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From cdoug...@apache.org
Subject svn commit: r672070 [2/2] - in /hadoop/core/branches/branch-0.18: ./ docs/ src/docs/src/documentation/content/xdocs/
Date Fri, 27 Jun 2008 01:33:45 GMT
Modified: hadoop/core/branches/branch-0.18/docs/hdfs_permissions_guide.html
URL: http://svn.apache.org/viewvc/hadoop/core/branches/branch-0.18/docs/hdfs_permissions_guide.html?rev=672070&r1=672069&r2=672070&view=diff
==============================================================================
--- hadoop/core/branches/branch-0.18/docs/hdfs_permissions_guide.html (original)
+++ hadoop/core/branches/branch-0.18/docs/hdfs_permissions_guide.html Thu Jun 26 18:33:44 2008
@@ -128,6 +128,9 @@
 <a href="hdfs_quota_admin_guide.html">HDFS Quotas Administrator Guide</a>
 </div>
 <div class="menuitem">
+<a href="commands_manual.html">Commands Manual</a>
+</div>
+<div class="menuitem">
 <a href="hdfs_shell.html">FS Shell Guide</a>
 </div>
 <div class="menuitem">

Modified: hadoop/core/branches/branch-0.18/docs/hdfs_quota_admin_guide.html
URL: http://svn.apache.org/viewvc/hadoop/core/branches/branch-0.18/docs/hdfs_quota_admin_guide.html?rev=672070&r1=672069&r2=672070&view=diff
==============================================================================
--- hadoop/core/branches/branch-0.18/docs/hdfs_quota_admin_guide.html (original)
+++ hadoop/core/branches/branch-0.18/docs/hdfs_quota_admin_guide.html Thu Jun 26 18:33:44 2008
@@ -128,6 +128,9 @@
 <div class="menupagetitle">HDFS Quotas Administrator Guide</div>
 </div>
 <div class="menuitem">
+<a href="commands_manual.html">Commands Manual</a>
+</div>
+<div class="menuitem">
 <a href="hdfs_shell.html">FS Shell Guide</a>
 </div>
 <div class="menuitem">

Modified: hadoop/core/branches/branch-0.18/docs/hdfs_shell.html
URL: http://svn.apache.org/viewvc/hadoop/core/branches/branch-0.18/docs/hdfs_shell.html?rev=672070&r1=672069&r2=672070&view=diff
==============================================================================
--- hadoop/core/branches/branch-0.18/docs/hdfs_shell.html (original)
+++ hadoop/core/branches/branch-0.18/docs/hdfs_shell.html Thu Jun 26 18:33:44 2008
@@ -125,6 +125,9 @@
 <div class="menuitem">
 <a href="hdfs_quota_admin_guide.html">HDFS Quotas Administrator Guide</a>
 </div>
+<div class="menuitem">
+<a href="commands_manual.html">Commands Manual</a>
+</div>
 <div class="menupage">
 <div class="menupagetitle">FS Shell Guide</div>
 </div>

Modified: hadoop/core/branches/branch-0.18/docs/hdfs_user_guide.html
URL: http://svn.apache.org/viewvc/hadoop/core/branches/branch-0.18/docs/hdfs_user_guide.html?rev=672070&r1=672069&r2=672070&view=diff
==============================================================================
--- hadoop/core/branches/branch-0.18/docs/hdfs_user_guide.html (original)
+++ hadoop/core/branches/branch-0.18/docs/hdfs_user_guide.html Thu Jun 26 18:33:44 2008
@@ -128,6 +128,9 @@
 <a href="hdfs_quota_admin_guide.html">HDFS Quotas Administrator Guide</a>
 </div>
 <div class="menuitem">
+<a href="commands_manual.html">Commands Manual</a>
+</div>
+<div class="menuitem">
 <a href="hdfs_shell.html">FS Shell Guide</a>
 </div>
 <div class="menuitem">
@@ -453,8 +456,11 @@
    	</li>
    	
 </ul>
+<p>
+   	  For command usage, see <a href="commands_manual.html#dfsadmin">dfsadmin command</a>.
+   	</p>
 </div> 
-<a name="N100E6"></a><a name="Secondary+Namenode"></a>
+<a name="N100ED"></a><a name="Secondary+Namenode"></a>
 <h2 class="h3"> Secondary Namenode </h2>
 <div class="section">
 <p>
@@ -535,8 +541,11 @@
      The name-node verifies that the image in <span class="codefrag">fs.checkpoint.dir</span> is
      consistent, but does not modify it in any way.
    </p>
+<p>
+     For command usage, see <a href="commands_manual.html#secondarynamenode">secondarynamenode command</a>.
+   </p>
 </div> 
-<a name="N10147"></a><a name="Rebalancer"></a>
+<a name="N10155"></a><a name="Rebalancer"></a>
 <h2 class="h3"> Rebalancer </h2>
 <div class="section">
 <p>
@@ -580,8 +589,11 @@
       is attached to
       <a href="http://issues.apache.org/jira/browse/HADOOP-1652">HADOOP-1652</a>.
     </p>
+<p>
+     For command usage, see <a href="commands_manual.html#balancer">balancer command</a>.
+   </p>
 </div> 
-<a name="N1016E"></a><a name="Rack+Awareness"></a>
+<a name="N10183"></a><a name="Rack+Awareness"></a>
 <h2 class="h3"> Rack Awareness </h2>
 <div class="section">
 <p>
@@ -600,7 +612,7 @@
       <a href="http://issues.apache.org/jira/browse/HADOOP-692">HADOOP-692</a>.
     </p>
 </div> 
-<a name="N1018C"></a><a name="Safemode"></a>
+<a name="N101A1"></a><a name="Safemode"></a>
 <h2 class="h3"> Safemode </h2>
 <div class="section">
 <p>
@@ -620,7 +632,7 @@
       <a href="http://hadoop.apache.org/core/docs/current/api/org/apache/hadoop/dfs/NameNode.html#setSafeMode(org.apache.hadoop.dfs.FSConstants.SafeModeAction)"><span class="codefrag">setSafeMode()</span></a>.
     </p>
 </div> 
-<a name="N101AA"></a><a name="Fsck"></a>
+<a name="N101BF"></a><a name="Fsck"></a>
 <h2 class="h3"> Fsck </h2>
 <div class="section">
 <p>    
@@ -634,10 +646,11 @@
       fsck ignores open files but provides an option to select during reporting.
       HDFS' fsck is not a
       Hadoop shell command. It can be run as '<span class="codefrag">bin/hadoop fsck</span>'.
+      For command usage, see <a href="commands_manual.html#fsck">fsck command</a>. 
       Fsck can be run on the whole filesystem or on a subset of files.
      </p>
 </div> 
-<a name="N101BA"></a><a name="Upgrade+and+Rollback"></a>
+<a name="N101D3"></a><a name="Upgrade+and+Rollback"></a>
 <h2 class="h3"> Upgrade and Rollback </h2>
 <div class="section">
 <p>
@@ -696,7 +709,7 @@
       
 </ul>
 </div> 
-<a name="N101FB"></a><a name="File+Permissions+and+Security"></a>
+<a name="N10214"></a><a name="File+Permissions+and+Security"></a>
 <h2 class="h3"> File Permissions and Security </h2>
 <div class="section">
 <p>           
@@ -709,7 +722,7 @@
       <a href="hdfs_permissions_guide.html"><em>Permissions User and Administrator Guide</em></a>.
      </p>
 </div> 
-<a name="N1020D"></a><a name="Scalability"></a>
+<a name="N10226"></a><a name="Scalability"></a>
 <h2 class="h3"> Scalability </h2>
 <div class="section">
 <p>
@@ -727,7 +740,7 @@
       suggested configuration improvements for large Hadoop clusters.
      </p>
 </div> 
-<a name="N1021F"></a><a name="Related+Documentation"></a>
+<a name="N10238"></a><a name="Related+Documentation"></a>
 <h2 class="h3"> Related Documentation </h2>
 <div class="section">
 <p>
@@ -772,6 +785,12 @@
          description of most of the configuration variables available.
       </li>
       
+<li>
+        
+<a href="commands_manual.html">Commands Manual</a> 
+        : commands usage.
+      </li>
+      
 </ul>
 </div>
      

Modified: hadoop/core/branches/branch-0.18/docs/hdfs_user_guide.pdf
URL: http://svn.apache.org/viewvc/hadoop/core/branches/branch-0.18/docs/hdfs_user_guide.pdf?rev=672070&r1=672069&r2=672070&view=diff
==============================================================================
--- hadoop/core/branches/branch-0.18/docs/hdfs_user_guide.pdf (original)
+++ hadoop/core/branches/branch-0.18/docs/hdfs_user_guide.pdf Thu Jun 26 18:33:44 2008
@@ -1,5 +1,5 @@
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Modified: hadoop/core/branches/branch-0.18/docs/hod.html
URL: http://svn.apache.org/viewvc/hadoop/core/branches/branch-0.18/docs/hod.html?rev=672070&r1=672069&r2=672070&view=diff
==============================================================================
--- hadoop/core/branches/branch-0.18/docs/hod.html (original)
+++ hadoop/core/branches/branch-0.18/docs/hod.html Thu Jun 26 18:33:44 2008
@@ -128,6 +128,9 @@
 <a href="hdfs_quota_admin_guide.html">HDFS Quotas Administrator Guide</a>
 </div>
 <div class="menuitem">
+<a href="commands_manual.html">Commands Manual</a>
+</div>
+<div class="menuitem">
 <a href="hdfs_shell.html">FS Shell Guide</a>
 </div>
 <div class="menuitem">

Modified: hadoop/core/branches/branch-0.18/docs/hod_admin_guide.html
URL: http://svn.apache.org/viewvc/hadoop/core/branches/branch-0.18/docs/hod_admin_guide.html?rev=672070&r1=672069&r2=672070&view=diff
==============================================================================
--- hadoop/core/branches/branch-0.18/docs/hod_admin_guide.html (original)
+++ hadoop/core/branches/branch-0.18/docs/hod_admin_guide.html Thu Jun 26 18:33:44 2008
@@ -128,6 +128,9 @@
 <a href="hdfs_quota_admin_guide.html">HDFS Quotas Administrator Guide</a>
 </div>
 <div class="menuitem">
+<a href="commands_manual.html">Commands Manual</a>
+</div>
+<div class="menuitem">
 <a href="hdfs_shell.html">FS Shell Guide</a>
 </div>
 <div class="menuitem">

Modified: hadoop/core/branches/branch-0.18/docs/hod_config_guide.html
URL: http://svn.apache.org/viewvc/hadoop/core/branches/branch-0.18/docs/hod_config_guide.html?rev=672070&r1=672069&r2=672070&view=diff
==============================================================================
--- hadoop/core/branches/branch-0.18/docs/hod_config_guide.html (original)
+++ hadoop/core/branches/branch-0.18/docs/hod_config_guide.html Thu Jun 26 18:33:44 2008
@@ -128,6 +128,9 @@
 <a href="hdfs_quota_admin_guide.html">HDFS Quotas Administrator Guide</a>
 </div>
 <div class="menuitem">
+<a href="commands_manual.html">Commands Manual</a>
+</div>
+<div class="menuitem">
 <a href="hdfs_shell.html">FS Shell Guide</a>
 </div>
 <div class="menuitem">

Modified: hadoop/core/branches/branch-0.18/docs/hod_user_guide.html
URL: http://svn.apache.org/viewvc/hadoop/core/branches/branch-0.18/docs/hod_user_guide.html?rev=672070&r1=672069&r2=672070&view=diff
==============================================================================
--- hadoop/core/branches/branch-0.18/docs/hod_user_guide.html (original)
+++ hadoop/core/branches/branch-0.18/docs/hod_user_guide.html Thu Jun 26 18:33:44 2008
@@ -128,6 +128,9 @@
 <a href="hdfs_quota_admin_guide.html">HDFS Quotas Administrator Guide</a>
 </div>
 <div class="menuitem">
+<a href="commands_manual.html">Commands Manual</a>
+</div>
+<div class="menuitem">
 <a href="hdfs_shell.html">FS Shell Guide</a>
 </div>
 <div class="menuitem">

Modified: hadoop/core/branches/branch-0.18/docs/index.html
URL: http://svn.apache.org/viewvc/hadoop/core/branches/branch-0.18/docs/index.html?rev=672070&r1=672069&r2=672070&view=diff
==============================================================================
--- hadoop/core/branches/branch-0.18/docs/index.html (original)
+++ hadoop/core/branches/branch-0.18/docs/index.html Thu Jun 26 18:33:44 2008
@@ -126,6 +126,9 @@
 <a href="hdfs_quota_admin_guide.html">HDFS Quotas Administrator Guide</a>
 </div>
 <div class="menuitem">
+<a href="commands_manual.html">Commands Manual</a>
+</div>
+<div class="menuitem">
 <a href="hdfs_shell.html">FS Shell Guide</a>
 </div>
 <div class="menuitem">

Modified: hadoop/core/branches/branch-0.18/docs/linkmap.html
URL: http://svn.apache.org/viewvc/hadoop/core/branches/branch-0.18/docs/linkmap.html?rev=672070&r1=672069&r2=672070&view=diff
==============================================================================
--- hadoop/core/branches/branch-0.18/docs/linkmap.html (original)
+++ hadoop/core/branches/branch-0.18/docs/linkmap.html Thu Jun 26 18:33:44 2008
@@ -126,6 +126,9 @@
 <a href="hdfs_quota_admin_guide.html">HDFS Quotas Administrator Guide</a>
 </div>
 <div class="menuitem">
+<a href="commands_manual.html">Commands Manual</a>
+</div>
+<div class="menuitem">
 <a href="hdfs_shell.html">FS Shell Guide</a>
 </div>
 <div class="menuitem">
@@ -245,6 +248,12 @@
     
 <ul>
 <li>
+<a href="commands_manual.html">Commands Manual</a>&nbsp;&nbsp;___________________&nbsp;&nbsp;<em>commands</em>
+</li>
+</ul>
+    
+<ul>
+<li>
 <a href="hdfs_shell.html">FS Shell Guide</a>&nbsp;&nbsp;___________________&nbsp;&nbsp;<em>fs</em>
 </li>
 </ul>

Modified: hadoop/core/branches/branch-0.18/docs/linkmap.pdf
URL: http://svn.apache.org/viewvc/hadoop/core/branches/branch-0.18/docs/linkmap.pdf?rev=672070&r1=672069&r2=672070&view=diff
==============================================================================
--- hadoop/core/branches/branch-0.18/docs/linkmap.pdf (original)
+++ hadoop/core/branches/branch-0.18/docs/linkmap.pdf Thu Jun 26 18:33:44 2008
@@ -5,10 +5,10 @@
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 trailer
 <<
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 >>
 startxref
-2190
+2751
 %%EOF

Modified: hadoop/core/branches/branch-0.18/docs/mapred_tutorial.html
URL: http://svn.apache.org/viewvc/hadoop/core/branches/branch-0.18/docs/mapred_tutorial.html?rev=672070&r1=672069&r2=672070&view=diff
==============================================================================
--- hadoop/core/branches/branch-0.18/docs/mapred_tutorial.html (original)
+++ hadoop/core/branches/branch-0.18/docs/mapred_tutorial.html Thu Jun 26 18:33:44 2008
@@ -126,6 +126,9 @@
 <a href="hdfs_quota_admin_guide.html">HDFS Quotas Administrator Guide</a>
 </div>
 <div class="menuitem">
+<a href="commands_manual.html">Commands Manual</a>
+</div>
+<div class="menuitem">
 <a href="hdfs_shell.html">FS Shell Guide</a>
 </div>
 <div class="menuitem">

Modified: hadoop/core/branches/branch-0.18/docs/native_libraries.html
URL: http://svn.apache.org/viewvc/hadoop/core/branches/branch-0.18/docs/native_libraries.html?rev=672070&r1=672069&r2=672070&view=diff
==============================================================================
--- hadoop/core/branches/branch-0.18/docs/native_libraries.html (original)
+++ hadoop/core/branches/branch-0.18/docs/native_libraries.html Thu Jun 26 18:33:44 2008
@@ -126,6 +126,9 @@
 <a href="hdfs_quota_admin_guide.html">HDFS Quotas Administrator Guide</a>
 </div>
 <div class="menuitem">
+<a href="commands_manual.html">Commands Manual</a>
+</div>
+<div class="menuitem">
 <a href="hdfs_shell.html">FS Shell Guide</a>
 </div>
 <div class="menuitem">

Modified: hadoop/core/branches/branch-0.18/docs/quickstart.html
URL: http://svn.apache.org/viewvc/hadoop/core/branches/branch-0.18/docs/quickstart.html?rev=672070&r1=672069&r2=672070&view=diff
==============================================================================
--- hadoop/core/branches/branch-0.18/docs/quickstart.html (original)
+++ hadoop/core/branches/branch-0.18/docs/quickstart.html Thu Jun 26 18:33:44 2008
@@ -126,6 +126,9 @@
 <a href="hdfs_quota_admin_guide.html">HDFS Quotas Administrator Guide</a>
 </div>
 <div class="menuitem">
+<a href="commands_manual.html">Commands Manual</a>
+</div>
+<div class="menuitem">
 <a href="hdfs_shell.html">FS Shell Guide</a>
 </div>
 <div class="menuitem">

Modified: hadoop/core/branches/branch-0.18/docs/streaming.html
URL: http://svn.apache.org/viewvc/hadoop/core/branches/branch-0.18/docs/streaming.html?rev=672070&r1=672069&r2=672070&view=diff
==============================================================================
--- hadoop/core/branches/branch-0.18/docs/streaming.html (original)
+++ hadoop/core/branches/branch-0.18/docs/streaming.html Thu Jun 26 18:33:44 2008
@@ -129,6 +129,9 @@
 <a href="hdfs_quota_admin_guide.html">HDFS Quotas Administrator Guide</a>
 </div>
 <div class="menuitem">
+<a href="commands_manual.html">Commands Manual</a>
+</div>
+<div class="menuitem">
 <a href="hdfs_shell.html">FS Shell Guide</a>
 </div>
 <div class="menuitem">

Added: hadoop/core/branches/branch-0.18/src/docs/src/documentation/content/xdocs/commands_manual.xml
URL: http://svn.apache.org/viewvc/hadoop/core/branches/branch-0.18/src/docs/src/documentation/content/xdocs/commands_manual.xml?rev=672070&view=auto
==============================================================================
--- hadoop/core/branches/branch-0.18/src/docs/src/documentation/content/xdocs/commands_manual.xml (added)
+++ hadoop/core/branches/branch-0.18/src/docs/src/documentation/content/xdocs/commands_manual.xml Thu Jun 26 18:33:44 2008
@@ -0,0 +1,611 @@
+<?xml version="1.0"?>
+<!--
+  Copyright 2002-2004 The Apache Software Foundation
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
+<!DOCTYPE document PUBLIC "-//APACHE//DTD Documentation V2.0//EN" "http://forrest.apache.org/dtd/document-v20.dtd">
+<document>
+	<header>
+		<title>Commands Manual</title>
+	</header>
+	
+	<body>
+		<section>
+			<title>Overview</title>
+			<p>
+				All the hadoop commands are invoked by the bin/hadoop script. Running hadoop
+				script without any arguments prints the description for all commands.
+			</p>
+			<p>
+				<code>Usage: hadoop [--config confdir] [COMMAND] [GENERIC_OPTIONS] [COMMAND_OPTIONS]</code>
+			</p>
+			<p>
+				Hadoop has an option parsing framework that employs parsing generic options as well as running classes.
+			</p>
+			<table>
+			          <tr><th> COMMAND_OPTION </th><th> Description </th></tr>
+			
+			           <tr>
+			          	<td><code>--config confdir</code></td>
+			            <td>Overwrites the default Configuration directory. Default is ${HADOOP_HOME}/conf.</td>
+			           </tr>
+			           <tr>
+			          	<td><code>GENERIC_OPTIONS</code></td>
+			            <td>The common set of options supported by multiple commands.</td>
+			           </tr>
+			           <tr>
+			          	<td><code>COMMAND</code><br/><code>COMMAND_OPTIONS</code></td>
+			            <td>Various commands with their options are described in the following sections. The commands 
+			            have been grouped into <a href="commands_manual.html#User+Commands">User Commands</a> 
+			            and <a href="commands_manual.html#Administration+Commands">Administration Commands</a>.</td>
+			           </tr>
+			     </table>
+			 <section>
+				<title>Generic Options</title>
+				<p>
+				  Following are supported by <a href="commands_manual.html#dfsadmin">dfsadmin</a>, 
+				  <a href="commands_manual.html#fs">fs</a>, <a href="commands_manual.html#fsck">fsck</a> and 
+				  <a href="commands_manual.html#job">job</a>.
+				</p>
+			     <table>
+			          <tr><th> GENERIC_OPTION </th><th> Description </th></tr>
+			
+			           <tr>
+			          	<td><code>-conf &lt;configuration file&gt;</code></td>
+			            <td>Specify an application configuration file.</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-D &lt;property=value&gt;</code></td>
+			            <td>Use value for given property.</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-fs &lt;local|namenode:port&gt;</code></td>
+			            <td>Specify a namenode.</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-jt &lt;local|jobtracker:port&gt;</code></td>
+			            <td>Specify a job tracker. Applies only to <a href="commands_manual.html#job">job</a>.</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-files &lt;comma separated list of files&gt;</code></td>
+			            <td>Specify comma separated files to be copied to the map reduce cluster. 
+			            Applies only to <a href="commands_manual.html#job">job</a>.</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-libjars &lt;comma seperated list of jars&gt;</code></td>
+			            <td>Specify comma separated jar files to include in the classpath. 
+			            Applies only to <a href="commands_manual.html#job">job</a>.</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-archives &lt;comma separated list of archives&gt;</code></td>
+			            <td>Specify comma separated archives to be unarchived on the compute machines. 
+			            Applies only to <a href="commands_manual.html#job">job</a>.</td>
+			           </tr>
+				</table>
+			</section>	   
+		</section>
+		
+		<section>
+			<title> User Commands </title>
+			<p>Commands useful for users of a hadoop cluster.</p>
+			<section>
+				<title> archive </title>
+				<p>
+					Creates a hadoop archive. More information can be found at <a href="hadoop_archives.html">Hadoop Archives</a>.
+				</p>
+				<p>
+					<code>Usage: hadoop archive -archiveName NAME &lt;src&gt;* &lt;dest&gt;</code>
+				</p>
+				<table>
+			          <tr><th> COMMAND_OPTION </th><th> Description </th></tr>
+					   <tr>
+			          	<td><code>-archiveName NAME</code></td>
+			            <td>Name of the archive to be created.</td>
+			           </tr>
+			           <tr>
+			          	<td><code>src</code></td>
+			            <td>Filesystem pathnames which work as usual with regular expressions.</td>
+			           </tr>
+			           <tr>
+			          	<td><code>dest</code></td>
+			            <td>Destination directory which would contain the archive.</td>
+			           </tr>
+			     </table>
+			</section>
+			
+			<section>
+				<title> distcp </title>
+				<p>
+					Copy file or directories recursively. More information can be found at <a href="distcp.html">DistCp Guide</a>.
+				</p>
+				<p>
+					<code>Usage: hadoop distcp &lt;srcurl&gt; &lt;desturl&gt;</code>
+				</p>
+				<table>
+			          <tr><th> COMMAND_OPTION </th><th> Description </th></tr>
+			
+			           <tr>
+			          	<td><code>srcurl</code></td>
+			            <td>Source Url</td>
+			           </tr>
+			           <tr>
+			          	<td><code>desturl</code></td>
+			            <td>Destination Url</td>
+			           </tr>
+			     </table>
+			</section>
+			       
+			<section>
+				<title> fs </title>
+				<p>
+					<code>Usage: hadoop fs [</code><a href="commands_manual.html#Generic+Options">GENERIC_OPTIONS</a><code>] 
+					[COMMAND_OPTIONS]</code>
+				</p>
+				<p>
+					Runs a generic filesystem user client.
+				</p>
+				<p>
+					The various COMMAND_OPTIONS can be found at <a href="hdfs_shell.html">HDFS Shell Guide</a>.
+				</p>   
+			</section>
+			
+			<section>
+				<title> fsck </title>
+				<p>
+					Runs a HDFS filesystem checking utility. See <a href="hdfs_user_guide.html#Fsck">Fsck</a> for more info.
+				</p> 
+				<p><code>Usage: hadoop fsck [</code><a href="commands_manual.html#Generic+Options">GENERIC_OPTIONS</a><code>] 
+				&lt;path&gt; [-move | -delete | -openforwrite] [-files [-blocks 
+				[-locations | -racks]]]</code></p>
+				<table>
+			          <tr><th> COMMAND_OPTION </th><th> Description </th></tr>
+			          <tr>
+			            <td><code>&lt;path&gt;</code></td>
+			            <td>Start checking from this path.</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-move</code></td>
+			            <td>Move corrupted files to /lost+found</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-delete</code></td>
+			            <td>Delete corrupted files.</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-openforwrite</code></td>
+			            <td>Print out files opened for write.</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-files</code></td>
+			            <td>Print out files being checked.</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-blocks</code></td>
+			            <td>Print out block report.</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-locations</code></td>
+			            <td>Print out locations for every block.</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-racks</code></td>
+			            <td>Print out network topology for data-node locations.</td>
+			           </tr>
+					</table>
+			</section>
+			
+			<section>
+				<title> jar </title>
+				<p>
+					Runs a jar file. Users can bundle their Map Reduce code in a jar file and execute it using this command.
+				</p> 
+				<p>
+					<code>Usage: hadoop jar &lt;jar&gt; [mainClass] args...</code>
+				</p>
+				<p>
+					The streaming jobs are run via this command. Examples can be referred from 
+					<a href="streaming.html#More+usage+examples">Streaming examples</a>
+				</p>
+				<p>
+					Word count example is also run using jar command. It can be referred from
+					<a href="mapred_tutorial.html#Usage">Wordcount example</a>
+				</p>
+			</section>
+			
+			<section>
+				<title> job </title>
+				<p>
+					Command to interact with Map Reduce Jobs.
+				</p>
+				<p>
+					<code>Usage: hadoop job [</code><a href="commands_manual.html#Generic+Options">GENERIC_OPTIONS</a><code>] 
+					[-submit &lt;job-file&gt;] | [-status &lt;job-id&gt;] | 
+					[-counter &lt;job-id&gt; &lt;group-name&gt; &lt;counter-name&gt;] | [-kill &lt;job-id&gt;] | 
+					[-events &lt;job-id&gt; &lt;from-event-#&gt; &lt;#-of-events&gt;] | [-history [all] &lt;jobOutputDir&gt;] |
+					[-list [all]] | [-kill-task &lt;task-id&gt;] | [-fail-task &lt;task-id&gt;]</code>
+				</p>
+				<table>
+			          <tr><th> COMMAND_OPTION </th><th> Description </th></tr>
+			
+			           <tr>
+			          	<td><code>-submit &lt;job-file&gt;</code></td>
+			            <td>Submits the job.</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-status &lt;job-id&gt;</code></td>
+			            <td>Prints the map and reduce completion percentage and all job counters.</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-counter &lt;job-id&gt; &lt;group-name&gt; &lt;counter-name&gt;</code></td>
+			            <td>Prints the counter value.</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-kill &lt;job-id&gt;</code></td>
+			            <td>Kills the job.</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-events &lt;job-id&gt; &lt;from-event-#&gt; &lt;#-of-events&gt;</code></td>
+			            <td>Prints the events' details received by jobtracker for the given range.</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-history [all] &lt;jobOutputDir&gt;</code></td>
+			            <td>-history &lt;jobOutputDir&gt; prints job details, failed and killed tip details. More details 
+			            about the job such as successful tasks and task attempts made for each task can be viewed by 
+			            specifying the [all] option. </td>
+			           </tr>
+			           <tr>
+			          	<td><code>-list [all]</code></td>
+			            <td>-list all displays all jobs. -list displays only jobs which are yet to complete.</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-kill-task &lt;task-id&gt;</code></td>
+			            <td>Kills the task. Killed tasks are NOT counted against failed attempts.</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-fail-task &lt;task-id&gt;</code></td>
+			            <td>Fails the task. Failed tasks are counted against failed attempts.</td>
+			           </tr>
+					</table>
+			</section>
+			
+			<section>
+				<title> pipes </title>
+				<p>
+					Runs a pipes job.
+				</p>
+				<p>
+					<code>Usage: hadoop pipes [-conf &lt;path&gt;] [-jobconf &lt;key=value&gt;, &lt;key=value&gt;, ...] 
+					[-input &lt;path&gt;] [-output &lt;path&gt;] [-jar &lt;jar file&gt;] [-inputformat &lt;class&gt;] 
+					[-map &lt;class&gt;] [-partitioner &lt;class&gt;] [-reduce &lt;class&gt;] [-writer &lt;class&gt;] 
+					[-program &lt;executable&gt;] [-reduces &lt;num&gt;] </code>
+				</p>
+				<table>
+			          <tr><th> COMMAND_OPTION </th><th> Description </th></tr>
+			
+			          <tr>
+			          	<td><code>-conf &lt;path&gt;</code></td>
+			            <td>Configuration for job</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-jobconf &lt;key=value&gt;, &lt;key=value&gt;, ...</code></td>
+			            <td>Add/override configuration for job</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-input &lt;path&gt;</code></td>
+			            <td>Input directory</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-output &lt;path&gt;</code></td>
+			            <td>Output directory</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-jar &lt;jar file&gt;</code></td>
+			            <td>Jar filename</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-inputformat &lt;class&gt;</code></td>
+			            <td>InputFormat class</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-map &lt;class&gt;</code></td>
+			            <td>Java Map class</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-partitioner &lt;class&gt;</code></td>
+			            <td>Java Partitioner</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-reduce &lt;class&gt;</code></td>
+			            <td>Java Reduce class</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-writer &lt;class&gt;</code></td>
+			            <td>Java RecordWriter</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-program &lt;executable&gt;</code></td>
+			            <td>Executable URI</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-reduces &lt;num&gt;</code></td>
+			            <td>Number of reduces</td>
+			           </tr>
+					</table>
+			</section>
+			
+			<section>
+				<title> version </title>
+				<p>
+					Prints the version.
+				</p> 
+				<p>
+					<code>Usage: hadoop version</code>
+				</p>
+			</section>
+			
+			<section>
+				<title> CLASSNAME </title>
+				<p>
+					 hadoop script can be used to invoke any class.
+				</p>
+				<p>
+					<code>Usage: hadoop CLASSNAME</code>
+				</p>
+				<p>
+					 Runs the class named CLASSNAME.
+				</p>
+			</section>
+			
+		</section>
+		
+		<section>
+			<title> Administration Commands </title>
+			<p>Commands useful for administrators of a hadoop cluster.</p>
+			<section>
+				<title> balancer </title>
+				<p>
+					Runs a cluster balancing utility. An administrator can simply press Ctrl-C to stop the 
+					rebalancing process. See <a href="hdfs_user_guide.html#Rebalancer">Rebalancer</a> for more details.
+				</p>
+				<p>
+					<code>Usage: hadoop balancer [-threshold &lt;threshold&gt;]</code>
+				</p>
+				<table>
+			          <tr><th> COMMAND_OPTION </th><th> Description </th></tr>
+			
+			           <tr>
+			          	<td><code>-threshold &lt;threshold&gt;</code></td>
+			            <td>Percentage of disk capacity. This overwrites the default threshold.</td>
+			           </tr>
+			     </table>
+			</section>
+			
+			<section>
+				<title> daemonlog </title>
+				<p>
+					 Get/Set the log level for each daemon.
+				</p> 
+				<p>
+					<code>Usage: hadoop daemonlog  -getlevel &lt;host:port&gt; &lt;name&gt;</code><br/>
+					<code>Usage: hadoop daemonlog  -setlevel &lt;host:port&gt; &lt;name&gt; &lt;level&gt;</code>
+				</p>
+				<table>
+			          <tr><th> COMMAND_OPTION </th><th> Description </th></tr>
+			
+			           <tr>
+			          	<td><code>-getlevel &lt;host:port&gt; &lt;name&gt;</code></td>
+			            <td>Prints the log level of the daemon running at &lt;host:port&gt;. 
+			            This command internally connects to http://&lt;host:port&gt;/logLevel?log=&lt;name&gt;</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-setlevel &lt;host:port&gt; &lt;name&gt; &lt;level&gt;</code></td>
+			            <td>Sets the log level of the daemon running at &lt;host:port&gt;. 
+			            This command internally connects to http://&lt;host:port&gt;/logLevel?log=&lt;name&gt;</td>
+			           </tr>
+			     </table>
+			</section>
+			
+			<section>
+				<title> datanode</title>
+				<p>
+					Runs a HDFS datanode.
+				</p> 
+				<p>
+					<code>Usage: hadoop datanode [-rollback]</code>
+				</p>
+				<table>
+			          <tr><th> COMMAND_OPTION </th><th> Description </th></tr>
+			
+			           <tr>
+			          	<td><code>-rollback</code></td>
+			            <td>Rollsback the datanode to the previous version. This should be used after stopping the datanode 
+			            and distributing the old hadoop version.</td>
+			           </tr>
+			     </table>
+			</section>
+			
+			<section>
+				<title> dfsadmin </title>
+				<p>
+					Runs a HDFS dfsadmin client.
+				</p> 
+				<p>
+					<code>Usage: hadoop dfsadmin  [</code><a href="commands_manual.html#Generic+Options">GENERIC_OPTIONS</a><code>] [-report] [-safemode enter | leave | get | wait] [-refreshNodes]
+					 [-finalizeUpgrade] [-upgradeProgress status | details | force] [-metasave filename] 
+					 [-setQuota &lt;quota&gt; &lt;dirname&gt;...&lt;dirname&gt;] [-clrQuota &lt;dirname&gt;...&lt;dirname&gt;] 
+					 [-help [cmd]]</code>
+				</p>
+				<table>
+			          <tr><th> COMMAND_OPTION </th><th> Description </th></tr>
+			
+			           <tr>
+			          	<td><code>-report</code></td>
+			            <td>Reports basic filesystem information and statistics.</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-safemode enter | leave | get | wait</code></td>
+			            <td>Safe mode maintenance command.
+                Safe mode is a Namenode state in which it <br/>
+                        1.  does not accept changes to the name space (read-only) <br/> 
+                        2.  does not replicate or delete blocks. <br/>
+                Safe mode is entered automatically at Namenode startup, and
+                leaves safe mode automatically when the configured minimum
+                percentage of blocks satisfies the minimum replication
+                condition.  Safe mode can also be entered manually, but then
+                it can only be turned off manually as well.</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-refreshNodes</code></td>
+			            <td>Re-read the hosts and exclude files to update the set
+                of Datanodes that are allowed to connect to the Namenode
+                and those that should be decommissioned or recommissioned.</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-finalizeUpgrade</code></td>
+			            <td>Finalize upgrade of HDFS.
+                Datanodes delete their previous version working directories,
+                followed by Namenode doing the same.
+                This completes the upgrade process.</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-upgradeProgress status | details | force</code></td>
+			            <td>Request current distributed upgrade status,
+                a detailed status or force the upgrade to proceed.</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-metasave filename</code></td>
+			            <td>Save Namenode's primary data structures
+                to &lt;filename&gt; in the directory specified by hadoop.log.dir property.
+                &lt;filename&gt; will contain one line for each of the following <br/>
+                        1. Datanodes heart beating with Namenode<br/>
+                        2. Blocks waiting to be replicated<br/>
+                        3. Blocks currrently being replicated<br/>
+                        4. Blocks waiting to be deleted</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-setQuota &lt;quota&gt; &lt;dirname&gt;...&lt;dirname&gt;</code></td>
+			            <td>Set the quota &lt;quota&gt; for each directory &lt;dirname&gt;.
+                The directory quota is a long integer that puts a hard limit on the number of names in the directory tree.<br/>
+                Best effort for the directory, with faults reported if<br/>
+                1. N is not a positive integer, or<br/>
+                2. user is not an administrator, or<br/>
+                3. the directory does not exist or is a file, or<br/>
+                4. the directory would immediately exceed the new quota.</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-clrQuota &lt;dirname&gt;...&lt;dirname&gt;</code></td>
+			            <td>Clear the quota for each directory &lt;dirname&gt;.<br/>
+                Best effort for the directory. with fault reported if<br/>
+                1. the directory does not exist or is a file, or<br/>
+                2. user is not an administrator.<br/>
+                It does not fault if the directory has no quota.</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-help [cmd]</code></td>
+			            <td> Displays help for the given command or all commands if none
+                is specified.</td>
+			           </tr>
+			     </table>
+			</section>
+			
+			<section>
+				<title> jobtracker </title>
+				<p>
+					Runs the MapReduce job Tracker node.
+				</p> 
+				<p>
+					<code>Usage: hadoop jobtracker</code>
+				</p>
+			</section>
+			
+			<section>
+				<title> namenode </title>
+				<p>
+					Runs the namenode. More info about the upgrade, rollback and finalize is at 
+					<a href="hdfs_user_guide.html#Upgrade+and+Rollback">Upgrade Rollback</a>
+				</p>
+				<p>
+					<code>Usage: hadoop namenode [-format] | [-upgrade] | [-rollback] | [-finalize] | [-importCheckpoint]</code>
+				</p>
+				<table>
+			          <tr><th> COMMAND_OPTION </th><th> Description </th></tr>
+			
+			           <tr>
+			          	<td><code>-format</code></td>
+			            <td>Formats the namenode. It starts the namenode, formats it and then shut it down.</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-upgrade</code></td>
+			            <td>Namenode should be started with upgrade option after the distribution of new hadoop version.</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-rollback</code></td>
+			            <td>Rollsback the namenode to the previous version. This should be used after stopping the cluster 
+			            and distributing the old hadoop version.</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-finalize</code></td>
+			            <td>Finalize will remove the previous state of the files system. Recent upgrade will become permanent. 
+			            Rollback option will not be available anymore. After finalization it shuts the namenode down.</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-importCheckpoint</code></td>
+			            <td>Loads image from a checkpoint directory and save it into the current one. Checkpoint dir 
+			            is read from property fs.checkpoint.dir</td>
+			           </tr>
+			     </table>
+			</section>
+			
+			<section>
+				<title> secondarynamenode </title>
+				<p>
+					Runs the HDFS secondary namenode. See <a href="hdfs_user_guide.html#Secondary+Namenode">Secondary Namenode</a> 
+					for more info.
+				</p>
+				<p>
+					<code>Usage: hadoop secondarynamenode [-checkpoint [force]] | [-geteditsize]</code>
+				</p>
+				<table>
+			          <tr><th> COMMAND_OPTION </th><th> Description </th></tr>
+			
+			           <tr>
+			          	<td><code>-checkpoint [force]</code></td>
+			            <td>Checkpoints the Secondary namenode if EditLog size >= fs.checkpoint.size. 
+			            If -force is used, checkpoint irrespective of EditLog size.</td>
+			           </tr>
+			           <tr>
+			          	<td><code>-geteditsize</code></td>
+			            <td>Prints the EditLog size.</td>
+			           </tr>
+			     </table>
+			</section>
+			
+			<section>
+				<title> tasktracker </title>
+				<p>
+					Runs a MapReduce task Tracker node.
+				</p> 
+				<p>
+					<code>Usage: hadoop tasktracker</code>
+				</p>
+			</section>
+			
+		</section>
+		
+		
+		      
+
+	</body>
+</document>      
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URL: http://svn.apache.org/viewvc/hadoop/core/branches/branch-0.18/src/docs/src/documentation/content/xdocs/hdfs_user_guide.xml?rev=672070&r1=672069&r2=672070&view=diff
==============================================================================
--- hadoop/core/branches/branch-0.18/src/docs/src/documentation/content/xdocs/hdfs_user_guide.xml (original)
+++ hadoop/core/branches/branch-0.18/src/docs/src/documentation/content/xdocs/hdfs_user_guide.xml Thu Jun 26 18:33:44 2008
@@ -192,6 +192,9 @@
    		: removes previous backup of the cluster made during last upgrade.
    	</li>
    	</ul>
+   	<p>
+   	  For command usage, see <a href="commands_manual.html#dfsadmin">dfsadmin command</a>.
+   	</p>  
    </section>
    
    </section> <section> <title> Secondary Namenode </title>
@@ -264,6 +267,9 @@
      The name-node verifies that the image in <code>fs.checkpoint.dir</code> is
      consistent, but does not modify it in any way.
    </p>
+   <p>
+     For command usage, see <a href="commands_manual.html#secondarynamenode">secondarynamenode command</a>.
+   </p>
    
    </section> <section> <title> Rebalancer </title>
     <p>
@@ -302,6 +308,9 @@
       is attached to
       <a href="http://issues.apache.org/jira/browse/HADOOP-1652">HADOOP-1652</a>.
     </p>
+    <p>
+     For command usage, see <a href="commands_manual.html#balancer">balancer command</a>.
+   </p>
     
    </section> <section> <title> Rack Awareness </title>
     <p>
@@ -350,6 +359,7 @@
       fsck ignores open files but provides an option to select during reporting.
       HDFS' fsck is not a
       Hadoop shell command. It can be run as '<code>bin/hadoop fsck</code>'.
+      For command usage, see <a href="commands_manual.html#fsck">fsck command</a>. 
       Fsck can be run on the whole filesystem or on a subset of files.
      </p>
      
@@ -460,6 +470,10 @@
          It includes brief 
          description of most of the configuration variables available.
       </li>
+      <li>
+        <a href="commands_manual.html">Commands Manual</a> 
+        : commands usage.
+      </li>
       </ul>
      </section>
      

Modified: hadoop/core/branches/branch-0.18/src/docs/src/documentation/content/xdocs/site.xml
URL: http://svn.apache.org/viewvc/hadoop/core/branches/branch-0.18/src/docs/src/documentation/content/xdocs/site.xml?rev=672070&r1=672069&r2=672070&view=diff
==============================================================================
--- hadoop/core/branches/branch-0.18/src/docs/src/documentation/content/xdocs/site.xml (original)
+++ hadoop/core/branches/branch-0.18/src/docs/src/documentation/content/xdocs/site.xml Thu Jun 26 18:33:44 2008
@@ -39,6 +39,7 @@
     <hdfs      label="HDFS User Guide"    href="hdfs_user_guide.html" />
     <hdfs      label="HDFS Permissions Guide"    href="hdfs_permissions_guide.html" />
     <hdfs      label="HDFS Quotas Administrator Guide" href="hdfs_quota_admin_guide.html" />
+    <commands  label="Commands Manual"     href="commands_manual.html" />
     <fs        label="FS Shell Guide"     href="hdfs_shell.html" />
     <distcp    label="DistCp Guide"       href="distcp.html" />
     <mapred    label="Map-Reduce Tutorial" href="mapred_tutorial.html" />



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