def reducer(stream): dow_mean_delay = mapred.mean_accumulator_reducer(stream) for dow, mean_count in dow_mean_delay.iteritems(): mapred.send(dow, mean_count)
def reducer(stream): depdest_carr_mean_delay = mapred.mean_accumulator_reducer(stream) for (origin, dest, carrier), mean_count in depdest_carr_mean_delay.iteritems(): mapred.send((origin, dest, carrier), mean_count)
def reducer(stream): carrier_mean_delay = mapred.mean_accumulator_reducer(stream) for carrier, mean_count in carrier_mean_delay.iteritems(): mapred.send(carrier, mean_count)