| | 2 | |
| | 3 | {{{ |
| | 4 | cd $HADOOP_HOME |
| | 5 | bin/hadoop dfs -mkdir input |
| | 6 | echo "I like NCHC Cloud Course." > input1 |
| | 7 | echo "I like nchc Cloud Course, and we enjoy this crouse." > input2 |
| | 8 | bin/hadoop dfs -put input1 input |
| | 9 | bin/hadoop dfs -put input2 input |
| | 10 | bin/hadoop dfs -ls input |
| | 11 | }}} |
| | 12 | * 編輯WordCount.java |
| | 13 | {{{ |
| | 14 | mkdir MyJava |
| | 15 | javac -classpath hadoop-*-core.jar -d MyJava WordCount.java |
| | 16 | jar -cvf wordcount.jar -C MyJava . |
| | 17 | bin/hadoop jar wordcount.jar WordCount input/ output/ |
| | 18 | dfs -cat output/part-00000 |
| | 19 | }}} |
| | 20 | |
| | 21 | ----- |
| | 22 | {{{ |
| | 23 | echo "\." >pattern.txt && echo "\," >>pattern.txt |
| | 24 | bin/hadoop dfs -put pattern.txt ./ |
| | 25 | mkdir MyJava2 |
| | 26 | }}} |
| | 27 | * 編輯WordCount2.java |
| | 28 | {{{ |
| | 29 | javac -classpath hadoop-*-core.jar -d MyJava2 WordCount2.java |
| | 30 | jar -cvf wordcount2.jar -C MyJava2 . |
| | 31 | bin/hadoop jar wordcount2.jar WordCount2 input output2 -skip pattern.txt |
| | 32 | dfs -cat output2/part-00000 |
| | 33 | bin/hadoop jar wordcount2.jar WordCount2 -Dwordcount.case.sensitive=false input output3 -skip pattern.txt |
| | 34 | dfs -cat output3/part-00000 |
| | 35 | }}} |