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You have 2MB data.

You compress it to 1MB, SandForce controller fails to do anything because already compressed, writes it to flash, and you wear out 1MB of physical flash memory.

You don’t compress it, SandForce controller compresses it to 1MB, writes it to flash, and you wear out same 1MB of physical flash memory.

How (1) might be increasing write amplification and shortening the SSD lifetime compared to (2)? Aren’t they nearly equivalent?



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