實作二： HDFS 指令操作練習

前言

• 此部份接續實做一

Content 1. 基本操作

1.1 瀏覽你HDFS目錄

1.2 上傳資料到HDFS目錄

1.3 下載HDFS的資料到本地目錄

1.4 更多指令操作

Content 2. Hadoop 運算命令

2.1 Hadoop運算命令 grep

2.2 Hadoop運算命令 WordCount

2.3 更多運算命令

可執行的指令一覽表：

aggregatewordcount	An Aggregate based map/reduce program that counts the words in the input files.
aggregatewordhist	An Aggregate based map/reduce program that computes the histogram of the words in the input files.
grep	A map/reduce program that counts the matches of a regex in the input.
join	A job that effects a join over sorted, equally partitioned datasets
multifilewc	A job that counts words from several files.
pentomino	A map/reduce tile laying program to find solutions to pentomino problems.
pi	A map/reduce program that estimates Pi using monte-carlo method.
randomtextwriter	A map/reduce program that writes 10GB of random textual data per node.
randomwriter	A map/reduce program that writes 10GB of random data per node.
sleep	A job that sleeps at each map and reduce task.
sort	A map/reduce program that sorts the data written by the random writer.
sudoku	A sudoku solver.
wordcount	A map/reduce program that counts the words in the input files.

請參考 ​org.apache.hadoop.examples

Content 3. 使用網頁Gui瀏覽訊息

練習