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From st...@apache.org
Subject svn commit: r833591 - /hadoop/hbase/branches/0.20/src/java/overview.html
Date Fri, 06 Nov 2009 22:47:30 GMT
Author: stack
Date: Fri Nov  6 22:47:29 2009
New Revision: 833591

URL: http://svn.apache.org/viewvc?rev=833591&view=rev
Log:
HBASE-1953 Overhaul of overview.html (html fixes, typos, consistency) - no content changes;
added Lars Francke extra edits

Modified:
    hadoop/hbase/branches/0.20/src/java/overview.html

Modified: hadoop/hbase/branches/0.20/src/java/overview.html
URL: http://svn.apache.org/viewvc/hadoop/hbase/branches/0.20/src/java/overview.html?rev=833591&r1=833590&r2=833591&view=diff
==============================================================================
--- hadoop/hbase/branches/0.20/src/java/overview.html (original)
+++ hadoop/hbase/branches/0.20/src/java/overview.html Fri Nov  6 22:47:29 2009
@@ -55,10 +55,11 @@
 <ul>
   <li>Java 1.6.x, preferably from <a href="http://www.java.com/download/">Sun</a>.
Use the latest version available.</li>
   <li>This version of HBase will only run on <a href="http://hadoop.apache.org/common/releases.html">Hadoop
0.20.x</a>.</li>
-  <li><i>ssh</i> must be installed and <i>sshd</i> must be
running to use Hadoop's scripts to manage remote Hadoop daemons.
+  <li>
+    <em>ssh</em> must be installed and <em>sshd</em> must be running
to use Hadoop's scripts to manage remote Hadoop daemons.
    You must be able to ssh to all nodes, including your local node, using passwordless login
    (Google "ssh passwordless login").
-</li>
+  </li>
   <li>
     HBase depends on <a href="http://hadoop.apache.org/zookeeper/">ZooKeeper</a>
as of release 0.20.0.
     HBase keeps the location of its root table, who the current master is, and what regions
are
@@ -87,7 +88,8 @@
     Up this number if you have a dataset of any substance by setting <code>hbase.regionserver.handler.count</code>
     in your <code>hbase-site.xml</code>.
   </li>
-  <li>This is the current list of patches we recommend you apply to your running Hadoop
cluster:
+  <li>
+    This is the current list of patches we recommend you apply to your running Hadoop cluster:
     <ul>
       <li><a hef="https://issues.apache.org/jira/browse/HADOOP-4681">HADOOP-4681/HDFS-127
<i>"DFSClient block read failures cause open DFSInputStream to become unusable"</i></a>.
This patch will help with the ever-popular, "No live nodes contain current block".
       The hadoop version bundled with hbase has this patch applied.  Its an HDFS client
@@ -107,10 +109,10 @@
 </ul>
 
 <h3><a name="windows">Windows</a></h3>
-If you are running HBase on Windows, you must install <a href="http://cygwin.com/">Cygwin</a>.
+<p>If you are running HBase on Windows, you must install <a href="http://cygwin.com/">Cygwin</a>.
 Additionally, it is <em>strongly recommended</em> that you add or append to the
following
 environment variables. If you install Cygwin in a location that is not <code>C:\cygwin</code>
you
-should modify the following appropriately.
+should modify the following appropriately.</p>
 
 <blockquote>
 <pre>
@@ -121,7 +123,8 @@
 SHELL=/bin/bash
 </pre>
 </blockquote>
-For additional information, see the <a href="http://hadoop.apache.org/common/docs/current/quickstart.html">Hadoop
Quick Start Guide</a>
+
+<p>For additional information, see the <a href="http://hadoop.apache.org/common/docs/current/quickstart.html">Hadoop
Quick Start Guide</a></p>
 
 
 <h2><a name="getting_started" >Getting Started</a></h2>
@@ -130,11 +133,10 @@
 for the first time. If upgrading your HBase instance, see <a href="#upgrading">Upgrading</a>.</p>
 
 <p>Three modes are described: <em>standalone</em>, <em>pseudo-distributed</em>
(where all servers are run on
-a single host), and <em>fully-distributed</em>. If new to HBase start by following
the standalone instructions.
-</p>
+a single host), and <em>fully-distributed</em>. If new to HBase start by following
the standalone instructions.</p>
+
+<p>Begin by reading <a href="#requirements">Requirements</a>.</p>
 
-<p>Begin by reading <a href=#requirements>Requirements</a>.
-</p>
 <p>Whatever your mode, define <code>${HBASE_HOME}</code> to be the location
of the root of your HBase installation, e.g.
 <code>/user/local/hbase</code>. Edit <code>${HBASE_HOME}/conf/hbase-env.sh</code>.
In this file you can
 set the heapsize for HBase, etc. At a minimum, set <code>JAVA_HOME</code> to
point at the root of
@@ -183,7 +185,7 @@
 
 <h4><a name="fully-distrib">Fully-Distributed Operation</a></h4>
 <p>For running a fully-distributed operation on more than one host, the following
-configurations must be made <i>in addition</i> to those described in the
+configurations must be made <em>in addition</em> to those described in the
 <a href="#pseudo-distrib">pseudo-distributed operation</a> section above.</p>
 
 <p>In <code>hbase-site.xml</code>, set <code>hbase.cluster.distributed</code>
to <code>true</code>.</p>
@@ -244,11 +246,13 @@
 HBase will see this file and use it to figure out where ZooKeeper is.
 Additionally set <code>HBASE_MANAGES_ZK</code> in <code>${HBASE_HOME}/conf/hbase-env.sh</code>
 to <code>false</code> so that HBase doesn't mess with your ZooKeeper setup:</p>
+<blockquote>
 <pre>
    ...
   # Tell HBase whether it should manage it's own instance of Zookeeper or not.
   export HBASE_MANAGES_ZK=false
 </pre>
+</blockquote>
 
 <p>As an example, to have HBase manage a ZooKeeper quorum on nodes
 <em>rs{1,2,3,4,5}.example.com</em>, bound to port 2222 (the default is 2181),
use:</p>
@@ -316,6 +320,7 @@
 you want to run with a replication factor of 5, hbase will create files with the default
of 3 unless
 you do the above to make the configuration available to HBase.</p>
 
+
 <h2><a name="runandconfirm">Running and Confirming Your Installation</a></h2>
 <p>If you are running in standalone, non-distributed mode, HBase by default uses the
local filesystem.</p>
 
@@ -337,9 +342,10 @@
 shell against HBase from which you can execute commands.
 Type 'help' at the shells' prompt to get a list of commands.
 Test your running install by creating tables, inserting content, viewing content, and then
dropping your tables.
-For example:
+For example:</p>
 <blockquote>
-<pre>hbase&gt; # Type "help" to see shell help screen
+<pre>
+hbase&gt; # Type "help" to see shell help screen
 hbase&gt; help
 hbase&gt; # To create a table named "mylittletable" with a column family of "mylittlecolumnfamily",
type
 hbase&gt; create "mylittletable", "mylittlecolumnfamily"
@@ -354,7 +360,7 @@
 </pre>
 </blockquote>
 
-To stop HBase, exit the HBase shell and enter:</p>
+<p>To stop HBase, exit the HBase shell and enter:</p>
 <blockquote>
 <pre>${HBASE_HOME}/bin/stop-hbase.sh</pre>
 </blockquote>
@@ -375,7 +381,7 @@
 the HBase version. It does not change your install unless you explicitly ask it to.</p>
 
 <h2><a name="client_example">Example API Usage</a></h2>
-For sample Java code, see <a href="org/apache/hadoop/hbase/client/package-summary.html#package_description">org.apache.hadoop.hbase.client</a>
documentation.
+<p>For sample Java code, see <a href="org/apache/hadoop/hbase/client/package-summary.html#package_description">org.apache.hadoop.hbase.client</a>
documentation.</p>
 
 <p>If your client is NOT Java, consider the Thrift or REST libraries.</p>
 



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