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- dd if=/dev/zero of=test bs=64k count=512 oflag=dsync
- 512+0 records in
- 512+0 records out
- 33554432 bytes (34 MB) copied, 15.3311 seconds, 2.2 MB/s
复制代码 
BUYVM拖budgetvm上的100M文件-
- Length: 104857600 (100M) [application/octet-stream]
- Saving to: `100mb.test'
- 100%[======================================>] 104,857,600 10.5M/s in 16s
- 2010-12-23 14:52:30 (6.26 MB/s) - `100mb.test' saved [104857600/104857600]
复制代码 HOSTRAIL拖budgetvm上的100M文件-
- HTTP request sent, awaiting response... 200 OK
- Length: 104857600 (100M) [application/octet-stream]
- Saving to: `100mb.test'
- 100%[======================================>] 104,857,600 4.01M/s in 26s
- 2010-12-23 14:48:15 (3.89 MB/s) - `100mb.test' saved [104857600/104857600]
复制代码 又测了下IO,这次更糟糕 成金刚石了  -
- [root@s2 conf]#dd if=/dev/zero of=test bs=64k count=512 oflag=dsync
- 512+0 records in
- 512+0 records out
- 33554432 bytes (34 MB) copied, 247.646 seconds, 135 kB/s
复制代码
[ 本帖最后由 skywing 于 2010-12-23 15:03 编辑 ] |
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