Re: Bluestore performance tuning for hdd with nvme db+wal

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On Wed, 1 Jul 2020 at 01:47, Anthony D'Atri <anthony.datri@xxxxxxxxx> wrote:
> > However when I've looked at the IO metrics for the nvme it seems to be only lightly loaded, so does not appear to be the issue (at 1st sight anyway).
>
> How are you determining “lightly loaded”.  Not iostat %util I hope.

For reference, this explains why iostat for SSDs can be misleading:

https://brooker.co.za/blog/2014/07/04/iostat-pct.html
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