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read method

Written by
Updated at March 14, 2023

Returns data on metrics.

HTTP request

POST https://monitoring.api.cloud.yandex.net/monitoring/v2/data/read

Query parameters

Parameter Description
folderId Required field. ID of the folder that the metric belongs to. Maximum string length: 50 characters.

Parameters in the request body

{
  "query": "string",
  "fromTime": "string",
  "toTime": "string",
  "downsampling": {
    "gridAggregation": "string",
    "gapFilling": "string",

    // `downsampling` includes only one of the fields `maxPoints`, `gridInterval`, `disabled`
    "maxPoints": "string",
    "gridInterval": "string",
    "disabled": true,
    // end of the list of possible `downsampling` fields

  }
}
Field Description
query string

Required field. Query text. The syntax is described in Query language in Monitoring.
fromTime string (date-time)

Required field. Interval starting point in RFC3339 format.

String in RFC3339 format.
toTime string (date-time)

Required field. Interval end point in RFC3339 format.

String in RFC3339 format.
downsampling object

Required field. Downsampling parameters.
downsampling.
gridAggregation		 string
An aggregation function that is used for decimation.

List of available aggregation functions used for decimation.

  • MAX: Maximum.
  • MIN: Minimum.
  • SUM: Sum.
  • AVG: Average value. Default value.
  • LAST: Last value.
  • COUNT: Point count.
downsampling.
gapFilling		 string
Parameters for filling in missing data.

List of methods for filling in missing data under decimation.

  • NULL: Returns null as a metric value and timestamp as a timestamp. Default value.
  • NONE: Returns no values.
  • PREVIOUS: Returns the value from the previous data point.
downsampling.
maxPoints		 string (int64)
downsampling only includes one of the maxPoints, gridInterval, disabled fields

Maximum number of points to be received in response to a request.

The value must be greater than 10.
downsampling.
gridInterval		 string (int64)
downsampling only includes one of the maxPoints, gridInterval, disabled fields

Time window (grid) in milliseconds. Used for downsampling. Points inside the window are combined into one using the aggregation function.

The value must be greater than 0.
downsampling.
disabled		 boolean (boolean)
downsampling only includes one of the maxPoints, gridInterval, disabled fields

Indicates that the data in the response to the query will be returned without downsampling.

Response

HTTP Code: 200 - OK

{
  "metrics": [
    {
      "name": "string",
      "labels": "object",
      "type": "string",
      "timeseries": {
        "timestamps": [
          "number"
        ],
        "doubleValues": [
          "number"
        ],
        "int64Values": [
          "number"
        ]
      }
    }
  ]
}
Field Description
metrics[] object

List of the metrics with time points.
metrics[].
name		 string

Metric name.
metrics[].
labels		 object

List of metric labels in key:value format.
metrics[].
type		 string

Type of metric.

  • DGAUGE: Numeric value. Set as a fractional number.
  • GAUGE: Numeric value. Set as an integer.
  • COUNTER: Counter.
  • RATE: Derivative.
metrics[].
timeseries		 object

Metric values.
metrics[].
timeseries.
timestamps[]		 number (int64)

List of timestamps in Unix millisecond format.
metrics[].
timeseries.
doubleValues[]		 number (double)

List of fractional metric values.
metrics[].
timeseries.
int64Values[]		 number (int64)

List of integer metric values. Only available for metrics of the IGAUGE type.
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