[Bug 258204] Extremely poor performance copying directory with lot of small files on nvme

In reply to: bugzilla-noreply_a_freebsd.org: "[Bug 258204] Extremely poor performance copying directory with lot small files on nvme"
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From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 13 Dec 2021 04:08:43 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=258204

--- Comment #5 from Alexander Motin <mav@FreeBSD.org> ---
It is hard to guess something without seeing the system.  I'd start from
looking on the SSD usage and latency with `gstat -I 1s -pod` and may be CPU
usage in `top -SHIz`.  Also according to ".eli" in the device name, I suppose
it is encrypted.  So I'd try it without encryption for comparison or checked
that you have it accelerated.

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