Big Data Technology & Architecture
Apr 4, 2023 · Big Data
Understanding Flink’s Data Flow: Buffer Pools, Network Transfer, and Credit‑Based Flow Control
This article explains Flink’s internal data abstraction and transfer mechanisms, detailing how data moves between operators via network buffers, the role of ByteBuffer and NetworkBufferPool, the serialization process, Netty integration, and credit‑based flow control to handle backpressure.
Big DataCredit-based Flow ControlData Flow
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