The Lab

Technical articles, guides, and experiments.

|Cloud

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

44May 30, 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

107May 30, 2026