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Home/Questions/Cloud/Tools/Explain when you would use Glue instead of Lambda for a data ingestion use case.

Explain when you would use Glue instead of Lambda for a data ingestion use case.

Cloud/Toolseasy0.2 min read

Reviewed by Aditya Kumar · Last reviewed 2026-03-24

Architectural decision: Glue when—large data, Spark needed, >15 min, JDBC/Spark connectors. Lambda when—small payloads, event-driven, <15 min. Example: 100GB S3 transform → Glue. S3 put → validate → DynamoDB → Lambda....

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Asked at 1 company
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Expert Answer
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Architectural decision: Glue when—large data, Spark needed, >15 min, JDBC/Spark connectors. Lambda when—small payloads, event-driven, <15 min. Example: 100GB S3 transform → Glue. S3 put → validate → DynamoDB → Lambda. Best practice: Lambda for triggers; Glue for batch ETL.

⚡
Pro Tip

Red Flag: Lambda for multi-GB processing. Pro-Move: 'Lambda triggers and validates; Glue does 50GB transform—we hit Lambda 15-min limit once, moved to Glue.'

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