Apache Hivemall is a scalable machine learning library that runs on Apache Hive, Apache Spark, and Apache Pig. Hivemall is designed to be scalable to the number of training instances as well as the number of training features.
Find more examples on our user guide and find a brief introduction to Hivemall in this slide.
Support is through user@hivemall.incubator.apache.org, not by a direct e-mail.