AWS Data Engineer Associate Flashcards

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Data Preparation for Machine Learning (ML)

Question

What is the difference between SageMaker Feature Store Online Store and Offline Store?

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Data Preparation for Machine Learning (ML)

Answer

Online Store: DynamoDB-backed, < 10ms real-time retrieval via GetRecord API — used for real-time inference. Offline Store: S3-backed, queryable via Athena/Spark — used for batch training data generation. Both can be enabled simultaneously; ingested features are written to both stores.

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AWS Data Engineer Associate Flashcards

Master key concepts with interactive flashcards

Need help staying focused? Foci helps you manage tasks and focus while you study.

Card 1 of 50

0 known

Data Preparation for Machine Learning (ML)

Question

What is the difference between SageMaker Feature Store Online Store and Offline Store?

Click to reveal answer

Data Preparation for Machine Learning (ML)

Answer

Click to show question

Tip: Use ← → arrow keys to navigate, Space to flip card