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标题: DD这样算差么? [打印本页]

作者: neolee    时间: 2011-5-6 19:59
标题: DD这样算差么?
[root@vps ~]# dd if=/dev/zero of=./test.bin bs=1M count=256 conv=fsync
256+0 records in
256+0 records out
268435456 bytes (268 MB) copied, 1.37653 seconds, 195 MB/s

[root@vps ~]# dd if=/dev/zero of=test bs=64k count=4k oflag=dsync
4096+0 records in
4096+0 records out
268435456 bytes (268 MB) copied, 6.06734 seconds, 44.2 MB/s

DS的6刀




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