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???????????? ???????[ 2012/10/31 10:24:25 ] ????????
????1 ??????
????1.1 ???????
????????????????????????????????????????case????????????????????????????????????case??????????У????????????С????????????????????ci???????????????????????????л??????????????????????
????Hadoop??????????з????????????????????????????????????У?????????????У???????Ч??????;????hadoop?????????????????????????????????????????????????????????????????л???????????
????1.2 ???????????
??????????????hadoop???????????????????Hadoop??????????????з????????????????hadoop?г??????????????????????????????????cpu????????????????????????????hadoop?????????д???????????
????1.3 ???????
??????apache????????????????
????Mapreduce ??hadoop???????????map?????reduce??????ɡ?
????Jobtracker ??hadoop????????????
????Tasktracker ??hadoop????????????
????Slot(??λ) ??tasktracker??С???????????????λ?????????map?????????????????tasktracker????λ????????????cpu???????????????”????-1”??
????<2 ??????????з???
????2.1 ???????????????????
?????????????????????5??????????????
????1??lib????????????????lib??????????ò????????????lib??
????2?????????????????????????????????????????????????server???????
????3??case???????svn????case?????????е?case??
????4??case???С?
????5????????檔
??????????????е????????????????????????????case???????У??????Ч???л?????cpu???????????????????????????8??16G???????????case?????cpu??????10%?????????1G?????????????????????????????6??case???л??????Ч?????????????
????2.2 ????????????????????е????
???????????????????輰??????????????????п??????????????????????????????????????lib????????????????????????С??????????з????
???????????????????????Case??м????????????????????????????????????case???????б?“????????????????????й???????????????????????????????????????????????case???????????л????????
????????????????case????????????仯(6λ????????caseid)??
??????
???·???
??????????????????
2023/3/23 14:23:39???д?ò??????????
2023/3/22 16:17:39????????????????????Щ??
2022/6/14 16:14:27??????????????????????????
2021/10/18 15:37:44???????????????
2021/9/17 15:19:29???·???????·
2021/9/14 15:42:25?????????????
2021/5/28 17:25:47??????APP??????????
2021/5/8 17:01:11