测试纯写入性能
dd if=/dev/zero of=test bs=8k count=10000 oflag=direct
测试纯读取性能
dd if=test of=/dev/null bs=8k count=10000 iflag=direct
https://www.cnblogs.com/chendeming/p/16423231.html
标签:8k,10000,读写,bs,direct,linux,test,磁盘,dd
来源: https://www.cnblogs.com/lazysang/p/16493562.html