Changes between Version 1 and Version 2 of NCHCCloudCourse100802/Lab4

Timestamp:

Aug 6, 2010, 11:36:04 AM (15 years ago)

Author:

jazz

Comment:

--

NCHCCloudCourse100802/Lab4

@@ -2 +2 @@
 #!html
 <div style="text-align: center;"><big
- style="font-weight: bold;"><big><big>實做四: Hadoop 程式編譯</big></big></big></div>
+ style="font-weight: bold;"><big><big>實作四: MapReduce 程式編譯</big></big></big><br/><big><big>Lab4: Compiling Hadoop MapReduce Java Program</big></big></div>
 }}}
 [[PageOutline]]
 
-= 練習 1 : Word Count 初級版 =
+= Practice 1 : Word Count #1 (Basic) =
 
- * 上傳內容到hdfs內
+ * 上傳內容到 HDFS 內[[BR]]upload data to HDFS
 
 {{{
@@ -19 +19 @@
 }}}
 
- * 下載 [http://secuse.nchc.org.tw/class/WordCount.java WordCount.java] 並存到/opt/hadoop;
+ * 下載 [http://secuse.nchc.org.tw/class/WordCount.java WordCount.java] 並存到/opt/hadoop;[[BR]]Download [http://secuse.nchc.org.tw/class/WordCount.java WordCount.java] and save to /opt/hadoop
 {{{
-$ wget http://secuse.nchc.org.tw/class/WordCount.java
+~$ cd /opt/hadoop
+/opt/hadoop$ wget http://secuse.nchc.org.tw/class/WordCount.java
 }}}
 
- * 運作程式
+ * 運作程式[[BR]]Compile WordCount.java and run it by '''hadoop jar''' command
 
 {{{
@@ -34 +35 @@
 }}}
 
- * lab4_out1 執行結果 
+ * lab4_out1 執行結果 [[BR]]You should see results like this :
 {{{
 #!text
@@ -52 +53 @@
 -----
 
-= 練習 2 : Word Count 進階版 =
+= Practice 2 : Word Count #2 (Advanced) =
 
 {{{
@@ -61 +62 @@
 
 
- * 下載 [raw-attachment:wiki:Hadoop_Lab4:WordCount2.java WordCount2.java] 並存到/opt/hadoop;
+ * 下載 [raw-attachment:wiki:Hadoop_Lab4:WordCount2.java WordCount2.java] 並存到/opt/hadoop;[[BR]]Download [raw-attachment:wiki:Hadoop_Lab4:WordCount2.java WordCount2.java] to /opt/hadoop
 {{{
-$ wget http://trac.nchc.org.tw/cloud/raw-attachment/wiki/Hadoop_Lab4/WordCount2.java
+~$ cd /opt/hadoop
+/opt/hadoop$ wget http://trac.nchc.org.tw/cloud/raw-attachment/wiki/Hadoop_Lab4/WordCount2.java
 }}}
 
@@ -73 +75 @@
 }}}
 
- * lab4_out2 執行結果
+ * lab4_out2 執行結果[[BR]]You should see results like this:
 {{{
 #!text
@@ -89 +91 @@
 }}}
 
+ * Let's given case insensitive and ignore pattern for this example
 {{{
-$ bin/hadoop jar wordcount2.jar WordCount2 -Dwordcount.case.sensitive=false lab4_input lab4_out3 -skip pattern.txt
-$ bin/hadoop fs -cat lab4_out3/part-00000
+/opt/hadoop$ echo "\," > pattern.txt && echo "\." >> pattern.txt
+/opt/hadoop$ bin/hadoop jar wordcount2.jar WordCount2 -Dwordcount.case.sensitive=false lab4_input lab4_out3 -skip pattern.txt
+/opt/hadoop$ bin/hadoop fs -cat lab4_out3/part-00000
 }}}
 
- * lab4_out3 執行結果
+ * lab4_out3 執行結果[[BR]]You should see results like this:
 {{{
 #!text