TimeInterval

A closed time interval. It extends from the start time to the end time, and includes both: [startTime, endTime]. Valid time intervals depend on the MetricKind of the metric value. In no case can the end time be earlier than the start time.

  • For a GAUGE metric, the startTime value is technically optional; if no value is specified, the start time defaults to the value of the end time, and the interval represents a single point in time. If both start and end times are specified, they must be identical. Such an interval is valid only for GAUGE metrics, which are point-in-time measurements.

  • For DELTA and CUMULATIVE metrics, the start time must be earlier than the end time.

  • In all cases, the start time of the next interval must be at least a microsecond after the end time of the previous interval. Because the interval is closed, if the start time of a new interval is the same as the end time of the previous interval, data written at the new start time could overwrite data written at the previous end time.

JSON representation
{
  "endTime": string,
  "startTime": string
}
Fields
endTime

string (Timestamp format)

Required. The end of the time interval.

A timestamp in RFC3339 UTC "Zulu" format, accurate to nanoseconds. Example: "2014-10-02T15:01:23.045123456Z".

startTime

string (Timestamp format)

Optional. The beginning of the time interval. The default value for the start time is the end time. The start time must not be later than the end time.

A timestamp in RFC3339 UTC "Zulu" format, accurate to nanoseconds. Example: "2014-10-02T15:01:23.045123456Z".

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