This is the sample application illustrating the performance regression of sprockets-rails between 2.1.3, 2.1.4, 2.2.3, 2.3.2 and master. It was originally motivated by rails/sprockets-rails#225 (comment)
The particularity of that project is that the application.css.sass requiresr 50 sass files.
Tested using ab -c 1 -n 100 http://localhost:3000/posts/1:
This still doesn't seem to be resolved. See my recent tests: https://gist.github.com/julienbourdeau/e467654099e84b91580744dfc3f6a01f
Median Processing Time: 20ms
Server Software: WEBrick/1.3.1
Server Hostname: localhost
Server Port: 3000
Document Path: /posts/1
Document Length: 7268 bytes
Concurrency Level: 1
Time taken for tests: 2.257 seconds
Complete requests: 100
Failed requests: 0
Total transferred: 806500 bytes
HTML transferred: 726800 bytes
Requests per second: 44.30 [#/sec] (mean)
Time per request: 22.573 [ms] (mean)
Time per request: 22.573 [ms] (mean, across all concurrent requests)
Transfer rate: 348.92 [Kbytes/sec] received
Connection Times (ms)
min mean[+/-sd] median max
Connect: 0 0 0.0 0 0
Processing: 17 22 8.1 20 77
Waiting: 16 22 8.1 20 77
Total: 17 23 8.1 20 77
Percentage of the requests served within a certain time (ms)
50% 20
66% 23
75% 25
80% 26
90% 28
95% 32
98% 62
99% 77
100% 77 (longest request)
Median Processing Time: 232ms
Server Software: WEBrick/1.3.1
Server Hostname: localhost
Server Port: 3000
Document Path: /posts/1
Document Length: 7268 bytes
Concurrency Level: 1
Time taken for tests: 26.063 seconds
Complete requests: 100
Failed requests: 0
Total transferred: 806500 bytes
HTML transferred: 726800 bytes
Requests per second: 3.84 [#/sec] (mean)
Time per request: 260.635 [ms] (mean)
Time per request: 260.635 [ms] (mean, across all concurrent requests)
Transfer rate: 30.22 [Kbytes/sec] received
Connection Times (ms)
min mean[+/-sd] median max
Connect: 0 0 0.0 0 0
Processing: 208 260 57.8 232 491
Waiting: 208 260 57.7 232 491
Total: 209 261 57.8 233 491
Percentage of the requests served within a certain time (ms)
50% 233
66% 275
75% 289
80% 304
90% 349
95% 369
98% 473
99% 491
100% 491 (longest request)
Median Processing Time: 178ms
Server Software: WEBrick/1.3.1
Server Hostname: localhost
Server Port: 3000
Document Path: /posts/1
Document Length: 9266 bytes
Concurrency Level: 1
Time taken for tests: 20.418 seconds
Complete requests: 100
Failed requests: 0
Total transferred: 1006300 bytes
HTML transferred: 926600 bytes
Requests per second: 4.90 [#/sec] (mean)
Time per request: 204.180 [ms] (mean)
Time per request: 204.180 [ms] (mean, across all concurrent requests)
Transfer rate: 48.13 [Kbytes/sec] received
Connection Times (ms)
min mean[+/-sd] median max
Connect: 0 0 0.1 0 1
Processing: 138 204 71.5 178 573
Waiting: 137 204 71.5 178 573
Total: 138 204 71.5 178 573
Percentage of the requests served within a certain time (ms)
50% 178
66% 196
75% 218
80% 232
90% 286
95% 344
98% 480
99% 573
100% 573 (longest request)
Median Processing Time: 182ms
Server Software: WEBrick/1.3.1
Server Hostname: localhost
Server Port: 3000
Document Path: /posts/1
Document Length: 9266 bytes
Concurrency Level: 1
Time taken for tests: 19.855 seconds
Complete requests: 100
Failed requests: 0
Total transferred: 1006300 bytes
HTML transferred: 926600 bytes
Requests per second: 5.04 [#/sec] (mean)
Time per request: 198.547 [ms] (mean)
Time per request: 198.547 [ms] (mean, across all concurrent requests)
Transfer rate: 49.50 [Kbytes/sec] received
Connection Times (ms)
min mean[+/-sd] median max
Connect: 0 0 0.1 0 1
Processing: 137 198 57.7 182 519
Waiting: 137 198 57.7 182 519
Total: 137 198 57.7 182 519
Percentage of the requests served within a certain time (ms)
50% 182
66% 197
75% 211
80% 214
90% 264
95% 286
98% 451
99% 519
100% 519 (longest request)
Median Processing Time: 68ms
Server Software: WEBrick/1.3.1
Server Hostname: localhost
Server Port: 3000
Document Path: /posts/1
Document Length: 9266 bytes
Concurrency Level: 1
Time taken for tests: 7.071 seconds
Complete requests: 100
Failed requests: 0
Total transferred: 1006300 bytes
HTML transferred: 926600 bytes
Requests per second: 14.14 [#/sec] (mean)
Time per request: 70.712 [ms] (mean)
Time per request: 70.712 [ms] (mean, across all concurrent requests)
Transfer rate: 138.97 [Kbytes/sec] received
Connection Times (ms)
min mean[+/-sd] median max
Connect: 0 0 0.1 0 1
Processing: 51 70 14.6 68 147
Waiting: 51 70 14.6 68 147
Total: 52 71 14.6 68 148
Percentage of the requests served within a certain time (ms)
50% 68
66% 73
75% 74
80% 77
90% 87
95% 102
98% 120
99% 148
100% 148 (longest request)