vivo Internet Technology
Mar 17, 2021 · Backend Development
Implementation and Principles of HTTP Range (Breakpoint) File Download in Java
The article explains how Vivo’s platform implements a fault‑tolerant HTTP Range (breakpoint) download in Java—detecting server support, choosing single‑or multi‑threaded segmented downloads, using RandomAccessFile and retry logic, verifying integrity with ETag/MD5, and issuing alerts, while noting when the added complexity is justified.
Breakpoint DownloadHTTP Rangefile integrity
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