that with our LIBRA method, each reducerprocesses roughly the same amount of data.