Hi Jaehwa, thanks for your work.
This document provides an easy and simple explanation to use HCatalogStore as a catalog storage in Tajo.
However, I have a suggestion. In examples of the document, paths and versions are fixed although users can use different paths and versions. It would be better to use more generalized expression as follows.
mvn clean package -DskipTests -Pdist -Dtar -Phcatalog-0.1x.0
Tajo support to build based on hive 0.11.0 and hive 0.12.0. ...