Apache Kylin is an open source Distributed Analytics Engine from eBay Inc. that provides SQL interface and multi-dimensional analysis (OLAP) on Hadoop supporting extremely large datasets
On Nov 25th, 2014, Kylin entered the incubation process to become an Apache project.
New Code Repo: https://github.com/apache/incubator-kylin
Apache Kylin Website: http://kylin.io
This site is retained for historical interest. The original README file is here.