The Lab

Technical articles, guides, and experiments.

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Large File Upload to AWS S3 using Presigned URL and Multipart Upload

Large File Upload to AWS S3 using Presigned URL and Multipart Upload

Learn how to upload large files directly to AWS S3 using presigned URLs and multipart upload - a scalable pattern that bypasses your server and avoids timeouts.

Zayed
48Jun 3, 2026
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AWS S3 Batch Operations: Process Millions of Objects Without Breaking a Sweat

Learn how to use AWS S3 Batch Operations to process millions of objects at scale — copy, tag, restore, invoke Lambda, and more — with practical examples and best practices.

Zayed
111Jun 3, 2026