这个如何？

dhhp

[root@localhost ~]# dd if=/dev/zero of=test bs=64k count=4k
\4096+0 records in
4096+0 records out
268435456 bytes (268 MB) copied, 0.721082 seconds, 372 MB/s
[root@localhost ~]# dd if=/dev/zero of=test bs=64k count=4k
4096+0 records in
4096+0 records out
268435456 bytes (268 MB) copied, 0.805793 seconds, 333 MB/s
[root@localhost ~]# dd if=/dev/zero of=test bs=64k count=4k
4096+0 records in
4096+0 records out
268435456 bytes (268 MB) copied, 0.568286 seconds, 472 MB/s
[root@localhost ~]# dd if=/dev/zero of=test bs=64k count=4k
4096+0 records in
4096+0 records out
268435456 bytes (268 MB) copied, 1.55225 seconds, 173 MB/s
[root@localhost ~]# dd if=/dev/zero of=test bs=64k count=4k
4096+0 records in
4096+0 records out
268435456 bytes (268 MB) copied, 1.75248 seconds, 153 MB/s
[root@localhost ~]# dd if=/dev/zero of=test bs=64k count=4k
4096+0 records in
4096+0 records out
268435456 bytes (268 MB) copied, 0.553264 seconds, 485 MB/s
[root@localhost ~]#

Kvm

内存读写速度一般

Roger

其实是还行。

lazyzhu

楼主忽悠？

金关村村长

鲁国