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C:\Program Files (x86)\SQLIO>sqlio.exe -kW -s20 -frandom -o64 -b4 -BH -LS -Fpara
m.txt
sqlio v1.5.SG
using system counter for latency timings, 3579545 counts per second
parameter file used: param.txt
file g:\testfile.dat with 1 thread (0) using mask 0x0 (0)
1 thread writing for 20 secs to file g:\testfile.dat
using 4KB random IOs
enabling multiple I/Os per thread with 64 outstanding
buffering set to use hardware disk cache (but not file cache)
size of file g:\testfile.dat needs to be: 83886080000 bytes
current file size: 41943040000 bytes
need to expand by: 41943040000 bytes
expanding g:\testfile.dat ... done.
using specified size: 80000 MB for file: g:\testfile.dat
initialization done
CUMULATIVE DATA:
throughput metrics:
IOs/sec: 30826.99
MBs/sec: 120.41
latency metrics:
Min_Latency(ms): 0
Avg_Latency(ms): 1
Max_Latency(ms): 787
histogram:
ms: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24+
%: 78 21 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
this was with a 80GB file
in a non virtual system this should be 30% better.
regards
roger
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