Which AWS service handles scheduling, monitoring, and cataloging metadata for data in Amazon S3, providing ETL orchestration?
💡 Model Answer
AWS Glue is the service that provides ETL orchestration, scheduling, and monitoring for data stored in Amazon S3. It offers a managed ETL engine that runs Spark jobs, a Glue Data Catalog that stores metadata about data assets, and Glue Workflows and Triggers that enable complex job orchestration and scheduling. Glue automatically discovers schemas in S3, generates ETL code, and integrates with other AWS analytics services such as Athena and Redshift Spectrum. The service’s monitoring features include CloudWatch metrics and logs, and it provides a visual interface for managing job dependencies and execution order. While Athena is a query engine and Data Pipeline is a legacy orchestration tool, Glue is the modern, serverless solution for ETL and metadata management on S3.
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