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** <tt>for i in $(seq 0 $((`nproc`-1))); do cpufreq-set -c $i -g performance; done</tt> — this disables frequency scaling.
* When power-save is disabled CPU heats up as a GTX, but you get 2-3 times more iops.
* High CPU requirement is one of the cases NOT arguments to NOT use Ceph in a «hyperconverged setup», the setup in which storage and compute nodes are combined.
* You can also disable all hardware vulnerability mitigations: <tt>noibrs noibpb nopti nospectre_v2 nospectre_v1 l1tf=off nospec_store_bypass_disable no_stf_barrier</tt> (or just <tt>mitigations=off</tt> for newer kernels)
