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Disk IO benchmark desk
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| dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync | |
| dd if=/dev/zero of=test bs=1M count=1024 conv=fdatasync | |
| time (dd if=/dev/zero of=/tmp/test bs=64k count=128k > /dev/null; sync) | |
| bonnie++ -d /tmp -r 2048 -u root | |
| fio --randrepeat=1 --ioengine=libaio --direct=1 --gtod_reduce=1 --name=test --filename=test --bs=4k --iodepth=64 --size=4G --readwrite=randrw --rwmixread=75 |
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