???????????????????????????????Duration - Wasted Time???0.2629??10?ε?????????0.255?????±??

??????1   LR?????web_url???????duration??????????

??????????????JMeter????????????????????????????????????

????2?? JMeter????web??????????

????2.1  ??????

??????JMeter??????????????￡????HTTP Cache Manager?????clear cache each iteration???????????ε?????????????β???Ч????

?????????????HTTP??????????????棬???????????

????HTTP????????·????д??http://www.baidu.com/??

????2.2  ???????????

??????????????????????1?????????????10??ramp-up???0??

??????н??