For things like etcd knowing how fast your disks are is crucial. To
measure IOPS take the number of operations and divide the total seconds
bench takes to run. A 2016 Mac Mini, for example, has 90 IOPS (which
is over the minimum recommended of 50).
Hardware recommendations | etcd
https://etcd.io/docs/v3.6/op-guide/hardware/
GitHub - ongardie/diskbenchmark: Benchmarking utilities for measuring the latencies of disks (mostly interesting for SSDs).
https://github.com/ongardie/diskbenchmark