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Meta is saving millions of dollars thanks to this clever memory hack



Engineers at Meta, Facebook’s parent company, have revealed how they have been able to offer free memory using a software solution called Transparent Memory Offloading (TMO).

It is now part of the Linux kernel and, in a nutshell, automatically offloads data to other storage tiers (e.g. Samsung’s CX memory expander) that are less costly and more power efficient than memory.



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