????ab???????ApacheBench???? Apache ?????????С???????????? HTTP Server ??benchmark testing????????????????????????С??????apache??bin?????棬???????????????????????￡????????????cmd???????????ab.exe?????????C:WINDOWSsystem32·???￡??????????ú???????

????loadrunner???ú???????о????ab????????????????????

????1.ab?????????????????????????loadrunner??????????????????????????????????????????????????????????????

????2.ab???????С????ò??????????????????????????loadrunner??????????????????????????????loadrunner????????????????μ??

????3.ab?????С???????????? ??????????????????????????????loadrunner???????????????????????????????????????????飬?? ??????????????????????????linux????loadrunner?и????????????????????????1????????????? 2??????????? 3????????????  3?????λ?????????????????Щab???????????????

????4.????????????????????????????????????????????д??????????????????????????Σ??????????????????loadrunner???????????????????????????loadrunner???????????????????????????ab????????????????????

??????????2????????????????????????????????????ab??????????????????????????????????????2~3??????????????????????????ò???????????

???????????????????????濴??????С???????????????

?????????????????1?????????????????????????????????????ab????????????????

-n requests     Number of requests to perform
//????????????е????????????????????????????
-c concurrency Number of multiple requests to make
//??β???????????????????????????
-t timelimit    Seconds to max. wait for responses
//?????????е????????????????????-n 50000??????????????????????????????????????????????????????????????
-p postfile     File containing data to POST
//?????????POST??????????.
-T content-type Content-type header for POSTing
//POST??????????Content-type??????
-v verbosity    How much troubleshooting info to print
//?????????????????? - 4????????????????? 3????????????????????(404?? 200??)?? 2??????????????????????????? -V ????汾????????
-w              Print out results in HTML tables
//??HTML??????????????????????????????????п????????
-i              Use HEAD instead of GET
// ???HEAD??????????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)
//-C cookie-name=value ???????????Cookie:?С? ??????????name=value??????????????????????????
-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.
//-P proxy-auth-username:password ??????????????BASIC??????Ρ?????????????????:?????????base64???????????????????????????(???? ???????401??????????)??????????????????
-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
-h              Display usage information (this message)