Apache Kylin™ is an open source Distributed Analytics Engine designed to provide SQL interface and multi-dimensional analysis (OLAP) on Hadoop supporting extremely large datasets, original contributed from eBay Inc.
Apache Kylin™ lets you query massive data set at sub-second latency in 3 steps.
Identify a Star Schema on Hadoop. Build Cube from the identified tables. Query with ANSI-SQL and get results in sub-second, via ODBC, JDBC or RESTful API.