CentOS 5.10上で比較した。
(1) Keep-Alive 無効の場合
コマンド
$ ab -c 1000 -n 1000000 http://centos5:8080/hello.html
(1.1) event MPM
Server Software: Apache/2.4.7
Server Hostname: centos5
Server Port: 8080
Document Path: /hello.html
Document Length: 31 bytes
Concurrency Level: 1000
Time taken for tests: 58.275 seconds
Complete requests: 1000000
Failed requests: 0
Write errors: 0
Total transferred: 274001096 bytes
HTML transferred: 31000124 bytes
Requests per second: 17160.13 [#/sec] (mean)
Time per request: 58.275 [ms] (mean)
Time per request: 0.058 [ms] (mean, across all concurrent requests)
Transfer rate: 4591.69 [Kbytes/sec] received
Connection Times (ms)
min mean[+/-sd] median max
Connect: 0 29 114.8 16 3021
Processing: 9 29 61.2 19 4600
Waiting: 8 27 60.7 18 4595
Total: 26 58 130.1 35 4612
Percentage of the requests served within a certain time (ms)
50% 35
66% 38
75% 40
80% 43
90% 49
95% 57
98% 256
99% 1032
100% 4612 (longest request)
(1.2) worker MPM
Server Software: Apache/2.4.7
Server Hostname: centos5
Server Port: 8080
Document Path: /hello.html
Document Length: 31 bytes
Concurrency Level: 1000
Time taken for tests: 90.378 seconds
Complete requests: 1000000
Failed requests: 0
Write errors: 0
Total transferred: 274000000 bytes
HTML transferred: 31000000 bytes
Requests per second: 11064.69 [#/sec] (mean)
Time per request: 90.378 [ms] (mean)
Time per request: 0.090 [ms] (mean, across all concurrent requests)
Transfer rate: 2960.67 [Kbytes/sec] received
Connection Times (ms)
min mean[+/-sd] median max
Connect: 0 0 0.4 0 17
Processing: 8 90 2.1 90 100
Waiting: 8 90 2.1 90 100
Total: 26 90 1.9 90 105
Percentage of the requests served within a certain time (ms)
50% 90
66% 90
75% 91
80% 91
90% 92
95% 93
98% 96
99% 97
100% 105 (longest request)
(2) Keep-Alive 有効の場合
コマンド
$ ab -c 1000 -n 1000000 -k http://centos5:8080/hello.html
(2.1) event MPM
Server Software: Apache/2.4.7
Server Hostname: centos5
Server Port: 8080
Document Path: /hello.html
Document Length: 31 bytes
Concurrency Level: 1000
Time taken for tests: 34.224 seconds
Complete requests: 1000000
Failed requests: 172849
(Connect: 0, Receive: 0, Length: 172849, Exceptions: 0)
Write errors: 0
Keep-Alive requests: 827151
Total transferred: 256590607 bytes
HTML transferred: 25641774 bytes
Requests per second: 29219.55 [#/sec] (mean)
Time per request: 34.224 [ms] (mean)
Time per request: 0.034 [ms] (mean, across all concurrent requests)
Transfer rate: 7321.74 [Kbytes/sec] received
Connection Times (ms)
min mean[+/-sd] median max
Connect: 0 0 0.6 0 17
Processing: 0 34 71.7 2 261
Waiting: 0 34 71.8 2 261
Total: 0 34 72.0 2 261
Percentage of the requests served within a certain time (ms)
50% 2
66% 2
75% 2
80% 3
90% 189
95% 203
98% 215
99% 222
100% 261 (longest request)
(2.2) worker MPM
Server Software: Apache/2.4.7
Server Hostname: centos5
Server Port: 8080
Document Path: /hello.html
Document Length: 31 bytes
Concurrency Level: 1000
Time taken for tests: 85.213 seconds
Complete requests: 1000000
Failed requests: 0
Write errors: 0
Keep-Alive requests: 990101
Total transferred: 309564449 bytes
HTML transferred: 31000000 bytes
Requests per second: 11735.33 [#/sec] (mean)
Time per request: 85.213 [ms] (mean)
Time per request: 0.085 [ms] (mean, across all concurrent requests)
Transfer rate: 3547.70 [Kbytes/sec] received
Connection Times (ms)
min mean[+/-sd] median max
Connect: 0 0 0.4 0 18
Processing: 0 81 818.1 1 8588
Waiting: 0 81 818.1 0 8588
Total: 0 81 818.2 1 8588
Percentage of the requests served within a certain time (ms)
50% 1
66% 1
75% 1
80% 1
90% 1
95% 1
98% 1
99% 3
100% 8588 (longest request)
とりあえず、切り貼りだけ。
サーバ側のプロセス・スレッドまわりの設定はAsyncRequestWorkerFactor以外は両者同じにした。
(httpd.conf) StartServers 2 MaxRequestWorkers 6 MinSpareThreads 6 MaxSpareThreads 6 ThreadsPerChild 3 AsyncRequestWorkerFactor 50 MaxConnectionsPerChild 0
event MPMの場合、abでエラーが発生している。
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