Changes between Version 3 and Version 4 of III120825/Lab8

Timestamp:

Aug 26, 2012, 2:00:52 PM (13 years ago)

Author:

jazz

Comment:

--

III120825/Lab8

@@ -39 +39 @@
 {{{
 $ mkdir MyJava
-$ ln -s /usr/lib/hadoop/hadoop-*-core.jar hadoop-core.jar
+$ ln -s /opt/hadoop/hadoop-*-core.jar hadoop-core.jar
 $ javac -classpath hadoop-core.jar -d MyJava WordCount.java
 $ jar -cvf wordcount.jar -C MyJava .
@@ -63 +63 @@
 }}}
 -----
-
-= Practice 2 : Word Count (Advanced) =
-
-{{{
-$ echo "\." >pattern.txt && echo "\," >>pattern.txt
-$ hadoop fs -put pattern.txt .
-$ mkdir -p MyJava2
-}}}
-
-
- * 下載 [http://hadoop.nchc.org.tw/WordCount2.java WordCount2.java] 並存到家目錄;[[BR]]Download [http://hadoop.nchc.org.tw/WordCount2.java WordCount2.java] to home directory
-{{{
-~$ wget http://hadoop.nchc.org.tw/WordCount2.java
-}}}
-
-{{{
-$ javac -classpath hadoop-core.jar -d MyJava2 WordCount2.java
-$ jar -cvf wordcount2.jar -C MyJava2 .
-$ hadoop jar wordcount2.jar WordCount2 lab8_input lab8_out2 -skip pattern.txt
-$ hadoop fs -cat lab8_out2/part-00000
-}}}
-
- * lab8_out2 執行結果[[BR]]You should see results like this:
-{{{
-#!text
-Cloud   2
-Course  2
-I       2
-NCTU    1
-and     1
-course  1
-enjoy   1
-like    2
-nctu    1
-this    1
-we      1
-}}}
-
- * Let's given case insensitive and ignore pattern for this example
-{{{
-$ hadoop jar wordcount2.jar WordCount2 -Dwordcount.case.sensitive=false lab8_input lab8_out3 -skip pattern.txt
-$ hadoop fs -cat lab8_out3/part-00000
-}}}
-
- * lab8_out3 執行結果[[BR]]You should see results like this:
-{{{
-#!text
-and     1
-cloud   2
-course  3
-enjoy   1
-i       2
-like    2
-nctu    2
-this    1
-we      1
-}}}