Read full blog post : https://www.alibabacloud.com/blog/four-billion-records-per-second-what-is-behind-alibaba-double-11---flink-stream-batch-unification-practice-during-double-11-for-the-very-first-time_596962
Alibaba and Flink use : stream processing of 4 billion records per second
on September 27, 2021