In Golang, what is the process for saving traces when dealing with asynchronous operations?

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When dealing with asynchronous operations in Golang, the process for saving traces involves the use of a distributed tracing system like OpenTelemetry or Jaeger.

The process typically involves the following steps:

1. Instrumentation: Instrument the code with tracing frameworks like OpenTelemetry or Jaeger. This allows the application to create trace information, which includes information about the execution of each operation.

2. Context propagation: Implement context propagation so that the context of the trace can flow through asynchronous calls. Context propagation ensures that the same trace is used across different processes or services.

3. Exporting: Set up a tracing backend to export trace data. This can be a local or remote service such as Jaeger or Zipkin.

4. Viewing: Access the trace data from the distributed tracing system to examine and diagnose the behavior of the application and its dependencies on each trace.

By following these steps, developers can track asynchronous operations in Golang, troubleshoot potential issues, and optimize the performance of their applications.