ZFS and SSD, trim caused stalling

Borja Marcos borjam at sarenet.es
Thu May 5 08:59:50 UTC 2016


> On 05 May 2016, at 10:14, Borja Marcos <borjam at sarenet.es> wrote:
> 
> 
> What do you think? In some cases it’s 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 “normal” 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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