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record_custom_metrics (Python agent API)

Syntax

newrelic.agent.record_custom_metrics(metrics, application=None)

Records a set of custom metrics.

Description

This call records a set of custom metrics. To record a single custom metric, see record_custom_metric.

The passed metrics can be any iterable object that yields (name, value) tuples. For example:

def metrics(): yield 'Custom/Value-1', 1 yield 'Custom/Value-2', 2 yield 'Custom/Value-3', 3newrelic.agent.record_custom_metrics(metrics())

There are no restrictions on setting the name, but it's recommended you use a Custom/ prefix. The custom metric value can be a numeric, or can be a dictionary corresponding to an already-aggregated data sample. For more about the name and value rules, see record_custom_metric.

Parameters

Parameter

Description

metrics

iterable object

Required. Set of metric values, which can be in the form of any iterable object that yields (name, value) tuples. See record_custom_metric parameters for more information about name and value rules and suggestions.

application

string

Optional. If the application is the default value of None, the agent associates the custom metrics with the parent app of the current transaction. Thus, you should provide the application unless this method is used in code for a web transaction or background task.

Return values

None.

Examples

Recording custom metrics

def metrics():
yield 'Custom/Value-1', 1
yield 'Custom/Value-2', 2
yield 'Custom/Value-3', 3
newrelic.agent.record_custom_metrics(metrics())

View and use custom metrics

To view custom metrics, use the data explorer to search and filter for custom metrics, create customizable charts, and add those charts to New Relic dashboards. You can use our REST API to programmatically retrieve and use custom metric data outside of the UI. It is also possible to create custom metric alert conditions to notify you or your team when your custom metric exceeds specific values.

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