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[ aws . pi ]

get-resource-metrics

Description

Retrieve Performance Insights metrics for a set of data sources, over a time period. You can provide specific dimension groups and dimensions, and provide aggregation and filtering criteria for each group.

See also: AWS API Documentation

See 'aws help' for descriptions of global parameters.

Synopsis

  get-resource-metrics
--service-type <value>
--identifier <value>
--metric-queries <value>
--start-time <value>
--end-time <value>
[--period-in-seconds <value>]
[--max-results <value>]
[--next-token <value>]
[--cli-input-json <value>]
[--generate-cli-skeleton <value>]

Options

--service-type (string)

The AWS service for which Performance Insights will return metrics. The only valid value for ServiceType is: RDS

Possible values:

  • RDS

--identifier (string)

An immutable, AWS Region-unique identifier for a data source. Performance Insights gathers metrics from this data source.

To use an Amazon RDS instance as a data source, you specify its DbiResourceId value - for example: db-FAIHNTYBKTGAUSUZQYPDS2GW4A

--metric-queries (list)

An array of one or more queries to perform. Each query must specify a Performance Insights metric, and can optionally specify aggregation and filtering criteria.

Shorthand Syntax:

Metric=string,GroupBy={Group=string,Dimensions=[string,string],Limit=integer},Filter={KeyName1=string,KeyName2=string} ...

JSON Syntax:

[
  {
    "Metric": "string",
    "GroupBy": {
      "Group": "string",
      "Dimensions": ["string", ...],
      "Limit": integer
    },
    "Filter": {"string": "string"
      ...}
  }
  ...
]

--start-time (timestamp)

The date and time specifying the beginning of the requested time series data. You can't specify a StartTime that's earlier than 7 days ago. The value specified is inclusive - data points equal to or greater than StartTime will be returned.

The value for StartTime must be earlier than the value for EndTime .

--end-time (timestamp)

The date and time specifiying the end of the requested time series data. The value specified is exclusive - data points less than (but not equal to) EndTime will be returned.

The value for EndTime must be later than the value for StartTime .

--period-in-seconds (integer)

The granularity, in seconds, of the data points returned from Performance Insights. A period can be as short as one second, or as long as one day (86400 seconds). Valid values are:

  • 1 (one second)
  • 60 (one minute)
  • 300 (five minutes)
  • 3600 (one hour)
  • 86400 (twenty-four hours)

If you don't specify PeriodInSeconds , then Performance Insights will choose a value for you, with a goal of returning roughly 100-200 data points in the response.

--max-results (integer)

The maximum number of items to return in the response. If more items exist than the specified MaxRecords value, a pagination token is included in the response so that the remaining results can be retrieved.

--next-token (string)

An optional pagination token provided by a previous request. If this parameter is specified, the response includes only records beyond the token, up to the value specified by MaxRecords .

--cli-input-json (string) Performs service operation based on the JSON string provided. The JSON string follows the format provided by --generate-cli-skeleton. If other arguments are provided on the command line, the CLI values will override the JSON-provided values. It is not possible to pass arbitrary binary values using a JSON-provided value as the string will be taken literally.

--generate-cli-skeleton (string) Prints a JSON skeleton to standard output without sending an API request. If provided with no value or the value input, prints a sample input JSON that can be used as an argument for --cli-input-json. If provided with the value output, it validates the command inputs and returns a sample output JSON for that command.

See 'aws help' for descriptions of global parameters.

Examples

To get resource metrics

This example requests data points for the db.wait_event dimension group, and for the db.wait_event.name dimension within that group. In the response, the relevant data points are grouped by the requested dimension (db.wait_event.name).

Command:

aws pi get-resource-metrics --service-type RDS --identifier db-LKCGOBK26374TPTDFXOIWVCPPM --start-time 1527026400 --end-time 1527080400 --period-in-seconds 300 --metric db.load.avg --metric-queries file://metric-queries.json

The arguments for --metric-queries are stored in a JSON file, metric-queries.json. Here are the contents of that file:

[
    {
        "Metric": "db.load.avg",
        "GroupBy": {
            "Group":"db.wait_event"
        }
    }
]

Output:

{
    "AlignedEndTime": 1.5270804E9,
    "AlignedStartTime": 1.5270264E9,
    "Identifier": "db-LKCGOBK26374TPTDFXOIWVCPPM",
    "MetricList": [
        {
            "Key": {
                "Metric": "db.load.avg"
            },
            "DataPoints": [
                {
                    "Timestamp": 1527026700.0,
                    "Value": 1.3533333333333333
                },
                {
                    "Timestamp": 1527027000.0,
                    "Value": 0.88
                },
                <...remaining output omitted...>
            ]
        },
        {
            "Key": {
                "Metric": "db.load.avg",
                "Dimensions": {
                    "db.wait_event.name": "wait/synch/mutex/innodb/aurora_lock_thread_slot_futex"
                }
            },
            "DataPoints": [
                {
                    "Timestamp": 1527026700.0,
                    "Value": 0.8566666666666667
                },
                {
                    "Timestamp": 1527027000.0,
                    "Value": 0.8633333333333333
                },
                <...remaining output omitted...>
            ],
        },
            <...remaining output omitted...>
    ]
}

Output

AlignedStartTime -> (timestamp)

The start time for the returned metrics, after alignment to a granular boundary (as specified by PeriodInSeconds ). AlignedStartTime will be less than or equal to the value of the user-specified StartTime .

AlignedEndTime -> (timestamp)

The end time for the returned metrics, after alignment to a granular boundary (as specified by PeriodInSeconds ). AlignedEndTime will be greater than or equal to the value of the user-specified Endtime .

Identifier -> (string)

An immutable, AWS Region-unique identifier for a data source. Performance Insights gathers metrics from this data source.

To use an Amazon RDS instance as a data source, you specify its DbiResourceId value - for example: db-FAIHNTYBKTGAUSUZQYPDS2GW4A

MetricList -> (list)

An array of metric results,, where each array element contains all of the data points for a particular dimension.

(structure)

A time-ordered series of data points, correpsonding to a dimension of a Performance Insights metric.

Key -> (structure)

The dimension(s) to which the data points apply.

Metric -> (string)

The name of a Performance Insights metric to be measured.

Valid values for Metric are:

  • db.load.avg - a scaled representation of the number of active sessions for the database engine.
  • db.sampledload.avg - the raw number of active sessions for the database engine.

Dimensions -> (map)

The valid dimensions for the metric.

key -> (string)

value -> (string)

DataPoints -> (list)

An array of timestamp-value pairs, representing measurements over a period of time.

(structure)

A timestamp, and a single numerical value, which together represent a measurement at a particular point in time.

Timestamp -> (timestamp)

The time, in epoch format, associated with a particular Value .

Value -> (double)

The actual value associated with a particular Timestamp .

NextToken -> (string)

An optional pagination token provided by a previous request. If this parameter is specified, the response includes only records beyond the token, up to the value specified by MaxRecords .