It's complicated. As of Kylin 1.5, there are two flavors of cubing algorithm. Below talk covered a bit. There's no comprehensive document at the moment.
https://www.youtube.com/watch?v=n74zvLmIgF0 On Tue, May 3, 2016 at 7:52 AM, Nick Dimiduk <[email protected]> wrote: > Hi there, > > I'm curious to understand how Kylin goes about building cubes. I've > deployed it on a single-node cluster and played around with the sample cube > [0]. Now i'm looking through the kylin server log and the code in the > 'engine-mr'. I'm not finding much in the way of docs in the source code > though :( > > Is there any presentation, blog post, &c that gives and overview of these > internals? I did find [1] but I'm looking go descend another level. I'm > curious about the various steps involved (looks like it ran 18 "steps" and > 10 MR jobs), what they're doing. I'm also curious about the schema design > for the data model in HBase. > > Thanks in advance! > -n > > [0]: http://kylin.apache.org/docs15/tutorial/kylin_sample.html > [1]: http://www.slideshare.net/YangLi43/design-cube-in-apache-kylin >
