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Feb 17, 2021 · Big Data

Dynamic Broadcast State and Data Partitioning in an Apache Flink Fraud Detection Engine

This article demonstrates how to initialize, broadcast, and dynamically update rule sets in an Apache Flink fraud detection pipeline, using BroadcastProcessFunction and MapState to achieve runtime data partitioning without recompiling, and explains the underlying data exchange patterns such as forward, hash, rebalance, and broadcast.