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Apache Beam - How to control/limit the concurrency process of ParDo ? (programming.dev)

submitted 6 months ago by hahattpro@programming.dev to c/ask_experienced_devs@programming.dev

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The problem is I am using beam.ParDo to call api, to enrich my data.

pipeline | "read_csv" >> beam.io.ReadFromCsv("...") 
                | "get_info_api" >> beam.ParDo(GetApiDoFN()) 
                | "write_output" >>  beam.io.WriteToBigQuery(...)

The problem is that api have limit. I need a way to control so it do not overload api or get 429 error.

I would like to set api call should not exceed 4 call / second.

How should I do it ?

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