Facebook Ditches DRAM, Flaunts Flash-based McDipper

Maximum PC: You can stuff your home system full of DRAM without putting a hurt on your bank account, but when you're talking about servers on the scale of what's needed to keep Facebook up and running, things tend to get expensive. It's for this reason that Facebook has decided to reduce its dependance on DRAM. In its place, the social networking site built a data cache that runs on flash memory.

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