Performance d'un serveur web sur un Dockstar (Apache bench) - Partie 2
Performance d’un serveur web sur un Dockstar (Apache bench) - Partie 2
Bilan un an après
Avec les dernières modifications sur le cache Nginx, j’ai décidé de refaire le test.
Résultat de l’extérieur
# ab -kc 10 -n 50 http://blog.slucas.fr/blog/nginx-gzip-css-js
This is ApacheBench, Version 2.3 <$Revision: 655654 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/
Benchmarking blog.slucas.fr (be patient).....done
Server Software: nginx/1.1.0
Server Hostname: blog.slucas.fr
Server Port: 80
Document Path: /blog/nginx-gzip-css-js
Document Length: 14727 bytes
Concurrency Level: 10
Time taken for tests: 7.254 seconds
Complete requests: 50
Failed requests: 0
Write errors: 0
Keep-Alive requests: 0
Total transferred: 765550 bytes
HTML transferred: 736350 bytes
Requests per second: 6.89 [#/sec] (mean)
Time per request: 1450.885 [ms] (mean)
Time per request: 145.089 [ms] (mean, across all concurrent requests)
Transfer rate: 103.06 [Kbytes/sec] received
Connection Times (ms)
min mean[+/-sd] median max
Connect: 36 179 96.8 189 485
Processing: 377 1225 463.7 1272 2088
Waiting: 49 240 191.4 204 1421
Total: 531 1405 465.1 1483 2377
Percentage of the requests served within a certain time (ms)
50% 1483
66% 1657
75% 1796
80% 1882
90% 1936
95% 1989
98% 2377
99% 2377
100% 2377 (longest request)Avec une page plus grosse (14727 bytes à la place de 12130 bytes) je passe de 3 requêtes par secondes à 6,89. 50% des clients sont servis en moins d’une seconde et demie.
Résultat depuis le réseau local
$ ab -kc 10 -n 50 http://blog.slucas.fr/blog/nginx-gzip-css-js
This is ApacheBench, Version 2.3 <$Revision: 655654 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/
Benchmarking blog.slucas.fr (be patient).....done
Server Software: nginx/1.1.0
Server Hostname: blog.slucas.fr
Server Port: 80
Document Path: /blog/nginx-gzip-css-js
Document Length: 14727 bytes
Concurrency Level: 10
Time taken for tests: 0.121 seconds
Complete requests: 50
Failed requests: 0
Write errors: 0
Keep-Alive requests: 0
Total transferred: 765550 bytes
HTML transferred: 736350 bytes
Requests per second: 414.53 [#/sec] (mean)
Time per request: 24.124 [ms] (mean)
Time per request: 2.412 [ms] (mean, across all concurrent requests)
Transfer rate: 6198.14 [Kbytes/sec] received
Connection Times (ms)
min mean[+/-sd] median max
Connect: 1 4 1.7 4 9
Processing: 13 19 2.4 20 24
Waiting: 4 7 1.4 7 10
Total: 14 23 1.7 23 26
Percentage of the requests served within a certain time (ms)
50% 23
66% 24
75% 24
80% 24
90% 25
95% 26
98% 26
99% 26
100% 26 (longest request)Impressionnant cela veut donc dire une chose, le point bloquant du test venant de l’extérieur est ma ligne ADSL, pas le Dockstar. Donc je peux arrêter d’optimiser le Dockstar et attendre tranquillement que mon nombre de visites motive un hébergement externe.
J’ai fait plus de tests avec un niveau de parallélisme plus important :
$ ab -kc 30 -n 50 http://blog.slucas.fr/blog/nginx-gzip-css-js
This is ApacheBench, Version 2.3 <$Revision: 655654 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/
Benchmarking blog.slucas.fr (be patient).....done
Server Software: nginx/1.1.0
Server Hostname: blog.slucas.fr
Server Port: 80
Document Path: /blog/nginx-gzip-css-js
Document Length: 14727 bytes
Concurrency Level: 30
Time taken for tests: 0.282 seconds
Complete requests: 50
Failed requests: 0
Write errors: 0
Keep-Alive requests: 0
Total transferred: 765550 bytes
HTML transferred: 736350 bytes
Requests per second: 177.18 [#/sec] (mean)
Time per request: 169.319 [ms] (mean)
Time per request: 5.644 [ms] (mean, across all concurrent requests)
Transfer rate: 2649.22 [Kbytes/sec] received
Connection Times (ms)
min mean[+/-sd] median max
Connect: 2 9 5.7 6 22
Processing: 33 54 34.0 45 277
Waiting: 9 18 6.7 16 32
Total: 35 64 33.2 62 282
Percentage of the requests served within a certain time (ms)
50% 62
66% 64
75% 67
80% 69
90% 72
95% 73
98% 282
99% 282
100% 282 (longest request)
$ ab -kc 50 -n 50 http://blog.slucas.fr/blog/nginx-gzip-css-js
This is ApacheBench, Version 2.3 <$Revision: 655654 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/
Benchmarking blog.slucas.fr (be patient).....done
Server Software: nginx/1.1.0
Server Hostname: blog.slucas.fr
Server Port: 80
Document Path: /blog/nginx-gzip-css-js
Document Length: 14727 bytes
Concurrency Level: 50
Time taken for tests: 0.306 seconds
Complete requests: 50
Failed requests: 0
Write errors: 0
Keep-Alive requests: 0
Total transferred: 765550 bytes
HTML transferred: 736350 bytes
Requests per second: 163.46 [#/sec] (mean)
Time per request: 305.881 [ms] (mean)
Time per request: 6.118 [ms] (mean, across all concurrent requests)
Transfer rate: 2444.11 [Kbytes/sec] received
Connection Times (ms)
min mean[+/-sd] median max
Connect: 3 9 2.2 10 12
Processing: 54 121 75.0 94 295
Waiting: 12 35 20.3 31 87
Total: 57 129 74.3 105 304
Percentage of the requests served within a certain time (ms)
50% 105
66% 107
75% 112
80% 115
90% 277
95% 296
98% 304
99% 304
100% 304 (longest request)
