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Subject: Re: ZFS and SSD, trim caused stalling
From: Borja Marcos <borjam@sarenet.es>
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Date: Thu, 5 May 2016 10:50:07 +0200
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To: Borja Marcos <borjam@sarenet.es>
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> On 05 May 2016, at 10:14, Borja Marcos <borjam@sarenet.es> wrote:
>=20
>=20
> What do you think? In some cases it=E2=80=99s clear that TRIM can do =
more harm than good. I think that this measure can buy the best
> of both worlds: TRIMming when possible, during =E2=80=9Cnormal=E2=80=9D =
I/O activity, and avoiding the troubles caused by it during exceptional
> activity (deletion of very large files/large number of files/large =
snapshots/datasets).

Sorry, I forgot that the mailing list removes attachments. These are the =
graphs:

http://frobula.crabdance.com:8001/publicfiles/OneBonnie.png
http://frobula.crabdance.com:8001/publicfiles/TwoBonniesTimes.png
http://frobula.crabdance.com:8001/publicfiles/TwoBonniesTput.png





Botja.