Category Archives: Linux

fio测试磁盘随机读写性能(iops)

随机读
fio –randrepeat=1 –ioengine=libaio –direct=1 –gtod_reduce=1 –name=wtest –filename=wtest –bs=4k –iodepth=64 –size=1G –readwrite=randread
在我本地测试,SSD是80K,HDD是0.6K

阿里云测试,高效云盘21K,SSD云盘24K,ESSD云盘28K

随机写
fio –randrepeat=1 –ioengine=[……]

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