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本帖最后由 kaleok 于 2016-7-28 00:28 编辑
Intel(R) Core(TM) i5-3570S CPU @ 3.10GHz
Intel(R) Core(TM) i5-3570S CPU @ 3.10GHz
Intel(R) Core(TM) i5-3570S CPU @ 3.10GHz
Intel(R) Core(TM) i5-3570S CPU @ 3.10GHz
KiB Mem : 16321536 total, 15663084 free, 204024 used, 454428 buff/cache
KiB Swap: 523260 total, 523260 free, 0 used. 16030752 avail Mem
9 Power_On_Hours 0x0012 098 098 000 Old_age Always - 19915
Datacenter
BHS2 - Rack
Filesystem Size Used Avail Use% Mounted on
/dev/root 20G 953M 18G 6% /
devtmpfs 7.8G 0 7.8G 0% /dev
tmpfs 7.8G 0 7.8G 0% /dev/shm
tmpfs 7.8G 9.5M 7.8G 1% /run
tmpfs 7.8G 0 7.8G 0% /sys/fs/cgroup
/dev/sda3 1.8T 68M 1.7T 1% /home
tmpfs 1.6G 0 1.6G 0% /run/user/0
[root@ns500726 ~]# time dd of=1Gb.file if=/dev/zero bs=1024 count=1000000
1000000+0 records in
1000000+0 records out
1024000000 bytes (1.0 GB) copied, 6.17005 s, 166 MB/s
real 0m6.536s
user 0m0.088s
sys 0m1.372s
[root@ns500726 ~]# ^C
[root@ns500726 ~]# ime dd of=1Gb.file if=/dev/zero bs=1024 count=1000000
-bash: ime: command not found
[root@ns500726 ~]# time dd of=1Gb.file if=/dev/zero bs=1024 count=1000000
1000000+0 records in
1000000+0 records out
1024000000 bytes (1.0 GB) copied, 6.17369 s, 166 MB/s
real 0m6.261s
user 0m0.060s
sys 0m1.388s
[root@ns500726 ~]# time dd of=1Gb.file if=/dev/zero bs=1024 count=1000000
1000000+0 records in
1000000+0 records out
1024000000 bytes (1.0 GB) copied, 6.38358 s, 160 MB/s
real 0m6.471s
user 0m0.084s
sys 0m1.352s
[root@ns500726 ~]# time dd if=/dev/zero bs=1024 count=1000000 of=1Gb.file
1000000+0 records in
1000000+0 records out
1024000000 bytes (1.0 GB) copied, 6.40754 s, 160 MB/s
real 0m6.495s
user 0m0.084s
sys 0m1.348s
[root@ns500726 ~]#
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