![Leiningen (pronounced “LINE-ing-en”) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],超手軽に Clojure 開発環境構築＆ Java ライブラリ取得・使用が可能](https://image.slidesharecdn.com/shibuyalisp5-100319151023-phpapp01/75/clojureleiningen3hadoop-3-2048.jpg?cb=1668661780)
![例題として Hadoop ,[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/shibuyalisp5-100319151023-phpapp01/75/clojureleiningen3hadoop-4-2048.jpg?cb=1668661780)
![デモ ( 動画 ) ,[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/shibuyalisp5-100319151023-phpapp01/75/clojureleiningen3hadoop-5-2048.jpg?cb=1668661780)
![Leiningen の基本的な使い方 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/shibuyalisp5-100319151023-phpapp01/75/clojureleiningen3hadoop-7-2048.jpg?cb=1668661780)
![マクロで Mapper/Reducer 定義 ,[object Object],[object Object],[object Object],(defmapreduce hello :mapper ([key value context] (.write context (Text. key) (IntWritable. (Integet/parseInt value)))) :reducer ([key values context] (.write context key (IntWritable. (reduce + (map #(.get %) values))))))](https://image.slidesharecdn.com/shibuyalisp5-100319151023-phpapp01/75/clojureleiningen3hadoop-8-2048.jpg?cb=1668661780)
![簡単並行処理 ,[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/shibuyalisp5-100319151023-phpapp01/75/clojureleiningen3hadoop-9-2048.jpg?cb=1668661780)
![マルチメソッドを使う ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/shibuyalisp5-100319151023-phpapp01/75/clojureleiningen3hadoop-10-2048.jpg?cb=1668661780)
Clojure+Leiningenで3分Hadoop
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Clojure+Leiningenで3分Hadoop
- 1. Clojure+Leiningen で 3 分 Hadoop Shibuya.lisp TT#5 March 10, 2010 @making ( http://ik.am ) BlogSystem Written By CommonLisp 「 CategoL 」 ( http://github.com/making/categol )
- 2. Clojure をインストールした後、 こんな風に思ったことないですか？ REPL 起動の仕方が人によって違わない？ .clj ファイルをロードしたいけど Could not locate っていわれる クラスパス追加しないといけないの？ jar をどこに置けばいいのか分からない 面倒くさい。。。
- 6. 以下、補足資料