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Posted to common-commits@hadoop.apache.org by cd...@apache.org on 2008/10/20 20:59:32 UTC
svn commit: r706367 [5/12] - in /hadoop/core/trunk: ./ docs/
src/docs/src/documentation/content/xdocs/
Modified: hadoop/core/trunk/docs/hdfs_user_guide.html
URL: http://svn.apache.org/viewvc/hadoop/core/trunk/docs/hdfs_user_guide.html?rev=706367&r1=706366&r2=706367&view=diff
==============================================================================
--- hadoop/core/trunk/docs/hdfs_user_guide.html (original)
+++ hadoop/core/trunk/docs/hdfs_user_guide.html Mon Oct 20 11:59:31 2008
@@ -110,49 +110,55 @@
<a href="index.html">Overview</a>
</div>
<div class="menuitem">
-<a href="quickstart.html">Quickstart</a>
+<a href="quickstart.html">Hadoop Quick Start</a>
</div>
<div class="menuitem">
-<a href="cluster_setup.html">Cluster Setup</a>
+<a href="cluster_setup.html">Hadoop Cluster Setup</a>
</div>
<div class="menuitem">
-<a href="hdfs_design.html">HDFS Architecture</a>
+<a href="mapred_tutorial.html">Hadoop Map/Reduce Tutorial</a>
</div>
-<div class="menupage">
-<div class="menupagetitle">HDFS User Guide</div>
+<div class="menuitem">
+<a href="commands_manual.html">Hadoop Command Guide</a>
+</div>
+<div class="menuitem">
+<a href="hdfs_shell.html">Hadoop FS Shell Guide</a>
</div>
<div class="menuitem">
-<a href="hdfs_permissions_guide.html">HDFS Permissions Guide</a>
+<a href="distcp.html">Hadoop DistCp Guide</a>
</div>
<div class="menuitem">
-<a href="hdfs_quota_admin_guide.html">HDFS Quotas Administrator Guide</a>
+<a href="native_libraries.html">Hadoop Native Libraries</a>
</div>
<div class="menuitem">
-<a href="commands_manual.html">Commands Manual</a>
+<a href="streaming.html">Hadoop Streaming</a>
</div>
<div class="menuitem">
-<a href="hdfs_shell.html">FS Shell Guide</a>
+<a href="hadoop_archives.html">Hadoop Archives</a>
+</div>
+<div class="menupage">
+<div class="menupagetitle">HDFS User Guide</div>
</div>
<div class="menuitem">
-<a href="SLG_user_guide.html">Synthetic Load Generator User Guide</a>
+<a href="hdfs_design.html">HDFS Architecture</a>
</div>
<div class="menuitem">
-<a href="distcp.html">DistCp Guide</a>
+<a href="hdfs_permissions_guide.html">HDFS Admin Guide: Permissions</a>
</div>
<div class="menuitem">
-<a href="mapred_tutorial.html">Map-Reduce Tutorial</a>
+<a href="hdfs_quota_admin_guide.html">HDFS Admin Guide: Quotas</a>
</div>
<div class="menuitem">
-<a href="native_libraries.html">Native Hadoop Libraries</a>
+<a href="SLG_user_guide.html">HDFS Utilities</a>
</div>
<div class="menuitem">
-<a href="streaming.html">Streaming</a>
+<a href="hod_user_guide.html">HOD User Guide</a>
</div>
<div class="menuitem">
-<a href="hadoop_archives.html">Hadoop Archives</a>
+<a href="hod_admin_guide.html">HOD Admin Guide</a>
</div>
<div class="menuitem">
-<a href="hod.html">Hadoop On Demand</a>
+<a href="hod_config_guide.html">HOD Config Guide</a>
</div>
<div class="menuitem">
<a href="capacity_scheduler.html">Capacity Scheduler</a>
@@ -170,13 +176,10 @@
<a href="http://wiki.apache.org/hadoop/FAQ">FAQ</a>
</div>
<div class="menuitem">
-<a href="http://hadoop.apache.org/core/mailing_lists.html">Mailing Lists</a>
-</div>
-<div class="menuitem">
<a href="releasenotes.html">Release Notes</a>
</div>
<div class="menuitem">
-<a href="changes.html">All Changes</a>
+<a href="changes.html">Change Log</a>
</div>
</div>
<div id="credit"></div>
@@ -275,11 +278,9 @@
HDFS is the primary distributed storage used by Hadoop applications. A
HDFS cluster primarily consists of a NameNode that manages the
file system metadata and DataNodes that store the actual data. The
- architecture of HDFS is described in detail
- <a href="hdfs_design.html">here</a>. This user guide primarily deals with
- interaction of users and administrators with HDFS clusters.
- The <a href="images/hdfsarchitecture.gif">diagram</a> from
- <a href="hdfs_design.html">HDFS architecture</a> depicts
+ <a href="hdfs_design.html">HDFS Architecture</a> describes HDFS in detail. This user guide primarily deals with
+ the interaction of users and administrators with HDFS clusters.
+ The <a href="images/hdfsarchitecture.gif">HDFS architecture diagram</a> depicts
basic interactions among NameNode, the DataNodes, and the clients.
Clients contact NameNode for file metadata or file modifications and perform
actual file I/O directly with the DataNodes.
@@ -294,7 +295,7 @@
Hadoop, including HDFS, is well suited for distributed storage
and distributed processing using commodity hardware. It is fault
tolerant, scalable, and extremely simple to expand.
- <a href="mapred_tutorial.html">Map-Reduce</a>,
+ <a href="mapred_tutorial.html">Map/Reduce</a>,
well known for its simplicity and applicability for large set of
distributed applications, is an integral part of Hadoop.
</li>
@@ -367,7 +368,7 @@
</ul>
</div>
-<a name="N1006B"></a><a name="Pre-requisites"></a>
+<a name="N10067"></a><a name="Pre-requisites"></a>
<h2 class="h3"> Pre-requisites </h2>
<div class="section">
<p>
@@ -396,7 +397,7 @@
machine.
</p>
</div>
-<a name="N10089"></a><a name="Web+Interface"></a>
+<a name="N10085"></a><a name="Web+Interface"></a>
<h2 class="h3"> Web Interface </h2>
<div class="section">
<p>
@@ -410,7 +411,7 @@
page).
</p>
</div>
-<a name="N10096"></a><a name="Shell+Commands"></a>
+<a name="N10092"></a><a name="Shell+Commands"></a>
<h2 class="h3">Shell Commands</h2>
<div class="section">
<p>
@@ -426,7 +427,7 @@
changing file permissions, etc. It also supports a few HDFS
specific operations like changing replication of files.
</p>
-<a name="N100A5"></a><a name="DFSAdmin+Command"></a>
+<a name="N100A1"></a><a name="DFSAdmin+Command"></a>
<h3 class="h4"> DFSAdmin Command </h3>
<p>
The <span class="codefrag">bin/hadoop dfsadmin</span>
@@ -474,7 +475,7 @@
For command usage, see <a href="commands_manual.html#dfsadmin">dfsadmin command</a>.
</p>
</div>
-<a name="N100D8"></a><a name="Secondary+NameNode"></a>
+<a name="N100D4"></a><a name="Secondary+NameNode"></a>
<h2 class="h3"> Secondary NameNode </h2>
<div class="section">
<p>
@@ -559,7 +560,7 @@
For command usage, see <a href="commands_manual.html#secondarynamenode"><span class="codefrag">secondarynamenode</span> command</a>.
</p>
</div>
-<a name="N1013F"></a><a name="Rebalancer"></a>
+<a name="N1013B"></a><a name="Rebalancer"></a>
<h2 class="h3"> Rebalancer </h2>
<div class="section">
<p>
@@ -607,7 +608,7 @@
For command usage, see <a href="commands_manual.html#balancer">balancer command</a>.
</p>
</div>
-<a name="N1016A"></a><a name="Rack+Awareness"></a>
+<a name="N10166"></a><a name="Rack+Awareness"></a>
<h2 class="h3"> Rack Awareness </h2>
<div class="section">
<p>
@@ -626,7 +627,7 @@
<a href="http://issues.apache.org/jira/browse/HADOOP-692">HADOOP-692</a>.
</p>
</div>
-<a name="N1017F"></a><a name="Safemode"></a>
+<a name="N1017B"></a><a name="Safemode"></a>
<h2 class="h3"> Safemode </h2>
<div class="section">
<p>
@@ -647,7 +648,7 @@
<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="N10191"></a><a name="fsck"></a>
+<a name="N1018D"></a><a name="fsck"></a>
<h2 class="h3"> fsck </h2>
<div class="section">
<p>
@@ -665,7 +666,7 @@
<span class="codefrag">fsck</span> can be run on the whole file system or on a subset of files.
</p>
</div>
-<a name="N101B3"></a><a name="Upgrade+and+Rollback"></a>
+<a name="N101AF"></a><a name="Upgrade+and+Rollback"></a>
<h2 class="h3"> Upgrade and Rollback </h2>
<div class="section">
<p>
@@ -724,7 +725,7 @@
</ul>
</div>
-<a name="N101F1"></a><a name="File+Permissions+and+Security"></a>
+<a name="N101ED"></a><a name="File+Permissions+and+Security"></a>
<h2 class="h3"> File Permissions and Security </h2>
<div class="section">
<p>
@@ -734,10 +735,10 @@
treated as the superuser for HDFS. Future versions of HDFS will
support network authentication protocols like Kerberos for user
authentication and encryption of data transfers. The details are discussed in the
- <a href="hdfs_permissions_guide.html">Permissions User and Administrator Guide</a>.
+ <a href="hdfs_permissions_guide.html">HDFS Admin Guide: Permissions</a>.
</p>
</div>
-<a name="N101FF"></a><a name="Scalability"></a>
+<a name="N101FB"></a><a name="Scalability"></a>
<h2 class="h3"> Scalability </h2>
<div class="section">
<p>
@@ -755,7 +756,7 @@
suggested configuration improvements for large Hadoop clusters.
</p>
</div>
-<a name="N10211"></a><a name="Related+Documentation"></a>
+<a name="N1020D"></a><a name="Related+Documentation"></a>
<h2 class="h3"> Related Documentation </h2>
<div class="section">
<p>
@@ -801,8 +802,7 @@
<li>
-<a href="commands_manual.html">Commands Manual</a>
- : commands usage.
+<a href="commands_manual.html">Hadoop Command Guide</a>: commands usage.
</li>
</ul>
Modified: hadoop/core/trunk/docs/hdfs_user_guide.pdf
URL: http://svn.apache.org/viewvc/hadoop/core/trunk/docs/hdfs_user_guide.pdf?rev=706367&r1=706366&r2=706367&view=diff
==============================================================================
--- hadoop/core/trunk/docs/hdfs_user_guide.pdf (original)
+++ hadoop/core/trunk/docs/hdfs_user_guide.pdf Mon Oct 20 11:59:31 2008
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Modified: hadoop/core/trunk/docs/hod_admin_guide.html
URL: http://svn.apache.org/viewvc/hadoop/core/trunk/docs/hod_admin_guide.html?rev=706367&r1=706366&r2=706367&view=diff
==============================================================================
--- hadoop/core/trunk/docs/hod_admin_guide.html (original)
+++ hadoop/core/trunk/docs/hod_admin_guide.html Mon Oct 20 11:59:31 2008
@@ -6,7 +6,7 @@
<meta name="Forrest-version" content="0.8">
<meta name="Forrest-skin-name" content="pelt">
<title>
- Hadoop On Demand
+ HOD Administrator Guide
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<link type="text/css" href="skin/basic.css" rel="stylesheet">
<link media="screen" type="text/css" href="skin/screen.css" rel="stylesheet">
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|start Menu
+-->
<div id="menu">
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-<div id="menu_1.1" class="menuitemgroup">
+<div onclick="SwitchMenu('menu_selected_1.1', 'skin/')" id="menu_selected_1.1Title" class="menutitle" style="background-image: url('skin/images/chapter_open.gif');">Documentation</div>
+<div id="menu_selected_1.1" class="selectedmenuitemgroup" style="display: block;">
<div class="menuitem">
<a href="index.html">Overview</a>
</div>
<div class="menuitem">
-<a href="quickstart.html">Quickstart</a>
+<a href="quickstart.html">Hadoop Quick Start</a>
</div>
<div class="menuitem">
-<a href="cluster_setup.html">Cluster Setup</a>
+<a href="cluster_setup.html">Hadoop Cluster Setup</a>
</div>
<div class="menuitem">
-<a href="hdfs_design.html">HDFS Architecture</a>
+<a href="mapred_tutorial.html">Hadoop Map/Reduce Tutorial</a>
</div>
<div class="menuitem">
-<a href="hdfs_user_guide.html">HDFS User Guide</a>
+<a href="commands_manual.html">Hadoop Command Guide</a>
</div>
<div class="menuitem">
-<a href="hdfs_permissions_guide.html">HDFS Permissions Guide</a>
+<a href="hdfs_shell.html">Hadoop FS Shell Guide</a>
</div>
<div class="menuitem">
-<a href="hdfs_quota_admin_guide.html">HDFS Quotas Administrator Guide</a>
+<a href="distcp.html">Hadoop DistCp Guide</a>
</div>
<div class="menuitem">
-<a href="commands_manual.html">Commands Manual</a>
+<a href="native_libraries.html">Hadoop Native Libraries</a>
</div>
<div class="menuitem">
-<a href="hdfs_shell.html">FS Shell Guide</a>
+<a href="streaming.html">Hadoop Streaming</a>
</div>
<div class="menuitem">
-<a href="SLG_user_guide.html">Synthetic Load Generator User Guide</a>
+<a href="hadoop_archives.html">Hadoop Archives</a>
</div>
<div class="menuitem">
-<a href="distcp.html">DistCp Guide</a>
+<a href="hdfs_user_guide.html">HDFS User Guide</a>
</div>
<div class="menuitem">
-<a href="mapred_tutorial.html">Map-Reduce Tutorial</a>
+<a href="hdfs_design.html">HDFS Architecture</a>
</div>
<div class="menuitem">
-<a href="native_libraries.html">Native Hadoop Libraries</a>
+<a href="hdfs_permissions_guide.html">HDFS Admin Guide: Permissions</a>
</div>
<div class="menuitem">
-<a href="streaming.html">Streaming</a>
+<a href="hdfs_quota_admin_guide.html">HDFS Admin Guide: Quotas</a>
</div>
<div class="menuitem">
-<a href="hadoop_archives.html">Hadoop Archives</a>
+<a href="SLG_user_guide.html">HDFS Utilities</a>
</div>
<div class="menuitem">
-<a href="hod.html">Hadoop On Demand</a>
+<a href="hod_user_guide.html">HOD User Guide</a>
+</div>
+<div class="menupage">
+<div class="menupagetitle">HOD Admin Guide</div>
+</div>
+<div class="menuitem">
+<a href="hod_config_guide.html">HOD Config Guide</a>
</div>
<div class="menuitem">
<a href="capacity_scheduler.html">Capacity Scheduler</a>
@@ -170,13 +176,10 @@
<a href="http://wiki.apache.org/hadoop/FAQ">FAQ</a>
</div>
<div class="menuitem">
-<a href="http://hadoop.apache.org/core/mailing_lists.html">Mailing Lists</a>
-</div>
-<div class="menuitem">
<a href="releasenotes.html">Release Notes</a>
</div>
<div class="menuitem">
-<a href="changes.html">All Changes</a>
+<a href="changes.html">Change Log</a>
</div>
</div>
<div id="credit"></div>
@@ -199,7 +202,7 @@
PDF</a>
</div>
<h1>
- Hadoop On Demand
+ HOD Administrator Guide
</h1>
<div id="minitoc-area">
<ul class="minitoc">
@@ -268,11 +271,11 @@
<a name="N1000C"></a><a name="Overview"></a>
<h2 class="h3">Overview</h2>
<div class="section">
-<p>The Hadoop On Demand (HOD) project is a system for provisioning and
+<p>Hadoop On Demand (HOD) is a system for provisioning and
managing independent Hadoop Map/Reduce and Hadoop Distributed File System (HDFS)
instances on a shared cluster
of nodes. HOD is a tool that makes it easy for administrators and users to
-quickly setup and use Hadoop. It is also a very useful tool for Hadoop developers
+quickly setup and use Hadoop. HOD is also a very useful tool for Hadoop developers
and testers who need to share a physical cluster for testing their own Hadoop
versions.
</p>
@@ -336,7 +339,7 @@
JobTracker and HDFS daemons.</li>
</ul>
-<p>The rest of this document describes how to setup HOD on a physical cluster of nodes.</p>
+<p>This guide shows you how to get started using HOD, reviews various HOD features and command line options, and provides detailed troubleshooting help.</p>
</div>
@@ -523,7 +526,7 @@
<a name="N10124"></a><a name="Advanced+Configuration"></a>
<h3 class="h4">Advanced Configuration</h3>
<p> You can review and modify other configuration options to suit
- your specific needs. Refer to the <a href="hod_config_guide.html">Configuration
+ your specific needs. Refer to the <a href="hod_config_guide.html">HOD Configuration
Guide</a> for more information.</p>
</div>
@@ -531,7 +534,7 @@
<a name="N10133"></a><a name="Running+HOD"></a>
<h2 class="h3">Running HOD</h2>
<div class="section">
-<p>You can run HOD once it is configured. Refer to <a href="hod_user_guide.html">the HOD User Guide</a> for more information.</p>
+<p>You can run HOD once it is configured. Refer to the<a href="hod_user_guide.html"> HOD User Guide</a> for more information.</p>
</div>
@@ -555,7 +558,7 @@
to the file, and directly run it as <em>logcondense.py</em>. logcondense.py needs to be
run by a user who has sufficient permissions to remove files from locations where log
files are uploaded in the HDFS, if permissions are enabled. For example as mentioned in the
- <a href="hod_config_guide.html#3.7+hodring+options">configuration guide</a>, the logs could
+ <a href="hod_config_guide.html#3.7+hodring+options">HOD Configuration Guide</a>, the logs could
be configured to come under the user's home directory in HDFS. In that case, the user
running logcondense.py should have super user privileges to remove the files from under
all user home directories.</p>
@@ -607,7 +610,7 @@
<td colspan="1" rowspan="1">-l</td>
<td colspan="1" rowspan="1">--logs</td>
<td colspan="1" rowspan="1">A HDFS path, this must be the same HDFS path as specified for the log-destination-uri,
- as mentioned in the <a href="hod_config_guide.html#3.7+hodring+options">configuration guide</a>,
+ as mentioned in the <a href="hod_config_guide.html#3.7+hodring+options">HOD Configuration Guide</a>,
without the hdfs:// URI string</td>
<td colspan="1" rowspan="1">/user</td>