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AWS Lambda now supports direct read configuration for Amazon S3 Files

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AWS·Sep 11, 2026, 05:00 PMFeatureAI-assisted summary

Summary

Lambda now allows explicit enable/disable of direct read for S3 Files, independent of function memory size
When enabled, files ≥1 MB are read directly from the S3 bucket for maximum throughput while smaller files use high‑performance storage; disabling routes all reads to high‑performance storage for lowest latency
Configurable via Console, CLI, SDKs, and CloudFormation across most commercial and GovCloud regions with no additional charge

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Official source Last checked Sep 20, 2026, 3:04 PM

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