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| 以下为 BlueVM 家两个母鸡对比测试,元芳,你怎么看?   
 母鸡A
 复制代码[root@xxx ~]# wget http://cachefly.cachefly.net/100mb.test
--2013-01-22 17:41:26--  http://cachefly.cachefly.net/100mb.test
Resolving cachefly.cachefly.net... 205.234.175.175
Connecting to cachefly.cachefly.net|205.234.175.175|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 104857600 (100M) [application/octet-stream]
Saving to: `100mb.test'
100%[===============================================================>] 104,857,600 70.7M/s   in 1.4s    
2013-01-22 17:41:28 (70.7 MB/s) - `100mb.test' saved [104857600/104857600]
[root@xxx ~]# wget http://cachefly.cachefly.net/100mb.test
--2013-01-22 17:41:30--  http://cachefly.cachefly.net/100mb.test
Resolving cachefly.cachefly.net... 205.234.175.175
Connecting to cachefly.cachefly.net|205.234.175.175|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 104857600 (100M) [application/octet-stream]
Saving to: `100mb.test.1'
100%[===============================================================>] 104,857,600 71.2M/s   in 1.4s    
2013-01-22 17:41:31 (71.2 MB/s) - `100mb.test.1' saved [104857600/104857600]
母鸡B复制代码[root@xxx ~]# 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, 5.3491 seconds, 50.2 MB/s
[root@xxx ~]# 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, 4.77459 seconds, 56.2 MB/s
复制代码[root@yyy ~]# wget http://cachefly.cachefly.net/100mb.test
--2013-01-22 17:59:35--  http://cachefly.cachefly.net/100mb.test
Resolving cachefly.cachefly.net... 205.234.175.175
Connecting to cachefly.cachefly.net|205.234.175.175|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 104857600 (100M) [application/octet-stream]
Saving to: `100mb.test'
100%[===============================================================>] 104,857,600 15.6M/s   in 7.2s    
2013-01-22 17:59:42 (13.8 MB/s) - `100mb.test' saved [104857600/104857600]
[root@yyy ~]# wget http://cachefly.cachefly.net/100mb.test
--2013-01-22 17:59:45--  http://cachefly.cachefly.net/100mb.test
Resolving cachefly.cachefly.net... 205.234.175.175
Connecting to cachefly.cachefly.net|205.234.175.175|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 104857600 (100M) [application/octet-stream]
Saving to: `100mb.test.1'
100%[===============================================================>] 104,857,600 13.8M/s   in 7.1s    
2013-01-22 17:59:52 (14.0 MB/s) - `100mb.test.1' saved [104857600/104857600]
复制代码[root@yyy ~]# 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, 25.4198 seconds, 10.6 MB/s
[root@yyy ~]# 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, 25.2569 seconds, 10.6 MB/s
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