http:/kylin.io Apache Kylin Introduction Dec 14, 2014 韩卿 Luke Han Co-creator of Apache Kylin | lukehanapache.org Sr. Product Manager, eBay CCOE http:/kylin.io Agenda Whats Apache Kylin? Feature ancestor vs. descendant cells; parent vs. child cells 1. (9/15, milk, Urbana, Dairy_land) - 2. (9/15, milk, Urbana, *) - 3. (*, milk, Urbana, *) - 4. (*, milk, Chicago, *) - 5. (*, milk, *, *) - Cuboid = one combination of dimensions Cube = all combination of dimensions (all cuboids) http:/kylin.io From Relational to Key-Value