Hi all! Please take a look at Drill Metastore design document [1] for DRILL-6552 [2] and provide your feedback. [1] https://docs.google.com/document/d/10CkLdrlUJUNRrHKLeo8jTUJB8xAP1D0byTOvn8wNoF0 [2] https://issues.apache.org/jira/browse/DRILL-6552 Kind regards Vitalii