ApacheBench

abを使ってbenchmarkをとってみる．

% 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
    -t timelimit    Seconds to max. wait for responses
    -p postfile     File containing data to POST
    -T content-type Content-type header for POSTing
    -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.
    -g filename     Output collected data to gnuplot format file.
    -e filename     Output CSV file with percentages served
    -s              Use httpS instead of HTTP (SSL)
    -h              Display usage information (this message)

This is ApacheBench, Version 2.0.41-dev <$Revision: 1.1 $> apache-2.0
Copyright (c) 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Copyright (c) 1998-2002 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
Finished 1000 requests


Server Software:        qwikWeb/0.7.0+20050830
Server Hostname:        127.0.0.1
Server Port:            9190

Document Path:          /
Document Length:        6160 bytes

Concurrency Level:      100
Time taken for tests:   101.564367 seconds
Complete requests:      1000
Failed requests:        0
Write errors:           0
Total transferred:      6410834 bytes
HTML transferred:       6164096 bytes
Requests per second:    9.85 [#/sec] (mean)
Time per request:       10156.437 [ms] (mean)
Time per request:       101.564 [ms] (mean, across all concurrent requests)
Transfer rate:          61.64 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0 1575 3864.3      0   45085
Processing:   382 6503 16397.6    630   56793
Waiting:      308 6346 16274.0    516   56401
Total:        382 8079 17908.6    656   71431

Percentage of the requests served within a certain time (ms)
  50%    656
  66%    766
  75%   3611
  80%   3726
  90%  56838
  95%  59851
  98%  62660
  99%  62950
 100%  71431 (longest request)