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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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