How can i get NetworkIn and NetworkOut metrics in Amazon Lightsail?

Question

I am using amazon lightsail and i tried to get metrics of Instance using getInstanceMetricData API and also CLI.but I did not get Metric values for NetworkIn and NetworkOut.It returns only empty object.I attached a getInstanceMetricData request code.Is there any solution for this?
It's a code i tried :

Answer 1

Please check with start time it should be a instance metric generating graph at every 5 min then you try it at every 10 minutes, like that:

Long startDate1 = date.getTime() - (10 * 60 * 1000);

Seems to be working in that mode