def remote_heartbeat(self):
        #log.msg("someone is heartbeating me")
        return True
Retrieves the Key for a mapreduce ID.
dataset/ETHPy150Open selfsk/nodeset.core/src/nodeset/core/node.py/_Node.remote_heartbeat--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/ext/mapreduce/model.py/MapreduceControl.get_key_by_job_id