Работают ли функции FlatMap и Map в Apache Beam для python параллельно?
(p
| 'GetJava' >> beam.io.ReadFromText(input)
| 'GetImports' >> beam.FlatMap(lambda line: startsWith(line, keyword))
| 'PackageUse' >> beam.FlatMap(lambda line: packageUse(line, keyword))
| 'TotalUse' >> beam.CombinePerKey(sum)
| 'Top_5' >> beam.transforms.combiners.Top.Of(5, by_value)
| 'write' >> beam.io.WriteToText(output_prefix)
)