sample
Parameters
value
The sampling period of metric data points. For metrics which are written periodically, consecutive data points are stored at this time interval, excluding data loss due to errors. Metrics with a higher granularity have a smaller sampling period. In [duration format](https://developers.google.com/protocol-buffers/docs/reference/google.protobuf?&_ga=2.264881487.1507873253.1593446723-935052455.1591817775#google.protobuf.Duration).