#dd if=/dev/zero of=test bs=64k count=16k
#1073741824 bytes (1.1 GB) copied, 6.42295 s, 167 MB/s
dd if=/dev/zero of=test bs=64k count=16k conv=fsync
1073741824 bytes (1.1 GB) copied, 7.94154 s, 135 MB/s
dd if=/dev/zero of=test bs=64k count=4k oflag=dsync
268435456 bytes (268 MB) copied, 232.717 s, 1.2 MB/s
会不会很囧,拿来当email Sever的, 看看要不要换SSD?
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