You are building a streaming ingestion pipeline using Auto Loader to process millions of files per hour from an Amazon S3 bucket. Your company wants to minimize cloud API costs and avoid repeatedly scanning large directories. Which Auto Loader file detection mode should you choose?

Other

Explanation:

File notification mode uses cloud-native services (AWS SQS/SNS, Azure Event Grid, GCP Pub/Sub) to detect new files without scanning directories, reducing costs.

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You are building a streaming ingestion pipeline using Auto Loader to process millions of files per hour from an Amazon S3 bucket. Your company wants to minimize cloud API costs and avoid repeatedly scanning large directories. Which Auto Loader file detection mode should you choose?