Chunked Transfer + Content-Hash Dedup

设计文件同步系统。请覆盖File chunking strategy and content-hash based deduplication across users, Delta sync: rsync-style block diffing instead of re-uploading whole files, Metadata service (file tree, versions)...

设计 视频平台 的上传与处理管线——接收海量的用户上传视频，把它们转换成可播放的多分辨率视频库。