Found this detailed article and thought it would interest some of you. It talks about the pain of misuse of Flink State, and what more than 90% of Flink development teams do not understand (that's what they claim, not me). What is the difference between storing Map in ValueState and MapState? Read more in the link below https://www.zditect.com/code/the-pain-of-misuse-of-flink-state-even-more-than-90-of-flink-development-does-not-understand.html