CloudGarage 早速いじってみた - Part.03 サーバー作成 & ベンチマーク ref: http://qiita.com/FoxBoxsnet/items/859723042dae238ac2d2

bash

root@ubuntu01:~# dd if=/dev/zero of=/tmp/write.tmp ibs=1M obs=1M count=1024 && rm /tmp/write.tmp
1024+0 records in
1024+0 records out
1073741824 bytes (1.1 GB, 1.0 GiB) copied, 1.03311 s, 1.0 GB/s
root@ubuntu01:~# dd if=/dev/zero of=/tmp/write.tmp ibs=1M obs=1M count=2048 && rm /tmp/write.tmp
2048+0 records in
2048+0 records out
2147483648 bytes (2.1 GB, 2.0 GiB) copied, 2.17298 s, 988 MB/s
root@ubuntu01:~# dd if=/dev/zero of=/tmp/write.tmp ibs=1M obs=1M count=4096 && rm /tmp/write.tmp
4096+0 records in
4096+0 records out
4294967296 bytes (4.3 GB, 4.0 GiB) copied, 4.16038 s, 1.0 GB/s
root@ubuntu01:~# dd if=/dev/zero of=/tmp/write.tmp ibs=1M obs=1M count=8192 && rm /tmp/write.tmp
8192+0 records in
8192+0 records out
8589934592 bytes (8.6 GB, 8.0 GiB) copied, 8.76461 s, 980 MB/s
root@ubuntu01:~# dd if=/dev/zero of=/tmp/write.tmp ibs=1M obs=1M count=16384 && rm /tmp/write.tmp
16384+0 records in
16384+0 records out
17179869184 bytes (17 GB, 16 GiB) copied, 18.8063 s, 914 MB/s
root@ubuntu01:~# dd if=/dev/zero of=/tmp/write.tmp ibs=1M obs=1M count=32768 && rm /tmp/write.tmp
32768+0 records in
32768+0 records out
34359738368 bytes (34 GB, 32 GiB) copied, 37.779 s, 909 MB/s
root@ubuntu01:~# dd if=/dev/zero of=/tmp/write.tmp ibs=1M obs=1M count=65536 && rm /tmp/write.tmp
65536+0 records in
65536+0 records out
68719476736 bytes (69 GB, 64 GiB) copied, 78.7123 s, 873 MB/s