As far as I remember, mostly Flume (open sourced as Apache Beam and also known a...

		atombender on June 14, 2020 \| parent \| context \| favorite \| on: Readings in Database Systems, 5th Edition (2015) As far as I remember, mostly Flume (open sourced as Apache Beam and also known as Cloud Dataflow on GCP). Flume/Beam still provides map/reduce as operations, mind you, but with a much richer processing model.