Apache Spark

June 10, 2026

Featured image: Spark Structured Streaming in practice, a PySpark code card that applies a 10-minute watermark and a five-minute window, then writes to Delta with append output mode, a checkpoint and an availableNow trigger

Apache Spark Structured Streaming: A Practical Guide

A hands-on guide to Spark Structured Streaming: the micro-batch model, sources and sinks, output modes, triggers, watermarks, foreachBatch upserts and monitoring, with output from a local run.