[ceph-users] fio test rbd - single thread - qd1

jesper at krogh.cc jesper at krogh.cc
Tue Mar 19 11:56:59 PDT 2019


> One thing you can check is the CPU performance (cpu governor in
> particular).
> On such light loads I've seen CPUs sitting in low performance mode (slower
> clocks), giving MUCH worse performance results than when tried with
> heavier
> loads. Try "cpupower monitor" on OSD nodes in a loop and observe the core
> frequencies.
>

Thanks for the suggestion. They seem to be all powered up .. other
suggestion/reflections
are truely welcome.. Thanks.

Jesper



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