Hu Shuyi, I would recommend to start with the following:
https://docs.google.com/presentation/d/1AkU-QXSflau-RSeolB4TSLy0_mg0xwb398Czw7aqVGw/edit#slide=id.p https://www.youtube.com/watch?v=VsGQ2LFeTHY&list=PL4dEBWmGSIU_9JTGnkGVg6-BwaV0FMxyJ&index=12&t=0s For follow-up, there is plenty of knowledge available within the Flink community :) Thomas
