AlphaRacks 2GB内存 OpenVZ VPS 洛杉矶 简单测评

详情:AlphaRacks:$9.95/年/512MB/15GB空间/6TB流量/OpenVZ/洛杉矶

**从评测信息看,I/O很不错,UnixBench跑分也高,流量相当充足,而且是1Gbps端口,丢包极少,属于相当不错的。
值得购买!!!**

系统信息及带宽测试

System Info
-----------
Processor    : Intel(R) Xeon(R) CPU           E5620  @ 2.40GHz
CPU Cores    : 4
Frequency    : 2400.088 MHz
Memory        : 2048 MB
Swap        : 2048 MB
Uptime        : 46 min,
OS        : CentOS release 6.6 (Final)
Arch        : x86_64 (64 Bit)
Kernel        : 2.6.32-042stab117.14
Hostname    : zhujiwiki
Speedtest (IPv4 only)
---------------------
Your public IPv4 is 155.254.xxx.xxx
Location        Provider    Speed
CDN            Cachefly    17.0MB/s
Atlanta, GA, US        Coloat        4.35MB/s
Dallas, TX, US        Softlayer    9.73MB/s
Seattle, WA, US        Softlayer    9.83MB/s
San Jose, CA, US    Softlayer    11.4MB/s
Washington, DC, US    Softlayer     7.54MB/s
Tokyo, Japan        Linode        5.86MB/s
Singapore         Softlayer    2.87MB/s
Rotterdam, Netherlands    id3.net        2.77MB/s
Haarlem, Netherlands    Leaseweb    9.90MB/s
Disk Speed
----------
I/O (1st run)    : 154 MB/s
I/O (2nd run)    : 101 MB/s
I/O (3rd run)    : 119 MB/s
Average I/O    : 124.667 MB/s

UnixBench跑分

Benchmark Run: Wed Oct 26 2016 21:26:10 - 21:54:29
4 CPUs in system; running 1 parallel copy of tests
Dhrystone 2 using register variables       21023244.2 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                     2767.1 MWIPS (9.8 s, 7 samples)
Execl Throughput                               2442.3 lps   (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        392193.1 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks          107283.7 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks       1002805.3 KBps  (30.0 s, 2 samples)
Pipe Throughput                              943869.0 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                 102398.4 lps   (10.0 s, 7 samples)
Process Creation                               5530.4 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                   3242.1 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                    979.7 lpm   (60.1 s, 2 samples)
System Call Overhead                        1362820.6 lps   (10.0 s, 7 samples)
System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   21023244.2   1801.5
Double-Precision Whetstone                       55.0       2767.1    503.1
Execl Throughput                                 43.0       2442.3    568.0
File Copy 1024 bufsize 2000 maxblocks          3960.0     392193.1    990.4
File Copy 256 bufsize 500 maxblocks            1655.0     107283.7    648.2
File Copy 4096 bufsize 8000 maxblocks          5800.0    1002805.3   1729.0
Pipe Throughput                               12440.0     943869.0    758.7
Pipe-based Context Switching                   4000.0     102398.4    256.0
Process Creation                                126.0       5530.4    438.9
Shell Scripts (1 concurrent)                     42.4       3242.1    764.6
Shell Scripts (8 concurrent)                      6.0        979.7   1632.8
System Call Overhead                          15000.0    1362820.6    908.5
                                                                   ========
System Benchmarks Index Score                                         785.6
------------------------------------------------------------------------
Benchmark Run: Wed Oct 26 2016 21:54:29 - 22:23:13
4 CPUs in system; running 4 parallel copies of tests
Dhrystone 2 using register variables       64390692.0 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                    10901.8 MWIPS (9.7 s, 7 samples)
Execl Throughput                               5519.2 lps   (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        210974.8 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks          109774.5 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks       1133735.7 KBps  (30.0 s, 2 samples)
Pipe Throughput                             3208545.8 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                 459173.5 lps   (10.0 s, 7 samples)
Process Creation                              18587.6 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                   9979.3 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                   1311.4 lpm   (60.1 s, 2 samples)
System Call Overhead                        3533070.0 lps   (10.0 s, 7 samples)
System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   64390692.0   5517.6
Double-Precision Whetstone                       55.0      10901.8   1982.2
Execl Throughput                                 43.0       5519.2   1283.5
File Copy 1024 bufsize 2000 maxblocks          3960.0     210974.8    532.8
File Copy 256 bufsize 500 maxblocks            1655.0     109774.5    663.3
File Copy 4096 bufsize 8000 maxblocks          5800.0    1133735.7   1954.7
Pipe Throughput                               12440.0    3208545.8   2579.2
Pipe-based Context Switching                   4000.0     459173.5   1147.9
Process Creation                                126.0      18587.6   1475.2
Shell Scripts (1 concurrent)                     42.4       9979.3   2353.6
Shell Scripts (8 concurrent)                      6.0       1311.4   2185.6
System Call Overhead                          15000.0    3533070.0   2355.4
                                                                   ========
System Benchmarks Index Score                                        1682.1

服务器 I/O 性能

dd if=/dev/zero of=test bs=64k count=4k oflag=dsync
4096+0 records in
4096+0 records out
268435456 bytes (268 MB) copied, 3.40685 s, 78.8 MB/s

上传/下载带宽测试

Hosted by WebNX (Los Angeles, CA) [21.15 km]: 7.578 ms
Testing download speed................................................................................
Download: 38.63 Mbit/s
Testing upload speed....................................................................................................
Upload: 24.63 Mbit/s

国内速度
AlphaRacks.png

丢包测试

Ping from 192.168.1.186 to 155.254.xxx.xxx
==============================================================================
10/27 09:23:23.485         Ping to 155.254.xxx.xxx with 32 bytes of data and 32 of TTL:
10/27 09:23:23.785 PingMin #1 Reply 32 bytes from 155.254.xxx.xxx: time=221ms TTL=51, ave=221.00ms
10/27 09:23:24.716 PingMin #2 Reply 32 bytes from 155.254.xxx.xxx: time=212ms TTL=51, ave=216.50ms
10/27 09:23:25.718 PingMax #3 Reply 32 bytes from 155.254.xxx.xxx: time=227ms TTL=51, ave=220.00ms
10/27 09:23:27.765 PingMax #5 Reply 32 bytes from 155.254.xxx.xxx: time=274ms TTL=51, ave=232.00ms
10/27 09:23:30.779 PingMax #8 Reply 32 bytes from 155.254.xxx.xxx: time=277ms TTL=51, ave=241.00ms
10/27 09:23:33.816 PingMax #11 Reply 32 bytes from 155.254.xxx.xxx: time=318ms TTL=51, ave=248.55ms
10/27 09:23:42.817         === 20 有效发送,   20 接收,     0.00% 丢失, 260.95ms 平均值  ===
--- 结果 & 统计信息 ------------------------------------------------------
开始时间:  2016/10/27 09:23:23
经过时间:            000:00:19
结束时间:  2016/10/27 09:23:42
----------------
    20 总计发送
    0 无效接收 (除了超时的其它错误)
----------------
    20 有效发送
    20 有效接收
    0 timed out (0.00% 丢失)
Ping 最小值  212ms, 最大值  318ms, 平均值  260.95ms

路由跟踪

 1    192.168.1.254         5 ms       5 ms       7 ms    局域网    *
 2    *                     *          *          *
 3    113.200.71.153       11 ms      13 ms      14 ms    中国 陕西 西安 联通    AS4837
 4    123.139.1.173        71 ms      75 ms      81 ms    中国 陕西 西安 联通    AS4837
 5    221.11.0.101         71 ms     105 ms     106 ms    中国 陕西 西安 联通    AS4837
 6    219.158.112.37       61 ms      61 ms      63 ms    中国 北京 联通    AS4837
 7    219.158.112.146      75 ms      88 ms     101 ms    中国 北京 联通    AS4837
 8    219.158.98.82        88 ms     100 ms     102 ms    中国 北京 联通    AS4837
 9    219.158.102.154     294 ms     325 ms     356 ms    美国 加利福尼亚州 洛杉矶 联通    AS4837
10    213.248.82.205      268 ms     277 ms     335 ms    美国 加利福尼亚州 洛杉矶     AS1299    las-bb1-link.telia.net
11    213.248.71.106      210 ms     216 ms     408 ms    美国 加利福尼亚州 洛杉矶     AS1299    dbtransit-ic-306197-las-b3.c.telia.net
12    96.44.180.6         221 ms     238 ms     284 ms    美国 加利福尼亚州 洛杉矶 quadranet.com    AS8100    colo-lax9.as8100.net
13    204.44.93.2         251 ms     281 ms     292 ms    美国 加利福尼亚州 洛杉矶 quadranet.com    AS8100    204.44.93.2.static.quadranet.com
14    155.254.35.57       241 ms     303 ms     317 ms    美国 加利福尼亚州 洛杉矶 alpharacks.com syn.ltd.uk    AS8100    vive.ayearpart.com
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