Date: Thu, 5 May 2016 10:50:07 +0200 From: Borja Marcos <borjam@sarenet.es> To: Borja Marcos <borjam@sarenet.es> Cc: freebsd-fs <freebsd-fs@freebsd.org> Subject: Re: ZFS and SSD, trim caused stalling Message-ID: <CAE7FF65-DA11-4D12-ABD9-173408E8C5E9@sarenet.es> In-Reply-To: <132CDFA3-0390-4208-B6D5-3F2AE49E4B47@sarenet.es> References: <132CDFA3-0390-4208-B6D5-3F2AE49E4B47@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.
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