目的
レスポンス速度の確認をするためにやってみた。
Apache Bench とは
Apache HTTP server benchmarking tool
https://httpd.apache.org/docs/2.4/programs/ab.html
HTTPサーバーをベンチマークするためのツールです。
悪用厳禁です
ab コマンドのインストール
Macの場合はデフォルトでインストールされてます。
$ which ab
/usr/sbin/ab
ab オプション
$ ab -h
Usage: ab [options] [http[s]://]hostname[:port]/path
Options are:
-n requests Number of requests to perform
-c concurrency Number of multiple requests to make at a time
-t timelimit Seconds to max. to spend on benchmarking
This implies -n 50000
-s timeout Seconds to max. wait for each response
Default is 30 seconds
-b windowsize Size of TCP send/receive buffer, in bytes
-B address Address to bind to when making outgoing connections
-p postfile File containing data to POST. Remember also to set -T
-u putfile File containing data to PUT. Remember also to set -T
-T content-type Content-type header to use for POST/PUT data, eg.
'application/x-www-form-urlencoded'
Default is 'text/plain'
-v verbosity How much troubleshooting info to print
-w Print out results in HTML tables
-i Use HEAD instead of GET
-x attributes String to insert as table attributes
-y attributes String to insert as tr attributes
-z attributes String to insert as td or th attributes
-C attribute Add cookie, eg. 'Apache=1234'. (repeatable)
-H attribute Add Arbitrary header line, eg. 'Accept-Encoding: gzip'
Inserted after all normal header lines. (repeatable)
-A attribute Add Basic WWW Authentication, the attributes
are a colon separated username and password.
-P attribute Add Basic Proxy Authentication, the attributes
are a colon separated username and password.
-X proxy:port Proxyserver and port number to use
-V Print version number and exit
-k Use HTTP KeepAlive feature
-d Do not show percentiles served table.
-S Do not show confidence estimators and warnings.
-q Do not show progress when doing more than 150 requests
-l Accept variable document length (use this for dynamic pages)
-g filename Output collected data to gnuplot format file.
-e filename Output CSV file with percentages served
-r Don't exit on socket receive errors.
-m method Method name
-h Display usage information (this message)
-I Disable TLS Server Name Indication (SNI) extension
-Z ciphersuite Specify SSL/TLS cipher suite (See openssl ciphers)
-f protocol Specify SSL/TLS protocol
(TLS1, TLS1.1, TLS1.2 or ALL)
-E certfile Specify optional client certificate chain and private key
ab 計測する画面
何でもいいんですけど、Laravelのwelcome画面を用意しました。
ab 実行
同時に100ユーザが、1ユーザーあたり10リクエストを発行した場合を想定。
$ ab -n 1000 -c 100 http://127.0.0.1/
This is ApacheBench, Version 2.3 <$Revision: 1843412 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/
Benchmarking 127.0.0.1 (be patient)
Completed 100 requests
Completed 200 requests
Completed 300 requests
Completed 400 requests
Completed 500 requests
Completed 600 requests
Completed 700 requests
Completed 800 requests
Completed 900 requests
Completed 1000 requests
Finished 1000 requests
Server Software: nginx/1.17.8
Server Hostname: 127.0.0.1
Server Port: 80
Document Path: /
Document Length: 2426 bytes
Concurrency Level: 100
Time taken for tests: 4.101 seconds
Complete requests: 1000
Failed requests: 0
Total transferred: 3471000 bytes
HTML transferred: 2426000 bytes
Requests per second: 243.82 [#/sec] (mean)
Time per request: 410.142 [ms] (mean)
Time per request: 4.101 [ms] (mean, across all concurrent requests)
Transfer rate: 826.46 [Kbytes/sec] received
Connection Times (ms)
min mean[+/-sd] median max
Connect: 0 2 3.5 1 20
Processing: 40 374 60.2 384 490
Waiting: 38 373 60.5 384 490
Total: 56 376 57.9 385 505
Percentage of the requests served within a certain time (ms)
50% 385
66% 395
75% 402
80% 405
90% 417
95% 431
98% 441
99% 466
100% 505 (longest request)
ab 結果
# 1秒間に捌けるリクエスト数
Requests per second: 243.82 [#/sec] (mean)
# 1リクエストあたりの処理時間
Time per request: 4.101 [ms] (mean, across all concurrent requests)