HDD - Getting More IOPS
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- The IOPS problem is harder - when we deal with random access.
- Here, using 10 disks will give us only ~1250 IOPS.
- So we aggregate hundreds of disks - but then we get too much capacity.
- Which means that to get high IOPS we use a very small part of
the storage capacity
- which is wasteful in purchase price, cooling needs, and floor space.