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HBASE-526 Add documentation src and build to the 0.1 branch 

Second part of documentation commit.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/hbase/trunk@638612 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Michael Stack 2008-03-18 22:32:14 +00:00
parent feb4f2d2b6
commit 9fa72c0177
11 changed files with 113 additions and 76 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
CHANGES.txt
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@ -95,6 +95,7 @@ Hbase Change Log
HBASE-443 Move internal classes out of HStore HBASE-443 Move internal classes out of HStore
HBASE-515 At least double default timeouts between regionserver and master HBASE-515 At least double default timeouts between regionserver and master
HBASE-529 RegionServer needs to recover if datanode goes down HBASE-529 RegionServer needs to recover if datanode goes down
HBASE-456 Clearly state which ports need to be opened in order to run HBase
Branch 0.1 Branch 0.1

2
README.txt
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@ -1 +1 @@
See http://wiki.apache.org/lucene-hadoop/Hbase See the docs directory or http://hbase.org

1
build.xml
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@ -285,7 +285,6 @@
<path refid="classpath" /> <path refid="classpath" />
<pathelement path="${java.class.path}"/> <pathelement path="${java.class.path}"/>
</classpath> </classpath>
<group title="${Name}" packages="org.apache.hadoop.hbase.*"/>
</javadoc> </javadoc>
</target> </target>

7
docs/index.html
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@ -108,6 +108,9 @@ document.write("Last Published: " + document.lastModified);
<div class="menupagetitle">Overview</div> <div class="menupagetitle">Overview</div>
</div> </div>
<div class="menuitem"> <div class="menuitem">
<a href="api/overview-summary.html#overview_description">Getting Started</a>
</div>
<div class="menuitem">
<a href="api/index.html">API Docs</a> <a href="api/index.html">API Docs</a>
</div> </div>
<div class="menuitem"> <div class="menuitem">
@ -152,6 +155,10 @@ document.write("Last Published: " + document.lastModified);
<ul> <ul>
<li>
<a href="api/overview-summary.html#overview_description">Getting Started</a>
</li>
<li> <li>
<a href="api/index.html">API Docs</a> <a href="api/index.html">API Docs</a>
</li> </li>

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docs/index.pdf
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@ -108,6 +108,9 @@ document.write("Last Published: " + document.lastModified);
<a href="index.html">Overview</a> <a href="index.html">Overview</a>
</div> </div>
<div class="menuitem"> <div class="menuitem">
<a href="api/overview-summary.html#overview_description">Getting Started</a>
</div>
<div class="menuitem">
<a href="api/index.html">API Docs</a> <a href="api/index.html">API Docs</a>
</div> </div>
<div class="menuitem"> <div class="menuitem">
@ -162,6 +165,12 @@ document.write("Last Published: " + document.lastModified);
</li> </li>
</ul> </ul>
<ul>
<li>
<a href="api/overview-summary.html#overview_description">Getting Started</a>&nbsp;&nbsp;___________________&nbsp;&nbsp;<em>started</em>
</li>
</ul>
<ul> <ul>
<li> <li>
<a href="api/index.html">API Docs</a>&nbsp;&nbsp;___________________&nbsp;&nbsp;<em>api</em> <a href="api/index.html">API Docs</a>&nbsp;&nbsp;___________________&nbsp;&nbsp;<em>api</em>

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1
src/docs/src/documentation/content/xdocs/index.xml
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@ -30,6 +30,7 @@
<a href="ext:lists">mailing list</a> or browse the archives. <a href="ext:lists">mailing list</a> or browse the archives.
</p> </p>
<ul> <ul>
<li><a href="ext:api/started">Getting Started</a></li>
<li><a href="ext:api/index">API Docs</a></li> <li><a href="ext:api/index">API Docs</a></li>
<li><a href="ext:wiki">Wiki</a></li> <li><a href="ext:wiki">Wiki</a></li>
<li><a href="ext:faq">FAQ</a></li> <li><a href="ext:faq">FAQ</a></li>

2
src/docs/src/documentation/content/xdocs/site.xml
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@ -33,6 +33,7 @@ See http://forrest.apache.org/docs/linking.html for more info.
<docs label="Documentation"> <docs label="Documentation">
<overview label="Overview" href="index.html" /> <overview label="Overview" href="index.html" />
<started label="Getting Started" href="ext:api/started" />
<api label="API Docs" href="ext:api/index" /> <api label="API Docs" href="ext:api/index" />
<wiki label="Wiki" href="ext:wiki" /> <wiki label="Wiki" href="ext:wiki" />
<faq label="FAQ" href="ext:faq" /> <faq label="FAQ" href="ext:faq" />
@ -54,6 +55,7 @@ See http://forrest.apache.org/docs/linking.html for more info.
<cygwin href="http://www.cygwin.com/" /> <cygwin href="http://www.cygwin.com/" />
<osx href="http://www.apple.com/macosx" /> <osx href="http://www.apple.com/macosx" />
<api href="api/"> <api href="api/">
<started href="overview-summary.html#overview_description" />
<index href="index.html" /> <index href="index.html" />
<org href="org/"> <org href="org/">
<apache href="apache/"> <apache href="apache/">

1
src/java/org/apache/hadoop/hbase/regionserver/HRegion.java
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@ -1107,7 +1107,6 @@ public class HRegion implements HConstants {
* <i>ts</i>. * <i>ts</i>.
* *
* @param row row key * @param row row key
* @param ts
* @return map of values * @return map of values
* @throws IOException * @throws IOException
*/ */

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src/java/overview.html
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@ -22,7 +22,7 @@
<title>HBase</title> <title>HBase</title>
</head> </head>
<body bgcolor="white"> <body bgcolor="white">
HBase is the <a href="http://lucene.apache.org/hadoop">Hadoop</a> simple database. <a href="http://hbase.org">HBase</a> is the <a href="http://lucene.apache.org/hadoop">Hadoop</a> simple database.
<h2><a name="requirements">Requirements</a></h2> <h2><a name="requirements">Requirements</a></h2>
<ul> <ul>
@ -31,58 +31,61 @@ HBase is the <a href="http://lucene.apache.org/hadoop">Hadoop</a> simple databas
<h2><a name="getting_started" >Getting Started</a></h2> <h2><a name="getting_started" >Getting Started</a></h2>
<p> <p>
What follows presumes you are installing hbase for the first time. If upgrading your What follows presumes you are installing HBase for the first time. If upgrading your
hbase instance, see <a href="#upgrading">Upgrading</a>. HBase instance, see <a href="#upgrading">Upgrading</a>.
</p> </p>
<p> <p>
Start by defining the following directory variables for your convenience: Start by defining the following environment variables for your convenience:
</p> </p>
<p> <p>
<ul> <ul>
<li><code>${HBASE_HOME}</code>: The HBase root. <li><code>${HBASE_HOME}</code>: Set HBASE_HOME to the location of the HBase root: e.g. <code>/user/local/hbase</code>.
</li> </li>
</ul> </ul>
</p> </p>
<p>Edit <code>${HBASE_HOME}/conf/hbase-env.sh</code>. In this file you can <p>Edit <code>${HBASE_HOME}/conf/hbase-env.sh</code>. In this file you can
set the heapsize for HBase, etc. At a minimum, set set the heapsize for HBase, etc. At a minimum, set <code>JAVA_HOME</code> to point at the root of
<code>JAVA_HOME</code> to the root of your Java installation. your Java installation.
<p> <p>
If you are running a standalone operation, proceed to <a href=#runandconfirm>Running If you are running a standalone operation, there should be nothing further to configure; proceed to
and Confirming Your Installation</a>. If you are running a distributed operation, continue below. <a href=#runandconfirm>Running and Confirming Your Installation</a>. If you are running a distributed
operation, continue reading.
</p> </p>
<h2><a name="distributed" >Distributed Operation</a></h2> <h2><a name="distributed" >Distributed Operation</a></h2>
<p>Distributed mode requires an instance of the Hadoop Distributed File System (DFS). <p>Distributed mode requires an instance of the Hadoop Distributed File System (DFS).
See the Hadoop <a href="http://lucene.apache.org/hadoop/api/overview-summary.html#overview_description"> See the Hadoop <a href="http://lucene.apache.org/hadoop/api/overview-summary.html#overview_description">
requirements and instructions</a> for running a distributed operation. Configuring HBase for a requirements and instructions</a> for how to set up a DFS.</p>
distributed operation requires modification of the following two files: <p>Once you have confirmed your DFS setup, configuring HBase requires modification of the following two files:
<code>${HBASE_HOME}/conf/hbase-site.xml</code> and <code>${HBASE_HOME}/conf/regionservers</code>. <code>${HBASE_HOME}/conf/hbase-site.xml</code> and <code>${HBASE_HOME}/conf/regionservers</code>.
The former needs to be pointed at the running Hadoop DFS instance. The latter file lists The former needs to be pointed at the running Hadoop DFS instance. The latter file lists
all members of the HBase cluster. all the members of the HBase cluster.
</p> </p>
<p> <p>
<code>hbase-site.xml</code> allows the user to override the properties defined in Use <code>hbase-site.xml</code> to override the properties defined in
<code>${HBASE_HOME}/conf/hbase-default.xml</code> (<code>hbase-default.xml</code> itself <code>${HBASE_HOME}/conf/hbase-default.xml</code> (<code>hbase-default.xml</code> itself
should never be modified). At a minimum the <code>hbase.master</code> and the should never be modified). At a minimum the <code>hbase.master</code> and the
<code>hbase.rootdir</code> properties should be redefined <code>hbase.rootdir</code> properties should be redefined
in <code>hbase-site.xml</code> to define the <code>host:port</code> pair on which to run the in <code>hbase-site.xml</code> to configure the <code>host:port</code> pair on which the
HMaster (<a href="http://wiki.apache.org/lucene-hadoop/Hbase/HbaseArchitecture">read about the HMaster runs (<a href="http://wiki.apache.org/lucene-hadoop/Hbase/HbaseArchitecture">read about the
Hbase master, regionservers, etc</a>) and to point hbase at the Hadoop filesystem to use. For HBase master, regionservers, etc</a>) and to point HBase at the Hadoop filesystem to use. For
example: example, adding the below to your hbase-site.xml says the master is up on port 60000 on the host
example.org and that HBase should use the <code>/hbase</code> directory in the HDFS whose namenode
is at port 9000, again on example.org:
</p> </p>
<pre> <pre>
&lt;configuration&gt; &lt;configuration&gt;
&lt;property&gt; &lt;property&gt;
&lt;name&gt;hbase.master&lt;/name&gt; &lt;name&gt;hbase.master&lt;/name&gt;
&lt;value&gt;localhost:60000&lt;/value&gt; &lt;value&gt;example.org:60000&lt;/value&gt;
&lt;description&gt;The host and port that the HBase master runs at. &lt;description&gt;The host and port that the HBase master runs at.
&lt;/description&gt; &lt;/description&gt;
&lt;/property&gt; &lt;/property&gt;
&lt;property&gt; &lt;property&gt;
&lt;name&gt;hbase.rootdir&lt;/name&gt; &lt;name&gt;hbase.rootdir&lt;/name&gt;
&lt;value&gt;hdfs://localhost:9000/hbase&lt;/value&gt; &lt;value&gt;hdfs://example.org:9000/hbase&lt;/value&gt;
&lt;description&gt;The directory shared by region servers. &lt;description&gt;The directory shared by region servers.
&lt;/description&gt; &lt;/description&gt;
&lt;/property&gt; &lt;/property&gt;
@ -91,18 +94,19 @@ example:
</pre> </pre>
<p> <p>
The <code>regionserver</code> file lists all the hosts running HRegionServers, one The <code>regionserver</code> file lists all the hosts running HRegionServers, one
host per line (This file is synonymous to the slaves file at host per line (This file is HBase synonym of the hadoop slaves file at
<code>${HADOOP_HOME}/conf/slaves</code>). <code>${HADOOP_HOME}/conf/slaves</code>).
</p> </p>
<h2><a name="runandconfirm">Running and Confirming Your Installation</a></h2> <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 <p>If you are running in standalone, non-distributed mode, HBase by default uses
the local filesystem.</p> the local filesystem.</p>
<p>If you are running a distributed cluster you will need to start the Hadoop DFS daemons <p>If you are running a distributed cluster you will need to start the Hadoop DFS daemons
before starting HBase and stop the daemons after HBase has shut down. Start and before starting HBase and stop the daemons after HBase has shut down. Start and
stop the Hadoop DFS daemons as per the Hadoop stop the Hadoop DFS daemons by running <code>${HADOOP_HOME}/bin/start-dfs.sh</code>.
<a href="http://lucene.apache.org/hadoop/api/overview-summary.html">instructions</a>. HBase Ensure it started properly by testing the put and get of files into the Hadoop filesystem.
does not normally use the mapreduce daemons. These do not need to be started.</p> HBase does not normally use the mapreduce daemons. These do not need to be started.</p>
<p>Start HBase with the following command: <p>Start HBase with the following command:
</p> </p>
@ -112,11 +116,11 @@ ${HBASE_HOME}/bin/start-hbase.sh
<p> <p>
Once HBase has started, enter <code>${HBASE_HOME}/bin/hbase shell</code> to obtain a Once HBase has started, enter <code>${HBASE_HOME}/bin/hbase shell</code> to obtain a
shell against HBase from which you can execute HQL commands (HQL is a severe subset of SQL). shell against HBase from which you can execute HQL commands (HQL is a severe subset of SQL).
In the HBase shell, type In the HBase shell, type <code>help;</code> to see a list of supported HQL commands. Note
<code>help;</code> to see a list of supported HQL commands. Note that all commands in the HBase that all commands in the HBase
shell must end with <code>;</code>. Test your installation by creating, viewing, and dropping shell must end with <code>;</code>. Test your installation by creating, viewing, and dropping
a table, as per the help instructions. Be patient with the <code>create</code> and a table, as per the help instructions. Be patient with the <code>create</code> and
<code>drop</code> operations as they may each take 10 seconds or more. To stop hbase, exit the <code>drop</code> operations as they may each take 10 seconds or more. To stop HBase, exit the
HBase shell and enter: HBase shell and enter:
</p> </p>
<pre> <pre>
@ -130,19 +134,21 @@ before stopping the Hadoop daemons.
The default location for logs is <code>${HBASE_HOME}/logs</code>. The default location for logs is <code>${HBASE_HOME}/logs</code>.
</p> </p>
<p>HBase also puts up a UI listing vital attributes. By default its deployed on the master host <p>HBase also puts up a UI listing vital attributes. By default its deployed on the master host
at port 60010.</p> at port 60010 (HBase regionservers listen on port 60020 by default and put up an informational
http server at 60030).</p>
<h2><a name="upgrading" >Upgrading</a></h2> <h2><a name="upgrading" >Upgrading</a></h2>
<p>After installing the new HBase, before starting your cluster, run the <p>After installing a new HBase on top of data written by a previous HBase version, before
<code>${HBASE_DIR}/bin/hbase migrate</code> migration script. It will make any starting your cluster, run the <code>${HBASE_DIR}/bin/hbase migrate</code> migration script.
adjustments to the filesystem data under <code>hbase.rootdir</code> necessary to run It will make any adjustments to the filesystem data under <code>hbase.rootdir</code> necessary to run
the hbase version (It does not change your install unless you explicitly ask it to). the HBase version. It does not change your install unless you explicitly ask it to.
</p> </p>
<h2><a name="related" >Related Documentation</a></h2> <h2><a name="related" >Related Documentation</a></h2>
<ul> <ul>
<li><a href="http://wiki.apache.org/lucene-hadoop/Hbase">HBase Home Page</a> <li><a href="http://hbase.org">HBase Home Page</a>
<li><a href="http://wiki.apache.org/lucene-hadoop/Hbase/HbaseArchitecture">HBase Architecture</a> <li><a href="http://wiki.apache.org/hadoop/Hbase">HBase Wiki</a>
<li><a href="http://hadoop.apache.org/">Hadoop Home Page</a>
</ul> </ul>
</body> </body>