万网云主机和阿里云硬盘对比

admin2012-11-22linux133
万网云主机配置 四核E5520  @ 2.27GHz 4g 500g 5m带宽 #################################### [root@net.cn ~]# fdisk -l Disk /dev/hda: 53.6 GB, 53687091200 bytes 255 heads, 63 sectors/track, 6527 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/hda1 * 1 6004 48227098+ 83 Linux /dev/hda2 6005 6526 4192965 82 Linux swap / Solaris Disk /dev/xvdb: 472.4 GB, 472446402560 bytes 255 heads, 63 sectors/track, 57438 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/xvdb1 1 57438 461370703+ 83 Linux [root@net.cn ~]# hdparm -Tt /dev/hda /dev/hda: Timing cached reads: 12228 MB in 2.00 seconds = 6118.64 MB/sec Timing buffered disk reads: 62 MB in 3.12 seconds = 19.86 MB/sec [root@net.cn ~]# hdparm -Tt /dev/xvdb /dev/xvdb: Timing cached reads: 14988 MB in 2.00 seconds = 7499.57 MB/sec Timing buffered disk reads: 62 MB in 3.06 seconds = 20.27 MB/sec #################################### 阿里云配置 1核处理器 512M 1Mbps 容量40GB #################################### [root@aliyun ~]# fdisk -l Disk /dev/hda: 21.4 GB, 21474836480 bytes 255 heads, 63 sectors/track, 2610 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/hda1 * 1 2610 20964793+ 83 Linux 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@aliyun ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/hda1 20G 2.5G 16G 14% / tmpfs 252M 0 252M 0% /dev/shm [root@aliyun ~]# hdparm -Tt /dev/hda /dev/hda: Timing cached reads: 28536 MB in 2.00 seconds = 14302.39 MB/sec Timing buffered disk reads: 64 MB in 3.09 seconds = 20.71 MB/sec [root@aliyun ~]# hdparm -Tt /dev/xvdb /dev/xvdb: Timing cached reads: 28248 MB in 2.00 seconds = 14155.98 MB/sec Timing buffered disk reads: 828 MB in 3.00 seconds = 275.82 MB/sec #################################### 可以看看sata硬盘和sas硬盘读写的对比 http://py.10isp.com/250 从上面的数据可以看出万网的云主机硬盘io很坑爹 不建议购买 #################################### 万网配置价格: 同配置阿里云配置 #################################### 网络延时对比 112.125.122.x 北京市 北京万网志成科技有限公司 42.120.16.x 上海市 阿里巴巴软件(上海)有限公司 国内电信节点测试 112.125.122.x 平均 36.579ms 42.120.16.x 平均 22.55ms 国内非电信运营商延时对比 112.125.122.x 平均 21.911ms 42.120.16.x 平均 54.853ms 非电信的节点都是北方节点,对万网云比较有利。 #################################### 综合评价: 对带宽要求小,稳定性要求高,硬盘io要求高,月付,推荐阿里云 万网云主机硬盘io太差,放小网站系统负载都会异常。(据说用的阿里云主机的技术,看来并不是)