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by ori_b 5206 days ago
True, there is a difference between read and write latency, but at least that is consistent and therefore easy to plan for. Large variance makes things far more difficult, in my opinion.
1 comments

It's actually not consistent. On MLC flash, individual write operations can vary by a factor of 6.

see: http://cmrr-star.ucsd.edu/starpapers/309-Grupp-1.pdf (PDF)