streams

The first time a CSV import OOM’d a production process, I stopped trusting ‘just read it into memory’. Now I stream the upload to disk (or S3), stream-parse rows, and batch inserts into the DB. The win is that memory usage stays flat, even when the fi

Multipart uploads can blow up memory if you parse them naively. With busboy, I stream file data as it arrives and enforce size limits and content-type checks early. I avoid writing to disk unless I need it; for many flows I stream directly to object s