Why it matters

Large file uploads common need. Understanding shapes robust upload.

Advertisement

The architecture

Multipart: split into chunks.

Signed URLs: direct-to-storage.

Resume: track completed parts.

Upload designMultipart splitchunksSigned URLsdirect-to-S3/GCSResume + checksumreliabilityS3 multipart upload + GCS resumable are standard patterns
Upload architecture.
Advertisement

How it works end to end

Direct-to-storage: bypass server for perf.

Checksum: verify integrity.

Progress: report per chunk.

Cleanup: incomplete uploads.