Changes between Version 3 and Version 4 of jazz/Hadoop_Lab2

Timestamp:

Mar 24, 2009, 11:15:52 AM (15 years ago)

Author:

waue

Comment:

--

jazz/Hadoop_Lab2

@@ -14 +14 @@
  === 1.3 下載HDFS的資料到本地目錄 === 
   
- === 1.4 更多指令操作
+ === 1.4 更多指令操作 ===
   
  == Content 2. Hadoop 運算命令 == 
@@ -25 +25 @@
  
  請參考 [http://hadoop.apache.org/core/docs/current/api/org/apache/hadoop/examples/package-summary.html org.apache.hadoop.examples]
+ 
+ 
  
 {{{
@@ -37 +39 @@
 </tr>
 <tr class="TableRowColor" bgcolor="white">
-<td width="15%"><b><a href="../../../../org/apache/hadoop/examples/AggregateWordCount.html" title="class in org.apache.hadoop.examples">AggregateWordCount</a></b></td>
+<td width="15%"><b><a href="http://hadoop.apache.org/core/docs/current/api/org/apache/hadoop/examples/AggregateWordCount.html" title="class in org.apache.hadoop.examples">AggregateWordCount</a></b></td>
 
 <td>This is an example Aggregated Hadoop Map/Reduce application.</td>
@@ -43 +45 @@
 
 <tr class="TableRowColor" bgcolor="white">
-<td width="15%"><b><a href="../../../../org/apache/hadoop/examples/AggregateWordHistogram.html" title="class in org.apache.hadoop.examples">AggregateWordHistogram</a></b></td>
+<td width="15%"><b><a href="http://hadoop.apache.org/core/docs/current/api/org/apache/hadoop/examples/AggregateWordHistogram.html" title="class in org.apache.hadoop.examples">AggregateWordHistogram</a></b></td>
 <td>This is an example Aggregated Hadoop Map/Reduce application.</td>
 
 </tr>
 <tr class="TableRowColor" bgcolor="white">
-<td width="15%"><b><a href="../../../../org/apache/hadoop/examples/DBCountPageView.html" title="class in org.apache.hadoop.examples">DBCountPageView</a></b></td>
+<td width="15%"><b><a href="http://hadoop.apache.org/core/docs/current/api/org/apache/hadoop/examples/DBCountPageView.html" title="class in org.apache.hadoop.examples">DBCountPageView</a></b></td>
 <td>This is a demonstrative program, which uses DBInputFormat for reading
  the input data from a database, and DBOutputFormat for writing the data 
@@ -54 +56 @@
 </tr>
 <tr class="TableRowColor" bgcolor="white">
-<td width="15%"><b><a href="../../../../org/apache/hadoop/examples/ExampleDriver.html" title="class in org.apache.hadoop.examples">ExampleDriver</a></b></td>
+<td width="15%"><b><a href="http://hadoop.apache.org/core/docs/current/api/org/apache/hadoop/examples/ExampleDriver.html" title="class in org.apache.hadoop.examples">ExampleDriver</a></b></td>
 <td>A description of an example program based on its class and a 
  human-readable description.</td>
 </tr>
 <tr class="TableRowColor" bgcolor="white">
-<td width="15%"><b><a href="../../../../org/apache/hadoop/examples/Grep.html" title="class in org.apache.hadoop.examples">Grep</a></b></td>
+<td width="15%"><b><a href="http://hadoop.apache.org/core/docs/current/api/org/apache/hadoop/examples/Grep.html" title="class in org.apache.hadoop.examples">Grep</a></b></td>
 
 <td>&nbsp;</td>
 </tr>
 <tr class="TableRowColor" bgcolor="white">
-<td width="15%"><b><a href="../../../../org/apache/hadoop/examples/Join.html" title="class in org.apache.hadoop.examples">Join</a></b></td>
+<td width="15%"><b><a href="http://hadoop.apache.org/core/docs/current/api/org/apache/hadoop/examples/Join.html" title="class in org.apache.hadoop.examples">Join</a></b></td>
 <td>This is the trivial map/reduce program that does absolutely nothing
  other than use the framework to fragment and sort the input values.</td>
 </tr>
 <tr class="TableRowColor" bgcolor="white">
-<td width="15%"><b><a href="../../../../org/apache/hadoop/examples/MultiFileWordCount.html" title="class in org.apache.hadoop.examples">MultiFileWordCount</a></b></td>
+<td width="15%"><b><a href="http://hadoop.apache.org/core/docs/current/api/org/apache/hadoop/examples/MultiFileWordCount.html" title="class in org.apache.hadoop.examples">MultiFileWordCount</a></b></td>
 <td>MultiFileWordCount is an example to demonstrate the usage of 
  MultiFileInputFormat.</td>
 </tr>
 <tr class="TableRowColor" bgcolor="white">
-<td width="15%"><b><a href="../../../../org/apache/hadoop/examples/MultiFileWordCount.MapClass.html" title="class in org.apache.hadoop.examples">MultiFileWordCount.MapClass</a></b></td>
+<td width="15%"><b><a href="http://hadoop.apache.org/core/docs/current/api/org/apache/hadoop/examples/MultiFileWordCount.MapClass.html" title="class in org.apache.hadoop.examples">MultiFileWordCount.MapClass</a></b></td>
 
-<td>This Mapper is similar to the one in <a href="../../../../org/apache/hadoop/examples/WordCount.MapClass.html" title="class in org.apache.hadoop.examples"><code>WordCount.MapClass</code></a>.</td>
+<td>This Mapper is similar to the one in <a href="http://hadoop.apache.org/core/docs/current/api/org/apache/hadoop/examples/WordCount.MapClass.html" title="class in org.apache.hadoop.examples"><code>WordCount.MapClass</code></a>.</td>
 </tr>
 <tr class="TableRowColor" bgcolor="white">
-<td width="15%"><b><a href="../../../../org/apache/hadoop/examples/MultiFileWordCount.MultiFileLineRecordReader.html" title="class in org.apache.hadoop.examples">MultiFileWordCount.MultiFileLineRecordReader</a></b></td>
+<td width="15%"><b><a href="http://hadoop.apache.org/core/docs/current/api/org/apache/hadoop/examples/MultiFileWordCount.MultiFileLineRecordReader.html" title="class in org.apache.hadoop.examples">MultiFileWordCount.MultiFileLineRecordReader</a></b></td>
 <td>RecordReader is responsible from extracting records from the InputSplit.</td>
 </tr>
 <tr class="TableRowColor" bgcolor="white">
-<td width="15%"><b><a href="../../../../org/apache/hadoop/examples/MultiFileWordCount.MyInputFormat.html" title="class in org.apache.hadoop.examples">MultiFileWordCount.MyInputFormat</a></b></td>
-<td>To use <a href="../../../../org/apache/hadoop/mapred/MultiFileInputFormat.html" title="class in org.apache.hadoop.mapred"><code>MultiFileInputFormat</code></a>, one should extend it, to return a 
- (custom) <a href="../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred"><code>RecordReader</code></a>.</td>
+<td width="15%"><b><a href="http://hadoop.apache.org/core/docs/current/api/org/apache/hadoop/examples/MultiFileWordCount.MyInputFormat.html" title="class in org.apache.hadoop.examples">MultiFileWordCount.MyInputFormat</a></b></td>
+<td>To use <a href="http://hadoop.apache.org/core/docs/current/api/org/apache/hadoop/mapred/MultiFileInputFormat.html" title="class in org.apache.hadoop.mapred"><code>MultiFileInputFormat</code></a>, one should extend it, to return a 
+ (custom) <a href="http://hadoop.apache.org/core/docs/current/api/org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred"><code>RecordReader</code></a>.</td>
 
 </tr>
 <tr class="TableRowColor" bgcolor="white">
-<td width="15%"><b><a href="../../../../org/apache/hadoop/examples/MultiFileWordCount.WordOffset.html" title="class in org.apache.hadoop.examples">MultiFileWordCount.WordOffset</a></b></td>
+<td width="15%"><b><a href="http://hadoop.apache.org/core/docs/current/api/org/apache/hadoop/examples/MultiFileWordCount.WordOffset.html" title="class in org.apache.hadoop.examples">MultiFileWordCount.WordOffset</a></b></td>
 <td>This record keeps &lt;filename,offset&gt; pairs.</td>
 </tr>
 <tr class="TableRowColor" bgcolor="white">
-<td width="15%"><b><a href="../../../../org/apache/hadoop/examples/PiEstimator.html" title="class in org.apache.hadoop.examples">PiEstimator</a></b></td>
+<td width="15%"><b><a href="http://hadoop.apache.org/core/docs/current/api/org/apache/hadoop/examples/PiEstimator.html" title="class in org.apache.hadoop.examples">PiEstimator</a></b></td>
 <td>A Map-reduce program to estimaate the valu eof Pi using monte-carlo
  method.</td>
@@ -99 +101 @@
 <tr class="TableRowColor" bgcolor="white">
 
-<td width="15%"><b><a href="../../../../org/apache/hadoop/examples/PiEstimator.PiMapper.html" title="class in org.apache.hadoop.examples">PiEstimator.PiMapper</a></b></td>
+<td width="15%"><b><a href="http://hadoop.apache.org/core/docs/current/api/org/apache/hadoop/examples/PiEstimator.PiMapper.html" title="class in org.apache.hadoop.examples">PiEstimator.PiMapper</a></b></td>
 <td>Mappper class for Pi estimation.</td>
 </tr>SleepJob.SleepInputFormat
 <tr class="TableRowColor" bgcolor="white">
-<td width="15%"><b><a href="../../../../org/apache/hadoop/examples/RandomTextWriter.html" title="class in org.apache.hadoop.examples">RandomTextWriter</a></b></td>
+<td width="15%"><b><a href="http://hadoop.apache.org/core/docs/current/api/org/apache/hadoop/examples/RandomTextWriter.html" title="class in org.apache.hadoop.examples">RandomTextWriter</a></b></td>
 <td>This program uses map/reduce to just run a distributed job where there is
  no interaction between the tasks and each task writes a large unsorted
@@ -110 +112 @@
 <tr class="TableRowColor" bgcolor="white">
 
-<td width="15%"><b><a href="../../../../org/apache/hadoop/examples/RandomWriter.html" title="class in org.apache.hadoop.examples">RandomWriter</a></b></td>
+<td width="15%"><b><a href="http://hadoop.apache.org/core/docs/current/api/org/apache/hadoop/examples/RandomWriter.html" title="class in org.apache.hadoop.examples">RandomWriter</a></b></td>
 <td>This program uses map/reduce to just run a distributed job where there is
  no interaction between the tasks and each task write a large unsorted
@@ -116 +118 @@
 </tr>
 <tr class="TableRowColor" bgcolor="white">
-<td width="15%"><b><a href="../../../../org/apache/hadoop/examples/SleepJob.html" title="class in org.apache.hadoop.examples">SleepJob</a></b></td>
+<td width="15%"><b><a href="http://hadoop.apache.org/core/docs/current/api/org/apache/hadoop/examples/SleepJob.html" title="class in org.apache.hadoop.examples">SleepJob</a></b></td>
 <td>Dummy class for testing MR framefork.</td>
 </tr>
 
 <tr class="TableRowColor" bgcolor="white">
-<td width="15%"><b><a href="../../../../org/apache/hadoop/examples/Sort.html" title="class in org.apache.hadoop.examples">Sort&lt;K,V&gt;</a></b></td>
+<td width="15%"><b><a href="http://hadoop.apache.org/core/docs/current/api/org/apache/hadoop/examples/Sort.html" title="class in org.apache.hadoop.examples">Sort&lt;K,V&gt;</a></b></td>
 <td>This is the trivial map/reduce program that does absolutely nothing
  other than use the framework to fragment and sort the input values.</td>
 </tr>
 <tr class="TableRowColor" bgcolor="white">
-<td width="15%"><b><a href="../../../../org/apache/hadoop/examples/WordCount.html" title="class in org.apache.hadoop.examples">WordCount</a></b></td>
+<td width="15%"><b><a href="http://hadoop.apache.org/core/docs/current/api/org/apache/hadoop/examples/WordCount.html" title="class in org.apache.hadoop.examples">WordCount</a></b></td>
 <td>This is an example Hadoop Map/Reduce application.</td>
 </tr>
 
 <tr class="TableRowColor" bgcolor="white">
-<td width="15%"><b><a href="../../../../org/apache/hadoop/examples/WordCount.MapClass.html" title="class in org.apache.hadoop.examples">WordCount.MapClass</a></b></td>
+<td width="15%"><b><a href="http://hadoop.apache.org/core/docs/current/api/org/apache/hadoop/examples/WordCount.MapClass.html" title="class in org.apache.hadoop.examples">WordCount.MapClass</a></b></td>
 <td>Counts the words in each line.</td>
 </tr>
 <tr class="TableRowColor" bgcolor="white">
-<td width="15%"><b><a href="../../../../org/apache/hadoop/examples/WordCount.Reduce.html" title="class in org.apache.hadoop.examples">WordCount.Reduce</a></b></td>
+<td width="15%"><b><a href="http://hadoop.apache.org/core/docs/current/api/org/apache/hadoop/examples/WordCount.Reduce.html" title="class in org.apache.hadoop.examples">WordCount.Reduce</a></b></td>
 <td>A reducer class that just emits the sum of the input values.</td>
 </tr>