leancloud 测试并发如下, 带数据库查询：

Running 10s test @ http://xxxx.leanapp.cn/?id=58b62dfa61ff4b006ccc0113
  12 threads and 100 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency   172.36ms  159.26ms   1.37s    80.84%
    Req/Sec    54.37     21.85   128.00     63.17%
  6459 requests in 10.09s, 9.06MB read
  Non-2xx or 3xx responses: 4756
Requests/sec:    640.04
Transfer/sec:      0.90MB

阿里云的并发测试, 1 核 1G 最低配, 不带数据库查询:

Running 10s test @ http://xxx.76.215.104:3000/
  12 threads and 100 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency   312.36ms  139.82ms   1.89s    92.13%
    Req/Sec    21.15     11.70    70.00     63.86%
  2007 requests in 10.10s, 0.94MB read
  Socket errors: connect 0, read 0, write 0, timeout 43
Requests/sec:    198.80
Transfer/sec:     95.13KB

0.5 CPU 具体是什么配置