Comparison of the Open Source OLAP Systems (Big Data): ClickHouse, Druid, Pinot Posted by jastix on Thursday February 01, 2018 @03:06PM from the medium.com dept. https://medium.com/@leventov/comparison-of-the-open-source-olap-systems-for-big-data-clickhouse-druid-and-pinot ( 2 comments | 7 points | on HN )