Big Data Technology & Architecture

May 15, 2022 · Big Data

Understanding Flink Window Table-Valued Functions (TVF) and Incremental Optimization

This article explains the concept of window table-valued functions in Flink, compares the old grouped‑window syntax with the new TVF syntax, details the physical and execution plans, introduces sliced windows for state reduction, and presents a small incremental‑output improvement with code examples.