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Multipart Uploads and Ranged Reads for Parallel Object Transfer

Moving a terabyte at single-stream speed can take longer than the analysis itself, so this is the mechanism that turns a stated link speed into achieved throughput. It also explains a real recurring cost leak (orphaned parts), which connects directly to the cost-prediction half of the outcome.

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Uploading Large Files to AWS S3 with Multipart Chunks and Pre-signed URLs

Direct-to-storage client upload combines two independent mechanisms: capability delegation, in which a trusted server holding long-lived credentials mints a pre-signed URL — a cryptographically signe…