https://databricks.com/blog/2016/07/28/continuous-applications-evolving-streaming-in-apache-spark-2-0.htmlhttps://databricks.com/blog/2016/07/28/co
https://databricks.com/blog/2016/07/28/continuous-applications-evolving-streaming-in-apache-spark-2-0.htmlhttps://databricks.com/blog/2016/07/28/co