ApacheBench(ab)压测时两个Time per request 分表表示什么意思?
Concurrency Level: 20
Time taken for tests: 97.526 seconds
Complete requests: 1000
Failed requests: 0
Write errors: 0
Total transferred: 36339832 bytes
HTML transferred: 35965084 bytes
Requests per second: 10.25 [#/sec] (mean)
Time per request: 1950.518 [ms] (mean)
Time per request: 97.526 [ms] (mean, across all concurrent requests)
Transfer rate: 363.88 [Kbytes/sec] received
查看手册上的解释是:
The first value is calculated with the formula concurrency *timetaken * 1000 / done
while the second value is calculated with the formula timetaken * 1000 / done
第一个里面:
(并发*消耗的时间*1000)/done
这里
done
是什么意思
怎么更好的理解这两个值。