Changes between Version 3 and Version 4 of waue/2010/0118


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Timestamp:
Jan 19, 2010, 10:36:53 AM (14 years ago)
Author:
waue
Comment:

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  • waue/2010/0118

    v3 v4  
    5959      }
    6060}}}
     61
     62 * 解析
     63
     64用output.collect寫入輸出串流,''' new Text(word) ''' 感覺用這個方法就可以把 Text 型態的資料寫入,
     65
     66hadoop 0.18 可以這麼做不會出問題,但在 hadoop 0.20 之後,如果遇到''' " Type mismatch in key from xxx " ''' 問題時
     67
     68可以換成用 Text.set() 方法來解決問題 !
     69