???????????

????2.3 ???????????
????????????????????飬??????????????????????????????????????????????????й??????????hadoop job??
????????????
????1???????????????????????????????tasktracker???λ?????????λ??case?з??????
????2????????????????case?б???????λ?????????з??????????case??=??case??/??λ????
????3??????????????????????????????????????????????????????????????????hdfs???
????4??????hadoop??job??????input??output?????job????????????tar??????????input??case?б??
????5????в??????job???????????hadoop job??
????6????????檔??????????????н?????????????檔
???????tasktracker??map???????????з???case?б???????????????????????в??????????tasktracker???
??????????
????1?????case?б????map??input?????
????2??????case?б?????case???????????????????????case?????????????SVN????CASE??
????3?????lib???????????檔
????4???????????????????????檔
????5?????case???????????檔
????6????????檔
????????hadoop??????????map????????????????????????е?????
??????????????????????????hadoop???????????(tasktracker)????????е??????????????????????????????????????????

????2.4 ????????????????
???????????????????????????????????????????????????????????????????hadoop?????????hadoop???????????tasktracker???????????????????????????????????????????????valgrind?????????jobtracker?????????????????????????????書?????????????????????????

 ????3 ????
??????????????????????????????????????????????????
????1???????????????????15????????????????????????????1-2С?????飬?????10?????????
????2??????????????????????????????????????л???cpu????????????????????????????????е?cpu????
????4 ?????????????
????4.1 ???????????????
?????????????е??????ж??????????????????????????????У?????????????????????ο???
????1?????????????С?????????????????????????????????lib?????????case??е??
????2????????????case???С?
????3??????case???????????????????????????????д????????
????4??????case??????server??????????????
????5???????????????????????????
????4.2 ????????????????
????1??case???????????з??????????з??????????case???з??
????2?????????????й????????????