Crawly.Middlewares.UniqueRequest (Crawly v0.17.0) View Source

Avoid scheduling multiple requests for the same page. Allow to set a hashing algorithm via options to reduce the memory footprint. Be aware of reduced collision resistance, depending on the chosen algorithm.

Example Declarations

middlewares: [
middlewares: [
  {Crawly.Middlewares.UniqueRequest, hash: :sha}

See the Erlang documentation for crypto for available algorithms.

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Link to this section Functions

Link to this function

run(request, state, opts \\ [])

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