标题: 该不该留着呢? [打印本页] 作者: 东方星雨 时间: 2013-5-15 08:43 标题: 该不该留着呢? 15刀年付的Yard
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, 5.44394 seconds, 49.3 MB/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, 15.5177 seconds, 69.2 MB/s
time dd if=/dev/zero bs=1024 count=1000000 of=/1Gb.file
1000000+0 records in
1000000+0 records out
1024000000 bytes (1.0 GB) copied, 9.47511 seconds, 108 MB/s