nodeserv杰克威尔逊
[root@nodeserv ~]# time dd if=/dev/zero of=/test.dbf bs=8k count=300000
300000+0 records in
300000+0 records out
2457600000 bytes (2.5 GB) copied, 35.8926 s, 68.5 MB/s
real 0m35.908s
user 0m0.056s
sys 0m3.406s
hostodo us
[root@Hostodo ~]# time dd if=/dev/zero of=/test.dbf bs=8k count=300000
300000+0 records in
300000+0 records out
2457600000 bytes (2.5 GB) copied, 54.438 s, 45.1 MB/s
real 0m54.523s
user 0m0.083s
sys 0m3.895s
盛大
[root@SD~]# time dd if=/dev/zero of=/test.dbf bs=8k count=300000
300000+0 records in
300000+0 records out
2457600000 bytes (2.5 GB) copied, 13.6499 s, 180 MB/s
创宇ssd
[root@cy ~]# time dd if=/dev/zero of=/test.dbf bs=8k count=300000
300000+0 records in
300000+0 records out
2457600000 bytes (2.5 GB) copied, 6.42195 s, 383 MB/s
real 0m6.445s
user 0m0.101s
sys 0m3.306s
vlutr jp ssd
[root@vultr ~]# time dd if=/dev/zero of=/test.dbf bs=8k count=300000
300000+0 records in
300000+0 records out
2457600000 bytes (2.5 GB) copied, 5.26012 s, 467 MB/s
real 0m5.264s
user 0m0.045s
sys 0m2.231s
[root@vultr ~]#
瓦工
[root@ss_128M ~]# time dd if=/dev/zero of=/test.dbf bs=8k count=300000
dd: writing `/test.dbf': Disk quota exceeded
289080+0 records in
289079+0 records out
2368139264 bytes (2.4 GB) copied, 7.4061 s, 320 MB/s