Amin's Note

ab 參數:

Usage: /usr/sbin/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 containg 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: zop'

                    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)



ex: 要執行 1000 次的 connection, 20 次的 concurrent (並行, 同時).


語法: ab -n 1000 -c 20 http://localhost/abc.php


產生出來的結果. 主要要注意的是以下幾個.


Time taken for tests: 總共執行花了多久的時間.(以上 1000 次共多久)


Requests per second: 每秒平均可以處理多少個 connection.