| Version 3 (modified by waue, 16 years ago) (diff) |
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hadoop 0.20 程式開發
eclipse plugin + Makefile
- 開發hadoop 需要用到許多的物件導向語法，包括繼承關係、介面類別，而且需要匯入正確的classpath，否則寫hadoop程式只是打字練習...
- 用類 vim 來處理這種複雜的程式，有可能會變成一場惡夢，因此用eclipse開發，搭配mapreduce-plugin會事半功倍。
- 早在hadoop 0.19～0.16之間的版本，我就試過各個plugin，每個版本的plugin都確實有大大小小的問題，如：hadoop plugin 無法正確使用、無法run as mapreduce。hadoop0.16搭配IBM的hadoop_plugin 可以提供完整的功能，但是，老兵不死，只是凋零...
- 時代進步如斯，要跟上潮流，因此此篇的重點在：用eclipse開發hadoop程式，並且測試撰寫的程式運作在hadoop上
1. 安裝eclipse
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- 1-1.png (41.7 KB) - added by waue 16 years ago.
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- file-new-mapper.png (30.4 KB) - added by waue 16 years ago.
- file-new-mr-driver.png (30.2 KB) - added by waue 16 years ago.
- file-new-project.png (26.7 KB) - added by waue 16 years ago.
- file-new-reducer.png (25.8 KB) - added by waue 16 years ago.
- run-on-hadoop.png (398.2 KB) - added by waue 16 years ago.
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- 4-1.png (200.2 KB) - added by waue 16 years ago.
- 4-2.png (236.2 KB) - added by waue 16 years ago.
