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发表于 2011-8-18 09:47:09
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# 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, 33.6677 seconds, 8.0 MB/s
]# 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, 30.9478 seconds, 8.7 MB/s
老的那个1刀3个月的硬盘IO,看看就知道了 |
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