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Kingston DataTraveler 101 Flash Drive - 64-KB Benchmark
What is the average I/O performance of Kingston DataTraveler 101 7GB flash drive?
✍: FYIcenter.com
The average I/O performance of a flash drive can be measured by running SQLIO with multiple 64-KB blocks with a large stripe factor.
Here is the read performance test of Kingston DataTraveler 101 7GB flash Drive on 64-KB blocks.
C:\fyicenter\SQLIO>sqlio -LS -kR -b64 -i64 -f64 -t1 -s30 -p0 E:\test.dat 1 thread reading for 30 secs from file E:\test.dat using 64KB IOs over 4096KB stripes with 64 IOs per run size of file E:\test.dat needs to be: 268435456 bytes expanding E:\test.dat ... done. initialization done CUMULATIVE DATA: throughput metrics: IOs/sec: 242.77 MBs/sec: 15.17 latency metrics: Min_Latency(ms): 3 Avg_Latency(ms): 3 Max_Latency(ms): 19 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+ %: 0 0 0 28 71 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Here is the write performance test of Kingston DataTraveler 101 7GB flash Drive on 64-KB blocks.
C:\fyicenter\SQLIO>sqlio -LS -kW -b64 -i64 -f64 -t1 -s30 -p0 E:\test.dat using system counter for latency timings, 2343896 counts per second 1 thread writing for 30 secs to file E:\test.dat using 64KB IOs over 4096KB stripes with 64 IOs per run size of file E:\test.dat needs to be: 268435456 bytes initialization done CUMULATIVE DATA: throughput metrics: IOs/sec: 3.39 MBs/sec: 0.21 latency metrics: Min_Latency(ms): 11 Avg_Latency(ms): 294 Max_Latency(ms): 616 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+ %: 0 0 0 0 0 0 0 0 0 0 0 1 1 19 6 17 1 0 0 0 0 0 0 0 55
As you can see, in the simulation of multiple 64-KB file I/O, reading speed is 15.17 MBs/sec, and writing speed is 0.21 MBs/sec. So for a USB flash drive, reading is much faster than writing.
⇒ Kingston DataTraveler 101 Flash Drive - Maximum Reading Speed
2019-09-16, 826🔥, 0💬
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