[OmniOS-discuss] Pliant/Sandisk SSD ZIL

Derek Yarnell derek at umiacs.umd.edu
Wed Feb 19 19:59:27 UTC 2014


On 2/18/14, 10:54 PM, Marion Hakanson wrote:
>> I actually will test some spare DC S3700 drives as the slog
>> devices that we have for a Ceph cluster in this in the next few days and
>> will report back on this thread.
> 
> Cool, I look forward to seeing what you find out.

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


-- 
Derek T. Yarnell
University of Maryland
Institute for Advanced Computer Studies


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