Is it possible to publish your own metrics to CloudWatch?
Yes, but only if the data is aggregated.
No, it is not possible.
No, metrics are in-built and cannot be defined explicitly.
Yes, it can be done by using the put-metric-data command.
Explanations:
CloudWatch allows custom metrics, not just aggregated ones, to be published.
It is possible to publish custom metrics to CloudWatch.
CloudWatch allows users to define custom metrics explicitly.
Theput-metric-datacommand is used to publish custom metrics to CloudWatch.