Google original dataflow paper
https://research.google/pubs/pub43864/
intro vid by google
https://www.youtube.com/watch?v=owTuuVt6Oro
programming model
https://cloud.google.com/dataflow/docs/concepts/beam-programming-model
programming guide with snippets https://beam.apache.org/documentation/programming-guide/
python-based pipleine examples
https://github.com/apache/beam/blob/master/sdks/python/apache_beam/examples
https://github.com/chollinger93/beam-examples/blob/master/python/
common use-case patterns
https://cloud.google.com/blog/products/data-analytics/guide-to-common-cloud-dataflow-use-case-patterns-part-1
https://cloud.google.com/blog/products/data-analytics/guide-to-common-cloud-dataflow-use-case-patterns-part-2
java-based templates collection