万网云主机和阿里云硬盘对比
万网云主机配置
四核E5520 @ 2.27GHz
4g
500g
5m带宽
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[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
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阿里云配置
1核处理器
512M
1Mbps
容量40GB
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[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
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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
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万网配置价格:
同配置阿里云配置
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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。
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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)