[OmniOS-discuss] Pliant/Sandisk SSD ZIL

Marion Hakanson hakansom at ohsu.edu
Wed Feb 19 21:14:58 UTC 2014


derek at umiacs.umd.edu said:
> For a 44MB/1981 file tar file.
> 
> With DC S3700 drive in slog (ATA-INTEL SSDSC2BA10-0265-93.16GB)
> # time tar -xf littletarfile.tar
> real	0m8.337s
> user	0m0.056s
> sys	0m0.659s
> 
> With Pliant LB206S drive in slog (Pliant-LB206S-D323-186.31GB)
> # time tar -xf littletarfile.tar
> real	8m43.268s
> user	0m0.109s
> sys	0m1.493s
> 
> With no slog
> # time tar -xf littletarfile.tar
> real	9m17.243s
> user	0m0.127s
> sys	0m1.409s

Wow.  One review I read says the LB206S has no DRAM cache, thus it's not
prone to power-fail data loss.  The DC S3700 does have such a cache, but
with capacitor protection.  Good latency for small ops, eh?

Thanks and regards,

Marion




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