: Use specialized ZIP libraries (like ZipOutputStream in Java or JSZip in JS) that support ZIP64 extensions to handle files exceeding the 4GB limit. UX Best Practices
: Use Stream-Based Processing . The server should read chunks from the database/storage and write them directly to the response output stream rather than loading the entire 455K dataset into RAM. Download 455K zip
: Instead of an immediate download, the system "prepares" the ZIP in the background. : Use specialized ZIP libraries (like ZipOutputStream in
How to manage large file downloads in the front end? : r/reactjs : Instead of an immediate download, the system
: For security, generate temporary, expiring links (e.g., AWS S3 Presigned URLs) so that direct access to the storage bucket is never exposed.
Allow users to export and download massive datasets containing up to 455,000 records or large multi-gigabyte ZIP archives without exhausting server memory or timing out browser connections.
A download feature for a large file (likely meaning either 455,000 files or a 455 GB archive) requires balancing speed, reliability, and clear user communication. Feature Specification: "DeepData Archive Download" Overview