详情：Tospeed：28元/月/512MB内存/15GB空间/500GB流量/KVM/洛杉矶Cera
网络晚高峰不丢包，IO不错，老板服务态度很好。
1、系统信息、带宽、I/O测试
CPU model : Intel(R) Xeon(R) CPU E5-2430 0 @ 2.20GHz
Number of cores : 2
CPU frequency : 2194.710 MHz
Total size of Disk : 38.0 GB (0.9 GB Used)
Total amount of Mem : 2006 MB (93 MB Used)
Total amount of Swap : 2046 MB (0 MB Used)
System uptime : 0 days 0 hour 0 min
Load average : 0.00, 0.00, 0.00
OS : CentOS 6.9
Arch : x86_64 (64 Bit)
Kernel : 2.6.32-696.1.1.el6.x86_64
Virt : kvm
----------------------------------------------------------------------
I/O speed( 32M ) : 99.2 MB/s
I/O speed( 256M ) : 87.1 MB/s
I/O speed( 2G ) : 104 MB/s
Average I/O speed : 96.8 MB/s
----------------------------------------------------------------------
Node Name Upload Speed Download Speed Latency
Normal Node 48.41 Mbit/s 91.71 Mbit/s 2.01 ms
Chengdu CT 38.35 Mbit/s 37.74 Mbit/s 199.465 ms
Xi'an CU 6.90 Mbit/s 51.73 Mbit/s 501.978 ms
Shanghai CU 3.69 Mbit/s 60.68 Mbit/s 190.063 ms
Chongqing CU 9.66 Mbit/s 56.64 Mbit/s 204.803 ms
Xi'an CM 34.89 Mbit/s 73.66 Mbit/s 208.412 ms
Shanghai CM 24.34 Mbit/s 62.16 Mbit/s 177.352 ms
Chengdu CM 8.89 Mbit/s 2.62 Mbit/s 209.421 ms
----------------------------------------------------------------------
Total time : 3 min 42 sec
Current time : 2018-04-02 12:55:31
Finished！
2、上传/下载带宽测试
Retrieving speedtest.net server list...
Selecting best server based on ping...
Hosted by Speedtest.net (Los Angeles, CA) [0.70 km]: 1.622 ms
Testing download speed................................................................................
Download: 91.94 Mbit/s
Testing upload speed................................................................................................
Upload: 48.85 Mbit/s
3、国内访问速度
4、硬盘 I/O 性能测试
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, 9.09875 s, 29.5 MB/s
5、UnixBench跑分
Benchmark Run: Mon Apr 02 2018 12:58:40 - 13:26:46
2 CPUs in system; running 1 parallel copy of tests
Dhrystone 2 using register variables 23988455.7 lps (10.0 s, 7 samples)
Double-Precision Whetstone 2608.2 MWIPS (9.7 s, 7 samples)
Execl Throughput 2649.8 lps (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 651063.0 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 172915.3 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 1381257.8 KBps (30.0 s, 2 samples)
Pipe Throughput 1271393.0 lps (10.0 s, 7 samples)
Pipe-based Context Switching 248187.7 lps (10.0 s, 7 samples)
Process Creation 8525.8 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 4537.8 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 1096.4 lpm (60.0 s, 2 samples)
System Call Overhead 1676480.8 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 23988455.7 2055.6
Double-Precision Whetstone 55.0 2608.2 474.2
Execl Throughput 43.0 2649.8 616.2
File Copy 1024 bufsize 2000 maxblocks 3960.0 651063.0 1644.1
File Copy 256 bufsize 500 maxblocks 1655.0 172915.3 1044.8
File Copy 4096 bufsize 8000 maxblocks 5800.0 1381257.8 2381.5
Pipe Throughput 12440.0 1271393.0 1022.0
Pipe-based Context Switching 4000.0 248187.7 620.5
Process Creation 126.0 8525.8 676.6
Shell Scripts (1 concurrent) 42.4 4537.8 1070.2
Shell Scripts (8 concurrent) 6.0 1096.4 1827.3
System Call Overhead 15000.0 1676480.8 1117.7
========
System Benchmarks Index Score 1072.1
------------------------------------------------------------------------
Benchmark Run: Mon Apr 02 2018 13:26:46 - 13:54:55
2 CPUs in system; running 2 parallel copies of tests
Dhrystone 2 using register variables 52109530.6 lps (10.0 s, 7 samples)
Double-Precision Whetstone 5736.2 MWIPS (9.1 s, 7 samples)
Execl Throughput 7325.1 lps (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 857000.8 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 229577.8 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 2304731.1 KBps (30.0 s, 2 samples)
Pipe Throughput 2696971.7 lps (10.0 s, 7 samples)
Pipe-based Context Switching 534603.2 lps (10.0 s, 7 samples)
Process Creation 21834.1 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 8784.7 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 1206.0 lpm (60.0 s, 2 samples)
System Call Overhead 2933768.5 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 52109530.6 4465.3
Double-Precision Whetstone 55.0 5736.2 1043.0
Execl Throughput 43.0 7325.1 1703.5
File Copy 1024 bufsize 2000 maxblocks 3960.0 857000.8 2164.1
File Copy 256 bufsize 500 maxblocks 1655.0 229577.8 1387.2
File Copy 4096 bufsize 8000 maxblocks 5800.0 2304731.1 3973.7
Pipe Throughput 12440.0 2696971.7 2168.0
Pipe-based Context Switching 4000.0 534603.2 1336.5
Process Creation 126.0 21834.1 1732.9
Shell Scripts (1 concurrent) 42.4 8784.7 2071.9
Shell Scripts (8 concurrent) 6.0 1206.0 2010.0
System Call Overhead 15000.0 2933768.5 1955.8
========
System Benchmarks Index Score 1990.6
6、丢包测试
Ping from 192.168.43.94 to 23.225.xxx.xxx
==============================================================================
04/02 20:58:26.354 Ping to 23.225.xxx.xxx with 32 bytes of data and 32 of TTL:
04/02 20:58:26.690 PingMin #1 Reply 32 bytes from 23.225.xxx.xxx: time=334ms TTL=48, ave=334.00ms
04/02 20:58:28.833 PingMin #2 Reply 32 bytes from 23.225.xxx.xxx: time=331ms TTL=48, ave=332.50ms
04/02 20:58:29.840 PingMax #3 Reply 32 bytes from 23.225.xxx.xxx: time=337ms TTL=48, ave=334.00ms
04/02 20:58:32.831 PingMin #6 Reply 32 bytes from 23.225.xxx.xxx: time=330ms TTL=48, ave=332.50ms
04/02 20:58:35.830 PingMin #9 Reply 32 bytes from 23.225.xxx.xxx: time=322ms TTL=48, ave=331.33ms
04/02 20:58:37.837 PingMax #11 Reply 32 bytes from 23.225.xxx.xxx: time=339ms TTL=48, ave=331.55ms
04/02 20:58:39.840 PingMax #13 Reply 32 bytes from 23.225.xxx.xxx: time=340ms TTL=48, ave=331.92ms
04/02 20:58:41.229 超时 #14 *****(32 bytes) 请求超时。
04/02 20:58:42.843 PingMax #16 Reply 32 bytes from 23.225.xxx.xxx: time=344ms TTL=48, ave=333.07ms
04/02 20:58:58.846 PingMax #32 Reply 32 bytes from 23.225.xxx.xxx: time=345ms TTL=48, ave=334.52ms
04/02 20:59:10.228 超时 #43 *****(32 bytes) 请求超时。
04/02 20:59:13.229 超时 #46 *****(32 bytes) 请求超时。
04/02 20:59:22.856 PingMax #56 Reply 32 bytes from 23.225.xxx.xxx: time=353ms TTL=48, ave=334.85ms
04/02 20:59:45.229 超时 #78 *****(32 bytes) 请求超时。
04/02 21:00:03.228 超时 #96 *****(32 bytes) 请求超时。
04/02 21:00:06.830 === 100 有效发送, 95 接收, 5.00% 丢失, 335.03ms 平均值 ===
--- 结果 & 统计信息 ------------------------------------------------------
开始时间: 2018/04/02 20:58:26
经过时间: 000:01:40
结束时间: 2018/04/02 21:00:06
----------------
100 总计发送
0 无效接收 (除了超时的其它错误)
----------------
100 有效发送
95 有效接收
5 timed out (5.00% 丢失)
Ping 最小值 322ms, 最大值 353ms, 平均值 335.03ms
7、路由追踪
电信
联通
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