Module metrics

Middlewares for adding metrics to services.

Supported metrics:

• In-flight requests: Measure the number of requests a service is currently processing.

Modules

• in_flight_requests
  Measure the number of in-flight requests.

Structs

• InFlightRequests
  Middleware that counts the number of in-flight requests.
• InFlightRequestsLayer
  Layer for applying InFlightRequests which counts the number of in-flight requests.