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本帖最后由 webfan 于 2012-2-20 17:35 编辑
直接上数据,大家自己看- [root@MyVPS ~]# cat /proc/cpuinfo
- processor : 0
- vendor_id : GenuineIntel
- cpu family : 6
- model : 42
- model name : Intel(R) Core(TM) i5-2400 CPU @ 3.10GHz
- stepping : 7
- cpu MHz : 3092.972
- cache size : 6144 KB
- fdiv_bug : no
- hlt_bug : no
- f00f_bug : no
- coma_bug : no
- fpu : yes
- fpu_exception : yes
- cpuid level : 13
- wp : yes
- flags : fpu de tsc msr pae cx8 apic cmov pat clflush acpi mmx fxsr sse sse2 ss ht nx constant_tsc up nonstop_tsc pni ssse3 sse4_1 sse4_2 popcnt [8]
- bogomips : 7736.19
- [root@MyVPS ~]# free -m
- total used free shared buffers cached
- Mem: 256 253 3 0 20 182
- -/+ buffers/cache: 50 205
- Swap: 255 0 255
- [root@MyVPS ~]# df -h
- Filesystem Size Used Avail Use% Mounted on
- /dev/mapper/VolGroup00-LogVol00
- 9.3G 1.2G 7.7G 13% /
- /dev/xvda1 99M 29M 66M 31% /boot
- tmpfs 129M 0 129M 0% /dev/shm
- [root@MyVPS ~]# fdisk -l
- Disk /dev/xvda: 10.7 GB, 10737418240 bytes
- 255 heads, 63 sectors/track, 1305 cylinders
- Units = cylinders of 16065 * 512 = 8225280 bytes
- Device Boot Start End Blocks Id System
- /dev/xvda1 * 1 13 104391 83 Linux
- /dev/xvda2 14 1044 8281507+ 8e Linux LVM
- /dev/xvda3 1045 1305 2096482+ 8e Linux LVM
- Disk /dev/xvdb: 21.4 GB, 21474836480 bytes
- 255 heads, 63 sectors/track, 2610 cylinders
- Units = cylinders of 16065 * 512 = 8225280 bytes
- Disk /dev/xvdb doesn't contain a valid partition table
- [root@MyVPS ~]# vmstat
- procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu------
- r b swpd free buff cache si so bi bo in cs us sy id wa st
- 0 0 0 3112 20844 186904 0 0 46 33 23 51 1 1 98 1 0
- [root@MyVPS ~]# 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, 15.3009 seconds, 70.2 MB/s
- [root@MyVPS ~]# wget cachefly.cachefly.net/100mb.test -O /dev/null
- --2012-02-20 09:31:14-- 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 17.1M/s in 5.9s
- 2012-02-20 09:31:21 (16.9 MB/s) - `/dev/null' saved [104857600/104857600]
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