Statsbeat in Application Insights

  • Article

In many instances, Azure Monitor Application Insights automatically collects data about product usage for Azure through a feature called Statsbeat. This data is stored in a Azure data store and doesn't affect customers' monitoring volume and cost. Statsbeat collects essential and nonessential metrics about:

The three main purposes of Statsbeat are:

  • Service health and reliability - Monitoring the connectivity to the ingestion endpoint from an external perspective to ensure the service is functioning correctly.
  • Support diagnostics - Offering self-help insights and assisting customer support with diagnosing and resolving issues.
  • Product improvement - Gathering insights for Microsoft to optimize product design and enhance the overall user experience.

Note

Statsbeat doesn't support Azure Private Link.

Supported languages

Statsbeat .NET Java JavaScript Node.js Python
Essential Statsbeat
Network ❌ ✅ ❌ ✅ ✅
Attach ✔️* ✅ ❌ ✅ ✅
Feature ❌ ✅ ❌ ✅ ✅
Non-essential Statsbeat
Disk I/O failure ❌ ✅ ❌ ❌ ❌

* Not supported with Classic API or autoinstrumentation (OTel only)

Essential Statsbeat

Network Statsbeat

Metric name Unit Supported dimensions
Request Success Count Count Resource Provider, Attach Type, Instrumentation Key, Runtime Version, Operating System, Language, Version, Endpoint, Host
Requests Failure Count Count Resource Provider, Attach Type, Instrumentation Key, Runtime Version, Operating System, Language, Version, Endpoint, Host, Status Code
Request Duration Count Resource Provider, Attach Type, Instrumentation Key, Runtime Version, Operating System, Language, Version, Endpoint, Host
Retry Count Count Resource Provider, Attach Type, Instrumentation Key, Runtime Version, Operating System, Language, Version, Endpoint, Host, Status Code
Throttle Count Count Resource Provider, Attach Type, Instrumentation Key, Runtime Version, Operating System, Language, Version, Endpoint, Host, Status Code
Exception Count Count Resource Provider, Attach Type, Instrumentation Key, Runtime Version, Operating System, Language, Version, Endpoint, Host, Exception Type

Note

On March 31, 2025, support for instrumentation key ingestion will end. Instrumentation key ingestion will continue to work, but we'll no longer provide updates or support for the feature. Transition to connection strings to take advantage of new capabilities.

Attach Statsbeat

Metric name Unit Supported dimensions
Attach Count Resource Provider, Resource Provider Identifier, Attach Type, Instrumentation Key, Runtime Version, Operating System, Language, Version

Feature Statsbeat

Metric name Unit Supported dimensions
Feature Count Resource Provider, Attach Type, Instrumentation Key, Runtime Version, Feature, Type, Operating System, Language, Version

Nonessential Statsbeat

Track the Disk I/O failure when you use disk persistence for reliable telemetry.

Metric name Unit Supported dimensions
Read Failure Count Count Resource Provider, Attach Type, Instrumentation Key, Runtime Version, Operating System, Language, Version
Write Failure Count Count Resource Provider, Attach Type, Instrumentation Key, Runtime Version, Operating System, Language, Version

Disable Statsbeat

Statsbeat is enabled by default. It can be disabled by setting the environment variable APPLICATIONINSIGHTS_STATSBEAT_DISABLED to true.

Next steps