Wed Sep 17 15:20:15 EDT 2008 - Linux 64-bit - m1.large real 0m0.024s user 0m0.000s sys 0m0.020s RUN 2 : time dd if=/dev/zero of=.//test1-10240000 count=1 bs=10240000 1+0 records in 1+0 records out 10240000 bytes (10 MB) copied, 0.02123 s, 482 MB/s real 0m0.051s user 0m0.000s sys 0m0.024s RUN 3 : time dd if=/dev/zero of=.//test1-10240000 count=1 bs=10240000 1+0 records in 1+0 records out 10240000 bytes (10 MB) copied, 0.020291 s, 505 MB/s real 0m0.024s user 0m0.000s sys 0m0.018s RUN 1 : time dd if=/dev/zero of=.//test1-102400000 count=1 bs=102400000 1+0 records in 1+0 records out 102400000 bytes (102 MB) copied, 0.197497 s, 518 MB/s real 0m0.203s user 0m0.000s sys 0m0.197s RUN 2 : time dd if=/dev/zero of=.//test1-102400000 count=1 bs=102400000 1+0 records in 1+0 records out 102400000 bytes (102 MB) copied, 0.232476 s, 440 MB/s real 0m0.238s user 0m0.000s sys 0m0.201s RUN 3 : time dd if=/dev/zero of=.//test1-102400000 count=1 bs=102400000 1+0 records in 1+0 records out 102400000 bytes (102 MB) copied, 0.203996 s, 502 MB/s real 0m0.210s user 0m0.000s sys 0m0.200s RUN 1 : time dd if=/dev/zero of=.//test1-1024000000 count=1 bs=1024000000 1+0 records in 1+0 records out 1024000000 bytes (1.0 GB) copied, 2.0151 s, 508 MB/s real 0m2.044s user 0m0.000s sys 0m2.000s RUN 2 : time dd if=/dev/zero of=.//test1-1024000000 count=1 bs=1024000000 1+0 records in 1+0 records out 1024000000 bytes (1.0 GB) copied, 2.10632 s, 486 MB/s real 0m2.139s user 0m0.000s sys 0m2.035s RUN 3 : time dd if=/dev/zero of=.//test1-1024000000 count=1 bs=1024000000 1+0 records in 1+0 records out 1024000000 bytes (1.0 GB) copied, 2.05709 s, 498 MB/s real 0m2.192s user 0m0.000s sys 0m2.101s -----/data---------------------------------------------------------- RUN 1 : time dd if=/dev/zero of=/data/test1-10240000 count=1 bs=10240000 1+0 records in 1+0 records out 10240000 bytes (10 MB) copied, 0.020766 s, 493 MB/s real 0m0.024s user 0m0.000s sys 0m0.015s RUN 2 : time dd if=/dev/zero of=/data/test1-10240000 count=1 bs=10240000 1+0 records in 1+0 records out 10240000 bytes (10 MB) copied, 0.021292 s, 481 MB/s real 0m0.024s user 0m0.000s sys 0m0.024s RUN 3 : time dd if=/dev/zero of=/data/test1-10240000 count=1 bs=10240000 1+0 records in 1+0 records out 10240000 bytes (10 MB) copied, 0.020508 s, 499 MB/s real 0m0.024s user 0m0.000s sys 0m0.018s RUN 1 : time dd if=/dev/zero of=/data/test1-102400000 count=1 bs=102400000 1+0 records in 1+0 records out 102400000 bytes (102 MB) copied, 0.201177 s, 509 MB/s real 0m0.206s user 0m0.000s sys 0m0.198s RUN 2 : time dd if=/dev/zero of=/data/test1-102400000 count=1 bs=102400000 1+0 records in 1+0 records out 102400000 bytes (102 MB) copied, 0.21623 s, 474 MB/s real 0m0.222s user 0m0.000s sys 0m0.204s RUN 3 : time dd if=/dev/zero of=/data/test1-102400000 count=1 bs=102400000 1+0 records in 1+0 records out 102400000 bytes (102 MB) copied, 0.203179 s, 504 MB/s real 0m0.209s user 0m0.000s sys 0m0.206s RUN 1 : time dd if=/dev/zero of=/data/test1-1024000000 count=1 bs=1024000000 1+0 records in 1+0 records out 1024000000 bytes (1.0 GB) copied, 2.11131 s, 485 MB/s real 0m2.144s user 0m0.000s sys 0m2.042s RUN 2 : time dd if=/dev/zero of=/data/test1-1024000000 count=1 bs=1024000000 1+0 records in 1+0 records out 1024000000 bytes (1.0 GB) copied, 2.18815 s, 468 MB/s real 0m2.329s user 0m0.000s sys 0m2.136s RUN 3 : time dd if=/dev/zero of=/data/test1-1024000000 count=1 bs=1024000000 1+0 records in 1+0 records out 1024000000 bytes (1.0 GB) copied, 2.124 s, 482 MB/s real 0m2.154s user 0m0.000s sys 0m2.022s -----/mnt---------------------------------------------------------- RUN 1 : time dd if=/dev/zero of=/mnt/test1-10240000 count=1 bs=10240000 1+0 records in 1+0 records out 10240000 bytes (10 MB) copied, 0.02056 s, 498 MB/s real 0m0.024s user 0m0.000s sys 0m0.022s RUN 2 : time dd if=/dev/zero of=/mnt/test1-10240000 count=1 bs=10240000 1+0 records in 1+0 records out 10240000 bytes (10 MB) copied, 0.020387 s, 502 MB/s real 0m0.024s user 0m0.001s sys 0m0.021s RUN 3 : time dd if=/dev/zero of=/mnt/test1-10240000 count=1 bs=10240000 1+0 records in 1+0 records out 10240000 bytes (10 MB) copied, 0.020457 s, 501 MB/s real 0m0.024s user 0m0.000s sys 0m0.021s RUN 1 : time dd if=/dev/zero of=/mnt/test1-102400000 count=1 bs=102400000 1+0 records in 1+0 records out 102400000 bytes (102 MB) copied, 0.227323 s, 450 MB/s real 0m0.233s user 0m0.001s sys 0m0.203s RUN 2 : time dd if=/dev/zero of=/mnt/test1-102400000 count=1 bs=102400000 1+0 records in 1+0 records out 102400000 bytes (102 MB) copied, 0.215362 s, 475 MB/s real 0m0.221s user 0m0.000s sys 0m0.203s RUN 3 : time dd if=/dev/zero of=/mnt/test1-102400000 count=1 bs=102400000 1+0 records in 1+0 records out 102400000 bytes (102 MB) copied, 0.199441 s, 513 MB/s real 0m0.205s user 0m0.000s sys 0m0.199s RUN 1 : time dd if=/dev/zero of=/mnt/test1-1024000000 count=1 bs=1024000000 1+0 records in 1+0 records out 1024000000 bytes (1.0 GB) copied, 1.97729 s, 518 MB/s real 0m2.006s user 0m0.000s sys 0m1.997s RUN 2 : time dd if=/dev/zero of=/mnt/test1-1024000000 count=1 bs=1024000000 1+0 records in 1+0 records out 1024000000 bytes (1.0 GB) copied, 2.10108 s, 487 MB/s real 0m2.133s user 0m0.000s sys 0m2.028s RUN 3 : time dd if=/dev/zero of=/mnt/test1-1024000000 count=1 bs=1024000000 1+0 records in 1+0 records out 1024000000 bytes (1.0 GB) copied, 2.01901 s, 507 MB/s real 0m2.116s user 0m0.001s sys 0m2.021s -----/tmp---------------------------------------------------------- RUN 1 : time dd if=/dev/zero of=/tmp/test1-10240000 count=1 bs=10240000 1+0 records in 1+0 records out 10240000 bytes (10 MB) copied, 0.020197 s, 507 MB/s real 0m0.024s user 0m0.000s sys 0m0.016s RUN 2 : time dd if=/dev/zero of=/tmp/test1-10240000 count=1 bs=10240000 1+0 records in 1+0 records out 10240000 bytes (10 MB) copied, 0.048247 s, 212 MB/s real 0m0.051s user 0m0.000s sys 0m0.013s RUN 3 : time dd if=/dev/zero of=/tmp/test1-10240000 count=1 bs=10240000 1+0 records in 1+0 records out 10240000 bytes (10 MB) copied, 0.020487 s, 500 MB/s real 0m0.024s user 0m0.000s sys 0m0.022s RUN 1 : time dd if=/dev/zero of=/tmp/test1-102400000 count=1 bs=102400000 1+0 records in 1+0 records out 102400000 bytes (102 MB) copied, 0.201066 s, 509 MB/s real 0m0.206s user 0m0.000s sys 0m0.202s RUN 2 : time dd if=/dev/zero of=/tmp/test1-102400000 count=1 bs=102400000 1+0 records in 1+0 records out 102400000 bytes (102 MB) copied, 0.22922 s, 447 MB/s real 0m0.235s user 0m0.000s sys 0m0.206s RUN 3 : time dd if=/dev/zero of=/tmp/test1-102400000 count=1 bs=102400000 1+0 records in 1+0 records out 102400000 bytes (102 MB) copied, 0.199524 s, 513 MB/s real 0m0.205s user 0m0.000s sys 0m0.199s RUN 1 : time dd if=/dev/zero of=/tmp/test1-1024000000 count=1 bs=1024000000 1+0 records in 1+0 records out 1024000000 bytes (1.0 GB) copied, 2.07048 s, 495 MB/s real 0m2.101s user 0m0.000s sys 0m2.020s RUN 2 : time dd if=/dev/zero of=/tmp/test1-1024000000 count=1 bs=1024000000 1+0 records in 1+0 records out 1024000000 bytes (1.0 GB) copied, 1.98964 s, 515 MB/s real 0m2.019s user 0m0.000s sys 0m1.979s RUN 3 : time dd if=/dev/zero of=/tmp/test1-1024000000 count=1 bs=1024000000 1+0 records in 1+0 records out 1024000000 bytes (1.0 GB) copied, 2.05792 s, 498 MB/s real 0m2.087s user 0m0.000s sys 0m1.999s Wed Sep 17 15:22:02 EDT 2008