PHP의 높은 동시성 및 대규모 트래픽 문제를 해결하는 방법

ab.exe -n 总请求量 -c 并发请求量  http://请求地址

Server Software:        Apache/2.4.18	服务器类型
Server Hostname:        eko.xiao.com    域名
Server Port:            80				端口

Document Path:          /index.html  	请求文件
Document Length:        529 bytes		文件大小

Concurrency Level:      100				并发数
Time taken for tests:   1.240 seconds	总响应时间
Complete requests:      1000			请求数
Failed requests:        0				失败次数
Total transferred:      800000 bytes	总共传输数据量
HTML transferred:       529000 bytes	
Requests per second:    806.41 [#/sec] (mean)	QPS（每秒查询率）
Time per request:       124.007 [ms] (mean)		平均响应时间
Time per request:       1.240 [ms] (mean, across all concurrent requests)
Transfer rate:          630.00 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    1   1.4      1      38
Processing:    42  114  34.2    103     204
Waiting:       41  113  33.9    102     204
Total:         43  115  34.5    104     207

Percentage of the requests served within a certain time (ms)
  50%    104
  66%    117
  75%    133
  80%    136
  90%    173
  95%    197
  98%    204
  99%    204
 100%    207 (longest request)