
[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, 4.81385 seconds, 55.8 MB/s
[root@vps ~]# wget http://cachefly.cachefly.net/100mb.test
--2011-02-12 17:04:53-- 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.20'
100%[==============================================================>] 104,857,600 79.9M/s in 1.3s
2011-02-12 17:04:54 (79.9 MB/s) - `100mb.test.20' saved [104857600/104857600]


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