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Metric Labelling

Here is an overview of how we label metrics.

There are a couple of scenarios where labels are being added:

  • Built-in labels
  • Metric dimension labels
  • Scaler-specific labels
  • Bring-your-own labels

In case of duplicate label names the above priority will be used.

Built-in labels

Every metric that is being reported in the scraping endpoint comes with the following built-in labels:

  • resource_uri - Full resource URI of the instance. (ie subscriptions/xxx/resourceGroups/yyy/providers/Microsoft.ServiceBus/namespaces/promitor)
  • subscription_id - Id of the subscription.
  • resource_group - Name of the resource group.
  • instance_name - Name of the instance, if applicable.

Metric dimension labels

Metrics support specifying a dimension which will be scraped in Azure Monitor.

Every metric value will be reported under the configured metric name, but a label for the dimension and it's respective value will be added.

Scraper-specific labels

Every scraper can provide additional labels to provide more information.

Currently we support this for:

  • Azure API Management
  • Azure Function App
  • Azure Service Bus
  • Azure SQL Database
  • Azure Storage Queue
  • Azure Web App

For more information, we recommend reading the scraper-specific documentation.

Custom Labels

As of v1.0, you can define your own labels by configuring them for a specific metric.

For more information, see "Metrics".

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