OpenTelemetry .NET

The .NET OpenTelemetry client.

Supported .NET Versions

Packages shipped from this repository generally support all the officially supported versions of .NET and .NET Framework (an older Windows-based .NET implementation), except .NET Framework 3.5. Any exceptions to this are noted in the individual README.md files.

Project Status

Stable across all 3 signals i.e. Logs, Metrics, and Traces.

See Spec Compliance Matrix to understand which portions of the specification has been implemented in this repo.

Getting Started

If you are new here, please read the getting started docs:

This repository includes multiple installable components, available on NuGet. Each component has its individual README.md file, which covers the instruction on how to install and how to get started. To find all the available components, please take a look at the src folder.

Here are the most commonly used components:

Here are the instrumentation libraries:

ASP.NET Core
gRPC client: Grpc.Net.Client
HTTP clients: System.Net.Http.HttpClient and System.Net.HttpWebRequest
SQL clients: Microsoft.Data.SqlClient and System.Data.SqlClient

Here are the exporter libraries:

See the OpenTelemetry registry and OpenTelemetry .NET Contrib repo for more components.

Troubleshooting

See Troubleshooting. Additionally check readme file for the individual components for any additional troubleshooting information.

Extensibility

OpenTelemetry .NET is designed to be extensible. Here are the most common extension scenarios:

Building a custom instrumentation library.
Building a custom exporter for logs, metrics and traces.
Building a custom processor for logs and traces.
Building a custom sampler for traces.

Contributing

See CONTRIBUTING.md

We meet weekly on Tuesdays, and the time of the meeting alternates between 9AM PT and 4PM PT. The meeting is subject to change depending on contributors' availability. Check the OpenTelemetry community calendar for specific dates and for Zoom meeting links.

Meeting notes are available as a public Google doc. If you have trouble accessing the doc, please get in touch on Slack.

The meeting is open for all to join. We invite everyone to join our meeting, regardless of your experience level. Whether you're a seasoned OpenTelemetry developer, just starting your journey, or simply curious about the work we do, you're more than welcome to participate!

Maintainers (@open-telemetry/dotnet-maintainers):

Alan West, New Relic
Mikel Blanchard, Microsoft
Utkarsh Umesan Pillai, Microsoft

Approvers (@open-telemetry/dotnet-approvers):

Cijo Thomas, Microsoft
Reiley Yang, Microsoft
Vishwesh Bankwar, Microsoft

Triagers (@open-telemetry/dotnet-triagers):

Martin Thwaites, Honeycomb

Emeritus Maintainer/Approver/Triager:

Thanks to all the people who have contributed

Release Schedule

See the project milestones for details on upcoming releases. The dates and features described in issues and milestones are estimates, and subject to change.

See the release notes for existing releases.

Caution

Certain components, marked as pre-release, are still work in progress and can undergo breaking changes before stable release. Check the individual README.md file for each component to understand its current state.

Daily builds from this repo are published to MyGet, and can be installed from this source.

License

AB027PS/opentelemetry-dotnet

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