2. Apache Hadoopã¨ã¯ â åæ£å¦çåºç¤ â HDFS - åæ£ãã¡ã¤ã«ã·ã¹ãã â MapReduce - åæ£å¦çãã¬ã¼ã ã¯ã¼ã¯ â Apache財å£ã®ããã¸ã§ã¯ã â Javaã§ä½ããã¦ãã â http://hadoop.apache.org/ 5. HDFSã®æä½ $ hdfs dfs -ls /user/tokibito Found 3 items drwx------ tokibito tokibito 0 drwxrwxrwx - tokibito tokibito 0 -rw-r--r-3 tokibito tokibito 419 $ hdfs dfs -put test.txt /user/tokibito/ $ hdfs dfs -ls /user/tokibito/ Found 4 items drwx------ tokibito tokibito
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