https://help.aliyun.com/product/45029.html?spm=a2c4g.11186623.3.1.sSHCfr
https://yq.aliyun.com/tags/type_blog-tagid_10958/?spm=a2c4e.11153940.blogcont457396.13.73061109CtRPMB
https://www.slideshare.net/FlinkForward/albert-bifet-apache-samoa-mining-big-data-streams-with-apache-flink
https://yq.aliyun.com/tags/type_blog-tagid_13652?spm=a2c4e.11154873.tagmain.61.1da24cfd9HCIIr#tab
https://www.iteblog.com/archives/category/flink/