YouTube’s unfathomably large transcoding problemBecause YouTube is the world's biggest video site, keeping it running was originally seen as an impossible task until Google bought the company in 2006. Since then, Google has aggressively fought to keep the site's cost down, often reinventing Internet infrastructure and copyright in order to make it happen. Today, the primary infrastructure problem YouTube needs to solve for end users is providing video that works just right for your device and bandwidth while maintaining quality. That means using a codec that is supported by your device and picking a resolution that matches your display (and not blowing up your Internet connection with a massive file).For Google, that means transcoding a single video into a lot of other videos. You can see part of this work yourself just by clicking on the gear for an 8K video, where you'll see nine total resolutions created from a single upload: 144p, 240p, 360p, 480p, 720p, 1080p, 1440p, 2160p, and 4320p. These are all different video files, and every one needs to be created from the original 8K uploaded file—and keep in mind, this is just for your specific device.meer ...
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