Delta Lake Architecture Explained: A Complete Guide If you’ve ever tried to run two jobs against the same S3 or ADLS folder at the same time, you already know why Delta Lake exists. Plain files in a data lake don’t know what a transaction is. […]
What Is Delta Lake? Complete Beginner’s Guide Before formats like Delta Lake existed, a “data lake” was really just a folder of Parquet or CSV files in cloud storage, and that folder had none of the guarantees you’d expect from an actual database table. A […]
Apache Hudi Tutorial for Beginners Apache Iceberg and Delta Lake both solve the “a folder of files isn’t a table” problem well, but neither one started life solving the specific problem Apache Hudi was built around: how do you continuously stream row-level changes, inserts, updates, […]