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