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Subject: Re: Sandisk CloudSpeed Gen. II Eco Channel SSD vs ZFS = we're in hell
To: freebsd-stable@freebsd.org
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From: "Eugene M. Zheganin" <emz@norma.perm.ru>
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Date: Tue, 29 Nov 2016 17:30:54 +0500
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Hi.

On 28.11.2016 23:07, Steven Hartland wrote:
> Check your gstat with -dp so you also see deletes, it may be that your
> drives have a very slow TRIM.
>
Indeed, I see a bunch of delete operations, and when TRIM disabled my
engineers report that the performance is greatly increasing. Is this it ?

Eugene.