WebApplication 스트레스 테스트

AWS우분투세팅.
1. sudo apt-get update
2. sudo apt-get install apache2-utils

테스트진행
3. ab를 치면 옵션이 나온다.(ApacheBench)
4. ab -n 요청카운트 -c 동시접속자카운트 http://URL/
   ex) ab -n 400 -c 1 http://52.79.234.100/  <=  http://52.79.234.100/에 1명의 동시접속자 400번호출
5. 결과 확인
Complete requests : 성공개수
Failed requests : 실패개수
Time taken for tests : 총 소요시간
Requests per second : 초당처리속도
Time per request : 개별처리속도

ubuntu@ip-172-31-37-40:~$ ab -n 400 -c 1 http://52.79.234.100/
This is ApacheBench, Version 2.3 <$Revision: 1807734 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking 52.79.234.100 (be patient)
Completed 100 requests
Completed 200 requests
Completed 300 requests
Completed 400 requests
Finished 400 requests


Server Software:        Apache
Server Hostname:        52.79.234.100
Server Port:            80

Document Path:          /
Document Length:        27521 bytes

Concurrency Level:      1
Time taken for tests:   9.736 seconds
Complete requests:      400
Failed requests:        0
Total transferred:      11161600 bytes
HTML transferred:       11008400 bytes
Requests per second:    41.08 [#/sec] (mean)
Time per request:       24.341 [ms] (mean)
Time per request:       24.341 [ms] (mean, across all concurrent requests)
Transfer rate:          1119.52 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    1   0.6      0       5
Processing:    22   24   1.7     23      46
Waiting:       21   23   1.5     23      45
Total:         22   24   2.0     24      47
WARNING: The median and mean for the initial connection time are not within a normal deviation
        These results are probably not that reliable.

Percentage of the requests served within a certain time (ms)
  50%     24
  66%     24
  75%     25
  80%     25
  90%     27
  95%     28
  98%     29
  99%     31
 100%     47 (longest request)