Architect's Must-Have

Sep 15, 2025 · Big Data

Mastering Spark Streaming Rate Control: A Deep Dive into Backpressure

This article explains Spark Streaming's rate control mechanisms, covering static limits, the dynamic back‑pressure feature introduced in Spark 1.5, the PID‑based estimator, RPC communication, and how Guava's token‑bucket RateLimiter enforces the calculated thresholds to ensure stability and optimal throughput.