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- [root@st ~]# df -h
- Filesystem Size Used Avail Use% Mounted on
- /dev/simfs 50G 545M 50G 2% /
- none 2.0G 4.0K 2.0G 1% /dev
- [root@st ~]# free -m
- total used free shared buffers cached
- Mem: 4096 22 4073 0 0 0
- -/+ buffers/cache: 22 4073
- Swap: 0 0 0
- [root@st ~]# 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, 10.3649 seconds, 25.9 MB/s
- [root@st ~]# dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync
- 16384+0 records in
- 16384+0 records out
- 1073741824 bytes (1.1 GB) copied, 25.4241 seconds, 42.2 MB/s
- [root@st ~]# wget -O /dev/null http://cachefly.cachefly.net/100mb.test
- --2012-03-26 08:19:07-- 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: `/dev/null'
- 100%[=================================================================>] 104,857,600 11.2M/s in 9.2s
- 2012-03-26 08:19:17 (10.9 MB/s) - `/dev/null' saved [104857600/104857600]
- [root@st ~]#
复制代码 单盘 ,没raid啥的。。。 |
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