Data Lake Architecture: Parquet, Delta Lake, and the Lakehouse Pattern

<p>Turn a chaotic S3 data swamp into a governed lakehouse. Follow a data engineer rebuilding a wearable-health company's analytics lake, from columnar Parquet storage and ACID Delta Lake tables to bronze/silver/gold layering and the compaction techniques that keep a growing lake fast, all with real, runnable PySpark and Delta Lake code.</p>

Tools: Apache Spark, PySpark, Delta Lake, Parquet, AWS S3, Python