?????????????????????????????????????????ν??load Generator???????????????????????????????????????????е??????顣Load Generator??LoadRunner??з???????????????????????????????????

???????????????????????????????HTTP?????????server?????????????????????????IE?? ??????????????????????????????work(?????????????????????￡??????????????????е?λ??????)??????д????????LoadRunner/JMeter/WAS??????????????????????????????????????????????????load generator?????????????????????controller????resource monitor??

????HTTP????????????????????HTTP load generator?????綼?????????????free???????????web??performance???????????????Э?飬???????????????????????????????????????????????????????е?Э????????

?????????к?????????????????????д?????????QA???????programmer??д????????????1??????????????????????????????????????????ò?????????????????????

?????????????????????Rubyд??automation??framework?????????study????Ruby?????д???SMTP client?????team???????????????????POC???

????(??????Eclipse????????????????????snapshot???????????????????copy :) )

????????????д??????????????????SMTP client????15K.eml???????ж??mail header??boby??????????

??????????????????????????????????????SMTP performance?????load generator????????????MTA????Mail server?????????????????15KB size??????mail?????????е????塣

????????????????????????Ruby??????????????????load generator??????????????Сgenerator????????????????????????????????Ruby????????????

??????????????????????????????postfix smtp-sink??fake??MTA?? ????fake??????????mail??????????涪???????????IO?????????????mail server??????????????client?????????????????MTA??????????fake??MTA?????Thinkpad T60??????1Gbps ?????????????????CPU usage??????????????????????????????Mail server??????bottleneck?? ??????????client??????

????HW: PC?? Core 2 E6550 @2.33 GHz?? 2GB RAM.

????15K??sample????ζ?????棬???治???д?????IO??