Splunk® Data Stream Processor

Function Reference

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Send data to SignalFx (metric)

Send metric data to a SignalFx endpoint. See Create a connection to SignalFx for more information about creating a SignalFx connection.

This is a connector-based function. To use it, you must first create a SignalFx connection. Use that connection_id as an argument for this function.

Function input schema

This function takes in collections of records with schema R.

Required arguments

Syntax: string
Description: The SignalFx connection ID.
Example: "576205b3-f6f5-4ab7-8ffc-a4089a95d0c4"
Syntax: expression<string>
Description: The SignalFx metric name.
Example: "my_metric_name"
Syntax: expression<double>
Description: The SignalFx metric value.
Example: 0.33
Syntax: expression<string>
Description: The SignalFx metric type. This can be set to:

This argument is case-sensitive and must be uppercase.

Example: "COUNTER"

Optional arguments

Syntax: expression<long>
Description: The time associated with the SignalFx metric, measured in milliseconds. If a timestamp is not available, the ingest time is used as the timestamp
Example: 1583864717233L
Syntax: expression<map<string, string>>
Description: Defaults to empty { }. JSON key-value pairs that describe a SignalFx metric.
Example: {"my_dimension": "1"}
Syntax: map<string, string>
Description: Defaults to empty { }. Key-value pairs that can be passed to SignalFx. This can be set to:
  • batch_size: The maximum number of elements to flush. The batch size can range between 50 and 25,000 elements. The default value is 2000.
  • batch_interval_msecs: The maximum time to wait before flushing. The batch size interval can range between 50 and 100,000 milliseconds. The default value is 2000.
Example: batch_size = 20000

SPL2 example

You can write the function by listing the arguments in this exact order.

...| into signalfx("connection_id", "my_metric_name", 0.33, "COUNTER", 1583864717233L, {"my_dimension": "1"}, {"batch_size": "20000", "batch_interval_msecs": "10000"});

Alternatively, you can use named arguments in any order and leave out optional arguments you don't want to declare. All unprovided arguments use their default values. See SPL2 syntax for more details. The following example declares only the parameters optional argument.

...| into signalfx("connection_id", "my_metric_name", 0.33, "COUNTER", parameters: {"batch_size": "20000", "batch_interval_msecs": "10000"});

Port requirements

The Send Metrics Data to SignalFx function sends HTTP requests to the SignalFx endpoint via a dynamic or ephemeral port. Your local firewall configuration must be set up to allow outgoing HTTP traffic from at least one of the ports in the range of dynamic or ephemeral ports allocated by your operating system. These ports typically range from 49152 to 65535, but this can be different depending on the specific operating system you are using.

Last modified on 10 November, 2020
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This documentation applies to the following versions of Splunk® Data Stream Processor: 1.2.0

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