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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
[ol][root@MyVPS ~]# cat /proc/cpuinfoprocessor : 0vendor_id : GenuineIntelcpu family : 6model : 42model name : Intel(R) Core(TM) i5-2400 CPU @ 3.10GHzstepping : 7cpu MHz : 3092.972cache size : 6144 KBfdiv_bug : nohlt_bug : nof00f_bug : nocoma_bug : nofpu : yesfpu_exception : yescpuid level : 13wp : yesflags : 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 cachedMem: 256 253 3 0 20 182-/+ buffers/cache: 50 205Swap: 255 0 255[root@MyVPS ~]# df -hFilesystem Size Used Avail Use% Mounted on/dev/mapper/VolGroup00-LogVol00 9.3G 1.2G 7.7G 13% //dev/xvda1 99M 29M 66M 31% /boottmpfs 129M 0 129M 0% /dev/shm[root@MyVPS ~]# fdisk -lDisk /dev/xvda: 10.7 GB, 10737418240 bytes255 heads, 63 sectors/track, 1305 cylindersUnits = 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 LVMDisk /dev/xvdb: 21.4 GB, 21474836480 bytes255 heads, 63 sectors/track, 2610 cylindersUnits = cylinders of 16065 * 512 = 8225280 bytesDisk /dev/xvdb doesn't contain a valid partition table[root@MyVPS ~]# vmstatprocs -----------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=fdatasync16384+0 records in16384+0 records out1073741824 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.testResolving cachefly.cachefly.net... 205.234.175.175Connecting to cachefly.cachefly.net|205.234.175.175|:80... connected.HTTP request sent, awaiting response... 200 OKLength: 104857600 (100M) [application/octet-stream]Saving to: `/dev/null'100%[======================================>] 104,857,600 17.1M/s in 5.9s2012-02-20 09:31:21 (16.9 MB/s) - `/dev/null' saved [104857600/104857600][/ol]复制代码 |
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