I'm really curious about the database schema that social media apps like Instagram use, particularly for storing videos, user accounts, profiles, comments, and likes. I know it might not be strictly about learning programming, but I've always been fascinated by how these apps function behind the scenes. I have a decent grasp of how some banking and insurance applications operate, but social media is a whole different ball game. Can anyone shed some light on this?
3 Answers
It seems like videos and pictures aren't stored in a standard database format. More likely, there's a reference to those files stored in a CDN, which makes it efficient to serve the content. So, the database would only hold the paths or links to the actual files rather than the files themselves.
Definitely! Most likely, the database keeps the locations of these files, while the actual media files reside on a CDN or file server. To speed things up, frequently accessed files might be cached in something like Redis for quick retrieval.
You're on the right track! Videos and media are generally saved as files, and the database just contains references to those files. Interestingly, a single video can be stored in multiple locations within the system for redundancy.
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