Track 3 · Real-time & Media
Video Platform
A YouTube-style service: upload, transcode and play millions of videos, while workers die and come back late.
Pro Hard 16 min guided 11 Checks
What you practice
A 500 MB upload from a phone, transcoding on thousands of workers, and a viral video that millions watch at once. You will make uploads survive a dropped connection, finish each job once even when a worker pauses, and only ever serve complete versions.
This Exercise is part of Pro. The free Exercise and the Sandbox are open to everyone.