你的 17欧 CPU 怎么是 1240 ?
CPU model : Intel(R) Xeon(R) CPU E3-1240 V2 @ 3.40GHz
Number of cores : 8
CPU frequency : 3606.921 MHz
Total size of Disk : 916.2 GB (205.0 GB Used)
Total amount of Mem : 16016 MB (15844 MB Used)
Total amount of Swap : 1048 MB (1048 MB Used)
jyp 发表于 2017-7-3 23:17
用fdatasync吧。。。dsync是读取后就回写
17o:
# 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, 13.6179 s, 78.8 MB/s
20o:
# 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, 8.37684 s, 128 MB/s