?????????????

??????????????????
????linux centos  8G??? 4??
??????????????????
????1?????????????????????б?????????????????????????????????????????????????????????????????
????1??100????? 1S??1vuser   5 min  30 min
????2)200?????  1S??1vuser   5 min   30 min
????3)500?????   1S??1vuser   5 min   30 min
????1-1???????????
????1?????????????10s????????????99.9%??CPU???60%?????仯????δ??????????????????5g??
????2?????????????20s????????????88%??CPU??60%?????5g-6g??????????????connect timeout
????3)???????2???????connect timeout?????????lr???????????????????????????????????3??????????connet timeout?????????90%???????y?????????2?????????????99%???????
????4???????top??????java??????????????????????
????1-2??????????
??????????????????java??????????????????
????????λ???????????????潵?4g?????????????????????????????????????3g???????治????????????????й???
????2??uat????????? ???????б?????????????????
????1??100????? 1S??1vuser   5 min  30 min
????2)200?????  1S??1vuser   5 min   30 min
????3)500?????   1S??1vuser   5 min   30 min
???????????????????????????????????
????2-1?????????
????1??????1??????100vuser????????????502bad gayway??503???????
????????????y??
????????????λ
???????????????????δ???100????????????????????????????????????????????webservice???????????????????????????????????????????
???????????????????webservice????????????????????????????webservice?????????????????????
????????????
??????????????????????????????LBS???????.3.5??????? ??????8g
??????????
???????100vuser???δ??????200vuser???????????÷????4g?????????java????????????????????λ??tomcat??棬????jvm?????????????????????δ??????jvm????????????????????????????????
?????塢????
????tomcat??permgium???????502????????1048g;?????????????
???????????
???????200??й????????????????95%???????????????200vuser????????0.5h?????????????????
?????????????zabbix??
???????????????
????1??tomcat????? 2??????????б??????? 3?????????  4???????建??