What is AWS Glue?

AWS Glue is a fully managed extract, transform, and load (ETL) service that makes it easy to prepare and load data for analytics. It provides a serverless data integration service with automatic schema discovery through crawlers that populate the AWS Glue Data Catalog. Glue offers a visual interface for creating ETL jobs and supports both Apache Spark and Python Shell jobs. It includes Glue Studio for visual ETL authoring and Glue DataBrew for data preparation without coding. AWS Glue supports streaming ETL for real-time data processing and integrates with S3, RDS, Redshift, and other data sources. It provides job scheduling, monitoring, and automatic scaling, making it ideal for data lake creation and data warehouse migration.