How do services like YouTube simulatenously stream to thousands of users?

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Say a popular creator uploads a 10 minute video. Once it’s uploaded a thousand users play the video simultaneously. Is the video copied to multiple drives? Or can servers stream a single file to multiple users?

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6 Answers

Anonymous 0 Comments

Yes to both questions. The video is copied to multiple drives on multiple computers in multiple locations. But even if it was only on one drive, a single server can serve multiple users simultaneously.

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