hadoop-examples
所属分类：云计算
开发工具：Java
文件大小：21KB
下载次数：0
上传日期：2012-04-24 02:28:41
上 传 者：
sh-1993
说明： 只是玩简单的hadoop示例
(Just playing with simple hadoop examples)
文件列表:
friends (41, 2012-04-24)
score (33, 2012-04-24)
src (0, 2012-04-24)
src\CustomKey (0, 2012-04-24)
src\CustomKey\CustomIntPairDriver.java (1346, 2012-04-24)
src\CustomKey\CustomIntPairMapper.java (693, 2012-04-24)
src\CustomKey\CustomIntPairReducer.java (822, 2012-04-24)
src\CustomKey\IntPair.java (1524, 2012-04-24)
src\CustomKey\TextIntPair.java (1587, 2012-04-24)
src\CustomKey\TextPair.java (1462, 2012-04-24)
src\ReduceSideJoin (0, 2012-04-24)
src\ReduceSideJoin\ReduceSideJoinDriver.java (1546, 2012-04-24)
src\ReduceSideJoin\ReduceSideJoinGroupComparator.java (586, 2012-04-24)
src\ReduceSideJoin\ReduceSideJoinPartitioner.java (364, 2012-04-24)
src\ReduceSideJoin\ReduceSideJoinUserLogsMapper.java (614, 2012-04-24)
src\ReduceSideJoin\ReduceSideJoinUserNameMapper.java (682, 2012-04-24)
src\ReduceSideJoin\ReduceSideReducer.java (930, 2012-04-24)
src\ReduceSideJoin\file1 (37, 2012-04-24)
src\ScoreFriends (0, 2012-04-24)
src\ScoreFriends\EmitFriendsMapper.java (632, 2012-04-24)
src\ScoreFriends\FriendScoreDriver.java (3828, 2012-04-24)
src\ScoreFriends\Job1 (0, 2012-04-24)
src\ScoreFriends\Job1\ReduceSideJoin_1_FriendsUserMapper.java (687, 2012-04-24)
src\ScoreFriends\Job1\ReduceSideJoin_1_GroupComparator.java (571, 2012-04-24)
src\ScoreFriends\Job1\ReduceSideJoin_1_Partitioner.java (372, 2012-04-24)
src\ScoreFriends\Job1\ReduceSideJoin_1_UserScoreMapper.java (683, 2012-04-24)
src\ScoreFriends\Job1\ReduceSide_1_Reducer.java (1013, 2012-04-24)
src\ScoreFriends\Job2 (0, 2012-04-24)
src\ScoreFriends\Job2\SecondarySort_2_Comparator.java (665, 2012-04-24)
src\ScoreFriends\Job2\SecondarySort_2_GroupComparator.java (587, 2012-04-24)
src\ScoreFriends\Job2\SecondarySort_2_Partitioner.java (415, 2012-04-24)
src\ScoreFriends\Job2\SecondarySort_2_Reducer.java (918, 2012-04-24)
src\ScoreFriends\Job2\SecondarySort_2_UserFriendMapper.java (886, 2012-04-24)
src\ScoreFriends\friends (41, 2012-04-24)
src\ScoreFriends\score (33, 2012-04-24)
src\SecondarySort (0, 2012-04-24)
... ...
This Map reduce pipeline helps you to sort your friends on a simple score.
Each user has a list of friend and each user also has a score.
In the end, it will just sort the user friends in an descreasing friend's score.
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