Usage: /usr/local/apache/bin/ab [options] [http://]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
-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
-V Print version number and exit
-k Use HTTP KeepAlive feature
-h Display usage information (this message)
ab使用:
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.
