Mar 29, 2021 · Big Data

Understanding Flink AggregateFunction, Session Windows, and Timer Mechanisms

This article explains how Flink's DataStream API uses AggregateFunction and session windows, details the MergingWindowAssigner and MergingWindowSet implementations, and demonstrates timer registration and processing with KeyedProcessFunction, providing full code examples and internal workflow analysis.

AggregateFunctionFlinkKeyedProcessFunction

0 likes · 25 min read

Understanding Flink AggregateFunction, Session Windows, and Timer Mechanisms

Architect

Jun 10, 2016 · Big Data

Understanding Session Windows in Apache Flink

This article explains the concept, implementation, and underlying mechanics of session windows in Apache Flink, covering how Flink assigns and merges windows, the relevant APIs such as SessionWindows.withGap, and detailed source code analysis for both the window assigner and trigger handling.

FlinkMergingWindowAssignersession window

0 likes · 13 min read

Understanding Session Windows in Apache Flink