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STORAGE: benchmarks results (diskinfo)
I would like to start a thread to compare performance of various storage sollutions using FreeBSD diskinfo(8) tool.
I also encourage to post results of other benchamrking tools. Here are mine results for the start: Kingston DT100 16GB (pendrive): Code:
# diskinfo -c -t /dev/da0 /dev/da0 512 # sectorsize 16131293184 # mediasize in bytes (15G) 31506432 # mediasize in sectors 1961 # Cylinders according to firmware. 255 # Heads according to firmware. 63 # Sectors according to firmware. I/O command overhead: time to read 10MB block 0.617194 sec = 0.030 msec/sector time to read 20480 sectors 15.450024 sec = 0.754 msec/sector calculated command overhead = 0.724 msec/sector Seek times: Full stroke: 250 iter in 0.251563 sec = 1.006 msec Half stroke: 250 iter in 1.053088 sec = 4.212 msec Quarter stroke: 500 iter in 0.499425 sec = 0.999 msec Short forward: 400 iter in 0.300996 sec = 0.752 msec Short backward: 400 iter in 0.303678 sec = 0.759 msec Seq outer: 2048 iter in 1.536665 sec = 0.750 msec Seq inner: 2048 iter in 1.548363 sec = 0.756 msec Transfer rates: outside: 102400 kbytes in 5.749353 sec = 17811 kbytes/sec middle: 102400 kbytes in 3.553501 sec = 28817 kbytes/sec inside: 102400 kbytes in 3.547978 sec = 28862 kbytes/sec Code:
# diskinfo -t -c /dev/ad4 /dev/ad4 512 # sectorsize 80026361856 # mediasize in bytes (75G) 156301488 # mediasize in sectors 155061 # Cylinders according to firmware. 16 # Heads according to firmware. 63 # Sectors according to firmware. ad:5NH0MD7M # Disk ident. I/O command overhead: time to read 10MB block 0.190977 sec = 0.009 msec/sector time to read 20480 sectors 3.132845 sec = 0.153 msec/sector calculated command overhead = 0.144 msec/sector Seek times: Full stroke: 250 iter in 5.959489 sec = 23.838 msec Half stroke: 250 iter in 4.147395 sec = 16.590 msec Quarter stroke: 500 iter in 6.506640 sec = 13.013 msec Short forward: 400 iter in 1.602929 sec = 4.007 msec Short backward: 400 iter in 2.285750 sec = 5.714 msec Seq outer: 2048 iter in 0.413902 sec = 0.202 msec Seq inner: 2048 iter in 0.372223 sec = 0.182 msec Transfer rates: outside: 102400 kbytes in 1.739364 sec = 58872 kbytes/sec middle: 102400 kbytes in 2.157085 sec = 47471 kbytes/sec inside: 102400 kbytes in 3.405393 sec = 30070 kbytes/sec Seagate 7200.7 8MB 80GB PATA [ST380011A] (3.5 disk): Code:
# diskinfo -t -c /dev/ad0 /dev/ad0 512 # sectorsize 80026361856 # mediasize in bytes (75G) 156301488 # mediasize in sectors 155061 # Cylinders according to firmware. 16 # Heads according to firmware. 63 # Sectors according to firmware. ad:5JVK88WT # Disk ident. I/O command overhead: time to read 10MB block 0.196956 sec = 0.010 msec/sector time to read 20480 sectors 2.342352 sec = 0.114 msec/sector calculated command overhead = 0.105 msec/sector Seek times: Full stroke: 250 iter in 5.613326 sec = 22.453 msec Half stroke: 250 iter in 4.320666 sec = 17.283 msec Quarter stroke: 500 iter in 6.948839 sec = 13.898 msec Short forward: 400 iter in 2.039787 sec = 5.099 msec Short backward: 400 iter in 1.404436 sec = 3.511 msec Seq outer: 2048 iter in 0.246837 sec = 0.121 msec Seq inner: 2048 iter in 0.256757 sec = 0.125 msec Transfer rates: outside: 102400 kbytes in 1.793044 sec = 57110 kbytes/sec middle: 102400 kbytes in 2.235812 sec = 45800 kbytes/sec inside: 102400 kbytes in 3.437295 sec = 29791 kbytes/sec
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benchmark, diskinfo |
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