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发表于 2012-4-12 17:44:27
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[root@s ~]# dd if=/dev/zero of=test.bin bs=64k count=4k oflag=dsync
4096+0 records in
4096+0 records out
268435456 bytes (268 MB) copied, 5.47355 seconds, 49.0 MB/s
[root@s ~]# dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB) copied, 9.9462 seconds, 108 MB/s
[root@s ~]#
我这个算好还是差呢。vps |
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