Storage, search & mediaHardSDE-3

You are building a file sync product like Dropbox. Many users store the same large files, and users often edit small parts of big files. How would you design storage to save space and bandwidth?

Asked at

AppleGoogleMicrosoft

Think first

Answer out loud as you would in the room — clarify, give numbers, name the trade-off — then compare with the model answer.

Go deeper

Saved on this device. Create a free account to keep it on every device.

Practise this with Sam

A real mock interview, out loud, with an honest scorecard. Free to start.