Optimize Build and Query

Kylin 4 is a major architecture upgrade version, both cube building engine and query engine use spark as calculation engine, and cube data is stored in parquet files instead of HBase.So the build/query performance tuning is very different from Kylin 3 tuning.

About the build/query performance tuning of Apache Kylin4.0, Please refer to: How to improve cube building and query performance of Apache Kylin4.0.

At the same time, you can refer to kylin4.0 user's optimization practice blog: why did Youzan choose Kylin4