How does YouTube, Google, etc. seem to have ‘unlimited’ storage for their users?
In: Technology
Accept that a single machine can only store a limited amount of data. So, a common strategy to store more than one machine can handle is to… use more than one machine!
So, instead of storing all the data in a single machine, the data is spread across multiple machines. And, with engineering magic, this massive group of machines behave as if they were a single (and massive) filesystem.
Moreover, those companies not only provide an “unlimited” storage for their users but they also provide a reliable storage! Imagine that they were storing all your data in a single computer, and poof! The computer explodes. Are you going to lose your data? No! Because engineers thought about this and they decided that your data will not be stored in single machine but in several machines! So, even if a machine explodes, you data is still intact in another machine.
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