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salad
@Velocio
Oh, and the other real problem for cloud companies is SSD failure rate.
It's high.
SSDs do not last long at all.
And whilst there is a lot of spinning discs, most of the hot layers (cache, heavy hitter files) are on SSDs and SSDs fail at a spectacular rate.
You may think your SSD is super reliable, and better than a spinning disc. But SSDs are rated for number write operations, and in a cloud environment they are kept very busy with writes and their life is barely measured in years even though they all exceed their rated number of operations. In a big enough fleet, that means SSDs are being replaced daily, in very high numbers.