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刚测试了一下,还可以嘛  - root@vps:~# 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, 4.39043 s, 61.1 MB/s
- root@vps:~# 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, 6.17235 s, 43.5 MB/s
- root@vps:~# 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, 3.73181 s, 71.9 MB/s
- root@vps:~#
复制代码- root@vps:~# wget http://cachefly.cachefly.net/100mb.test
- --2012-09-19 10:12:43-- 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.4'
- 100%[===================================================================>] 104,857,600 25.8M/s in 3.9s
- 2012-09-19 10:12:47 (25.7 MB/s) - `100mb.test.4' saved [104857600/104857600]
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