digitalocean kvm vps简单测评(512M旧金山)

刚买的digitalocean的VPS，基于KVM，选的是旧金山数据中心对国内非常友好电信和联通都是直连的。简单的查看了一下VPS的参数，CPU被虚拟了，限制2G主频对于建站来说足够了，wget下载看来G口无疑了，后台有一键备份工具非常简单，如果数据丢失可以一键还原。官方网站：www.digitalocean.com 贴上来，后面再去折腾吧：

可能你还会喜欢看 digitalocean注册及使用简单教程 注册：官方网站：www.digitalocean.com

据我所知，国人对于ping非常的看重（下图是主机测评购买的旧金山VPS ping测试）：

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下载 这块儿我们都很重视，检测带宽的标准，差不多G口吧：看看本人6M广州联通下载测试：

https://www.xixizhuji.com/lnmp1.0-full.tar.gz 你可以试试

root@hello:~# wget http://cachefly.cachefly.net/100mb.test

–2013-05-31 14:35:14– http://cachefly.cachefly.net/100mb.test

Resolving cachefly.cachefly.net (cachefly.cachefly.net)… 205.234.175.175

Connecting to cachefly.cachefly.net (cachefly.cachefly.net)|205.234.175.175|:80… connected.

HTTP request sent, awaiting response… 200 OK

Length: 104857600 (100M) [application/octet-stream]

Saving to: `100mb.test’

100%[======================================>] 104,857,600 32.5M/s in 3.1s

2013-05-31 14:35:17 (32.5 MB/s) – `100mb.test’ saved [104857600/104857600]

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广州电信：

|——————————————————————————————|

| WinMTR statistics |

| Host – % | Sent | Recv | Best | Avrg | Wrst | Last |

|————————————————|——|——|——|——|——|——|

| No response from host – 100 | 6 | 0 | 0 | 0 | 0 | 0 |

| No response from host – 100 | 6 | 0 | 0 | 0 | 0 | 0 |

| 219.136.206.97 – 0 | 35 | 35 | 1 | 6 | 23 | 2 |

| 58.63.230.54 – 0 | 35 | 35 | 1 | 7 | 94 | 1 |

| 183.56.31.61 – 0 | 35 | 35 | 0 | 7 | 70 | 5 |

| 183.56.30.1 – 0 | 35 | 35 | 2 | 4 | 18 | 3 |

| 202.97.33.170 – 0 | 35 | 35 | 1 | 1 | 3 | 2 |

| 202.97.34.90 – 0 | 35 | 35 | 1 | 2 | 4 | 2 |

| 202.97.51.138 – 0 | 35 | 35 | 159 | 160 | 163 | 162 |

| 202.97.90.126 – 0 | 35 | 35 | 174 | 279 | 378 | 256 |

| xe-5-0-3.ar1.lax2.us.nlayer.net – 0 | 35 | 35 | 160 | 163 | 181 | 163 |

| ae0-40g.cr1.lax2.us.nlayer.net – 8 | 26 | 24 | 184 | 248 | 321 | 277 |

| xe-4-2-0.cr1.sjc1.us.nlayer.net – 0 | 35 | 35 | 171 | 176 | 228 | 176 |

| ae1-70g.cr1.pao1.us.nlayer.net – 0 | 35 | 35 | 182 | 183 | 196 | 185 |

| ae1-70g.cr1.sfo1.us.nlayer.net – 4 | 30 | 29 | 178 | 180 | 211 | 186 |

| as14061.ae5-401.cr1.sfo1.us.nlayer.net – 0 | 35 | 35 | 204 | 207 | 216 | 208 |

| stablevm.net – 0 | 35 | 35 | 172 | 172 | 178 | 176 |

|________________________________________________|______|______|______|______|______|______|

WinMTR v0.92 GPL V2 by Appnor MSP – Fully Managed Hosting & Cloud Provider

CPU的情况，基于KVM坑定是被虚拟过的，不过还给了2299Mhz的主频我想建站绰绰有余！

root@hello:~# cat /proc/cpuinfo

processor : 0

vendor_id : GenuineIntel

cpu family : 6

model : 2

model name : QEMU Virtual CPU version 1.2.0

stepping : 3

microcode : 0x1

cpu MHz : 2299.998

cache size : 4096 KB

fdiv_bug : no

hlt_bug : no

f00f_bug : no

coma_bug : no

fpu : yes

fpu_exception : yes

cpuid level : 4

wp : yes

flags : fpu de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pse36 clflush mmx fxsr sse sse2 syscall nx lm up pni vmx cx16 popcnt hypervisor lahf_lm

bogomips : 4599.99

clflush size : 64

cache_alignment : 64

address sizes : 40 bits physical, 48 bits virtual

power management:

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内存情况没啥好说的：

root@hello:~# cat /proc/meminfo

MemTotal: 514452 kB

MemFree: 323520 kB

Buffers: 20432 kB

Cached: 148912 kB

SwapCached: 0 kB

Active: 92728 kB

Inactive: 82948 kB

Active(anon): 6348 kB

Inactive(anon): 108 kB

Active(file): 86380 kB

Inactive(file): 82840 kB

Unevictable: 0 kB

Mlocked: 0 kB

HighTotal: 0 kB

HighFree: 0 kB

LowTotal: 514452 kB

LowFree: 323520 kB

SwapTotal: 0 kB

SwapFree: 0 kB

Dirty: 0 kB

Writeback: 0 kB

AnonPages: 6344 kB

Mapped: 6688 kB

Shmem: 128 kB

Slab: 10872 kB

SReclaimable: 7404 kB

SUnreclaim: 3468 kB

KernelStack: 904 kB

PageTables: 416 kB

NFS_Unstable: 0 kB

Bounce: 0 kB

WritebackTmp: 0 kB

CommitLimit: 257224 kB

Committed_AS: 58804 kB

VmallocTotal: 509952 kB

VmallocUsed: 1824 kB

VmallocChunk: 507888 kB

HardwareCorrupted: 0 kB

AnonHugePages: 0 kB

HugePages_Total: 0

HugePages_Free: 0

HugePages_Rsvd: 0

HugePages_Surp: 0

Hugepagesize: 2048 kB

DirectMap4k: 30712 kB

DirectMap2M: 493568 kB

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查看下硬盘

root@hello:~# df -lh

Filesystem Size Used Avail Use% Mounted on

rootfs 20G 854M 18G 5% /

udev 10M 0 10M 0% /dev

tmpfs 51M 124K 51M 1% /run

/dev/disk/by-label/DOROOT 20G 854M 18G 5% /

tmpfs 5.0M 0 5.0M 0% /run/lock

tmpfs 101M 0 101M 0% /run/shm

–

硬盘DD检测，

root@hello:~# hdparm -t /dev/sda

/dev/sda:

Timing buffered disk reads: 964 MB in 3.00 seconds = 321.21 MB/sec

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VPS整体性能跑分测试：

Benchmark Run: Sun Jun 02 2013 09:37:11 – 10:05:04

1 CPU in system; running 1 parallel copy of tests

Dhrystone 2 using register variables 15040664.3 lps (10.0 s, 7 samples)

Double-Precision Whetstone 2417.8 MWIPS (10.2 s, 7 samples)

Execl Throughput 4077.4 lps (30.0 s, 2 samples)

File Copy 1024 bufsize 2000 maxblocks 596775.4 KBps (30.0 s, 2 samples)

File Copy 256 bufsize 500 maxblocks 193189.4 KBps (30.0 s, 2 samples)

File Copy 4096 bufsize 8000 maxblocks 1314105.9 KBps (30.0 s, 2 samples)

Pipe Throughput 1098540.9 lps (10.0 s, 7 samples)

Pipe-based Context Switching 251474.8 lps (10.0 s, 7 samples)

Process Creation 13426.7 lps (30.0 s, 2 samples)

Shell Scripts (1 concurrent) 6320.8 lpm (60.0 s, 2 samples)

Shell Scripts (8 concurrent) 825.6 lpm (60.0 s, 2 samples)

System Call Overhead 874356.5 lps (10.0 s, 7 samples)

System Benchmarks Index Values BASELINE RESULT INDEX

Dhrystone 2 using register variables 116700.0 15040664.3 1288.8

Double-Precision Whetstone 55.0 2417.8 439.6

Execl Throughput 43.0 4077.4 948.2

File Copy 1024 bufsize 2000 maxblocks 3960.0 596775.4 1507.0

File Copy 256 bufsize 500 maxblocks 1655.0 193189.4 1167.3

File Copy 4096 bufsize 8000 maxblocks 5800.0 1314105.9 2265.7

Pipe Throughput 12440.0 1098540.9 883.1

Pipe-based Context Switching 4000.0 251474.8 628.7

Process Creation 126.0 13426.7 1065.6

Shell Scripts (1 concurrent) 42.4 6320.8 1490.7

Shell Scripts (8 concurrent) 6.0 825.6 1376.0

System Call Overhead 15000.0 874356.5 582.9

========

System Benchmarks Index Score 1035.2

火速围观：www.digitalocean.com

本文发布于：2013年05月31日