MapReduce案例之ReduceJoin
MapReduce案例之ReduceJoin需求 如下两个文件order.txt是用户的订单信息order001,u001order002,u001order003,u005order004,u002order005,u003order006,u004user.txt是基本用户信息u001,senge,18,angelababyu002,laozhao,48,ruhuau003,xiaoxu,16,chungeu004,laoyang,28,zenggeu005,n
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2020-05-11 23:34:56 ·
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