Walk a large file response into a stream
Choose a streaming response design for large files while respecting backpressure and error handling.
The export spike Three customers request a 480 MB CSV export at the same time. The route currently reads the entire file before writing the response. The endpoint's behavior is fine with one user and dangerous with a few. Stream path Authorize -> stream -> handle pressure and errors Streams let large data move in chunks. Backpressure keeps the writer from overwhelming the receiver. Buffer Read the full file, then send it The file starts downloading quickly and memory does not scale with file size times users. Streaming is a flow-control decision, not just a syntax choice. 01 Gate 02…
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