??????????????????????1000????????????? 50 msg/s?? 2??????????????80???????????????????????????????????????????????????????????

???????????????????80 msg/s = 288??000 msg/hour = 6??912??000 msg/day

????????????????????mail??????ò????????

?????????????pure C??client??????????????pure C??????200+??????д???????????????????socket??multi thread??????

??????????????????????????????????????????????????????????????е???????????Ρ?????10??thread?????????????????????????????

??????????????????????????к?????????

????????????ü??Σ???ζ?????????????????????smtp-sink?????????????????stack????????????????????????buffer handle???????????????????????Щ???????handle?á????????????????????????????Щerror handling??flow control???????

??????????????????????????????????????client???????????Load generator

????Multi-thread client != Load Generator

???????load generator??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????У?load generator?????????????????????????????????????????????????????concurrent connection??response time??error rate?????????Щ??????????????

??????????load generator?????????????????????????????????????????????????ó????????????????д???????????????????????????ù??????????????????????????????????????????????????????crash????memory leak??????????JMeter??SilkPerformer????Avalanche??????豸?????????????????????????????????????????????????????д??????????????client??????????????