Dl/Overview

Data Lake Knowledge Center

Overview

Diagram	Description
	1 Airflow Scheduler trigger DAG (DAG is generated based on metadata) The ETL job is a task within an airflow DAG 2 ETL executor pulls code from a repo into loacl disk 3 ETL executor uses dbt library to submit job to Apache Spark via JDBC interface (e.g. via Thrift Server) 4 Thrift Server take the SQL and pass it to Apache Spark to execute