def service_time(self):
        #print self.node_monitor_address, self.completion_time - self.node_monitor_launch_time
        return (self.completion_time - self.node_monitor_launch_time)
Returns:
dataset/ETHPy150Open radlab/sparrow/src/main/python/parse_logs.py/Task.service_time--crossover with--dataset/ETHPy150Open meraki-analytics/cassiopeia/cassiopeia/type/core/stats.py/AggregatedStats.node_captures