Big Data Technology Tribe

Mar 8, 2026 · Big Data

How Spark Structured Streaming’s Real-Time Mode Achieves Millisecond Latency

This article explains Spark Structured Streaming’s new Real-Time Mode introduced in Spark 4.1, detailing how it reduces latency to the millisecond level by redesigning micro‑batch processing, concurrent stage scheduling, streaming shuffle, and checkpointing, and compares it with Flink’s native streaming.