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-<!DOCTYPE html><html><head><title>Welcome to Apache PredictionIO 
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SOURCE</a></div></div><img class="mobile-search-bar-to
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Analytics Tools</span></a></li></ul></li><li class="level-1"><a 
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class="level-2"><a class="final" href="/algorithm/"><span>Built-in Algorithm 
Libraries</span></a></li><li class="level-2"><a class="final" 
href="/algorithm/switch/"><span>Switching to Another 
Algorithm</span></a></li><li class="level-2"><a class="final" 
href="/algorithm/multiple/"><span>Combining Multiple 
Algorithms</span></a></li><li class="level-2"><a class="final" 
href="/algorithm/custom/"><span>Adding Your Own 
Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" 
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IDEA</span></a></li><li class="level-2"><a class="final" 
href="/resources/upgrade/"><span>Upgrade Instructions</span></a></li><li 
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 <ul><li><span class="last">Apache PredictionIO (incubating) 
Documentation</span></li></ul></div><div id="page-title"><h1>Welcome to Apache 
PredictionIO (incubating)!</h1></div></div><div 
id="table-of-content-wrapper"><h5>On this page</h5><aside 
id="table-of-contents"><ul> <li> <a 
href="#what-is-apache-predictionio-incubating">What is Apache PredictionIO 
(incubating)?</a> </li> <li> <a href="#release-notes">Release Notes</a> </li> 
<li> <a href="#licensing">Licensing</a> </li> </ul> </aside><hr/><a 
id="edit-page-link" 
href="https://github.com/apache/incubator-predictionio/tree/livedoc/docs/manual/source/index.html.md.erb";><img
 src="/images/icons/edit-pencil-d6c1bb3d.png"/>Edit this page</a></div><div 
class="content-header hidden-sm hidden-xs"><div id="breadcrumbs" 
class="hidden-sm hidden xs"><ul><li><span class="last">Apache PredictionIO 
(incubating) Documentation</span></li></ul></div><div 
id="page-title"><h1>Welcome to Apache PredictionIO 
(incubating)!</h1></div></div><div class="co
 ntent"><h2 id='what-is-apache-predictionio-(incubating)?' 
class='header-anchors'>What is Apache PredictionIO (incubating)?</h2><p>Apache 
PredictionIO (incubating) is an <strong>open source Machine Learning 
Server</strong> built on top of state-of-the-art open source stack for 
developers and data scientists create predictive engines for any machine 
learning task. It lets you:</p> <ul> <li>quickly build and deploy an engine as 
a web service on production with <a 
href="/gallery/template-gallery">customizable templates</a>;</li> <li>respond 
to dynamic queries in <strong>real-time</strong> once deployed as a web 
service;</li> <li>evaluate and tune multiple engine variants 
systematically;</li> <li>unify data from multiple platforms in batch or in 
real-time for comprehensive predictive analytics;</li> <li>speed up machine 
learning modeling with systematic processes and pre-built evaluation 
measures;</li> <li>support machine learning and data processing libraries such 
as Spark MLLib and Ope
 nNLP;</li> <li>implement your own machine learning models and seamlessly 
incorporate them into your engine;</li> <li>simplify data infrastructure 
management.</li> </ul> <p>Apache PredictionIO (incubating) can be <a 
href="/install/">installed</a> as a full machine learning stack, bundled with 
<strong>Apache Spark</strong>, <strong>MLlib</strong>, <strong>HBase</strong>, 
<strong>Spray</strong> and <strong>Elasticsearch</strong>, which simplifies and 
accelerates scalable machine learning infrastructure management.</p> 
<table><thead> <tr> <th>Getting Started</th> <th>Developer Guides</th> <th>ML 
Education and Usage</th> <th>PredictionIO SDKs</th> </tr> </thead><tbody> <tr> 
<td><a href="/start/">Quick Intro</a></td> <td><a href="/system/">System 
Architecture</a></td> <td><a href="/demo/tapster/">Comics 
Recommendation</a></td> <td><a href="/sdk/java/">Java</a></td> </tr> <tr> 
<td><a href="/install/">Installation Guide</a></td> <td><a 
href="/datacollection/">Event Server Overview</a></td> 
 <td><a href="/demo/textclassification/">Text Classification</a></td> <td><a 
href="/sdk/php/">PHP</a></td> </tr> <tr> <td><a 
href="/start/download/">Downloading Template</a></td> <td><a 
href="/datacollection/eventapi/">Collecting Data</a></td> <td><a 
href="/demo/community/">Community Contributed Demo</a></td> <td><a 
href="/sdk/python/">Python</a></td> </tr> <tr> <td><a 
href="/start/deploy/">Deploying an Engine</a></td> <td><a 
href="/customize/">Learning DASE</a></td> <td><a 
href="/machinelearning/dimensionalityreduction/">Dimensionality 
Reduction</a></td> <td><a href="/sdk/ruby/">Ruby</a></td> </tr> <tr> <td><a 
href="/start/customize/">Customizing an Engine</a></td> <td><a 
href="/customize/dase/">Implementing DASE</a></td> <td></td> <td><a 
href="/sdk/community/">Community Contributed</a></td> </tr> <tr> <td><a 
href="/appintegration/">App Integration Overview</a></td> <td><a 
href="/evaluation/">Evaluation Overview</a></td> <td></td> <td></td> </tr> <tr> 
<td></td> <td><a href="/resourc
 es/intellij/">Intellij IDEA Guide</a></td> <td></td> <td></td> </tr> <tr> 
<td></td> <td><a href="/api/current/#package">Scala API</a></td> <td></td> 
<td></td> </tr> </tbody></table> <h2 id='release-notes' 
class='header-anchors'>Release Notes</h2><p>A summary of the changes in each 
release before migrating to Apache Software Foundation are on GitHub <a 
href="https://github.com/PredictionIO/PredictionIO/blob/master/RELEASE.md";>here</a>.</p><h2
 id='licensing' class='header-anchors'>Licensing</h2><p>Apache PredictionIO 
(incubating) is licensed under the Apache License, Version 2.0. See <a 
href="https://github.com/apache/incubator-predictionio/blob/master/LICENSE.txt";>LICENSE</a>
 for the full license text.</p></div></div></div></div><footer><div 
class="container"><div class="seperator"></div><div class="row"><div 
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class="footer-link-column-row"><h4>Community</h4><ul><li><a 
href="//docs.prediction.io/install/" target="blank">Download</a></l
 i><li><a href="//docs.prediction.io/" target="blank">Docs</a></li><li><a 
href="//github.com/apache/incubator-predictionio" 
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 class="col-md-9 col-sm-12"><div class="content-header hidden-md 
hidden-lg"><div id="page-title"><h1>Changing Data Store</h1></div></div><div 
id="table-of-content-wrapper"><h5>On this page</h5><aside 
id="table-of-contents"><ul> <li> <a href="#changing-storage-setup">Changing 
Storage Setup</a> </li> </ul> </aside><hr/><a id="edit-page-link" 
href="https://github.com/apache/incubator-predictionio/tree/livedoc/docs/manual/sour
 ce/install/config-datastore.html.md"><img 
src="/images/icons/edit-pencil-d6c1bb3d.png"/>Edit this page</a></div><div 
class="content-header hidden-sm hidden-xs"><div id="page-title"><h1>Changing 
Data Store</h1></div></div><div class="content"><h1 id='changing-storage-setup' 
class='header-anchors'>Changing Storage Setup</h1><p>PredictionIO relies on a 
data store to store its metadata. At the moment, PredictionIO&#39;s storage 
layer supports <a href="http://www.elasticsearch.org/";>Elasticsearch</a>. Make 
sure you have it running and functioning properly on your computer.</p> <ol> 
<li><p>If you are using Elasticsearch at the localhost and its default 
settings, you may stop here.</p></li> <li><p>Otherwise, change the following in 
<code>conf/pio-env.sh</code> to fit your setup.</p></li> </ol> <div 
class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
-2
-3</pre></td><td class="code"><pre>   <span 
class="nv">PIO_STORAGE_SOURCES_ELASTICSEARCH_TYPE</span><span 
class="o">=</span>elasticsearch
-   <span class="nv">PIO_STORAGE_SOURCES_ELASTICSEARCH_HOSTS</span><span 
class="o">=</span>localhost
-   <span class="nv">PIO_STORAGE_SOURCES_ELASTICSEARCH_PORTS</span><span 
class="o">=</span>9300
-</pre></td></tr></tbody></table> </div> <p>Save <code>conf/pio-env.sh</code> 
and you are done!</p></div></div></div></div><footer><div 
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Template</span></a></li><li class="level-2"><a class="final" 
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Tools</span></a></li></ul></li><li class="level-1"><a class="expandible" href="
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Libraries</span></a></li><li class="level-2"><a class="final" 
href="/algorithm/switch/"><span>Switching to Another 
Algorithm</span></a></li><li class="level-2"><a class="final" 
href="/algorithm/multiple/"><span>Combining Multiple 
Algorithms</span></a></li><li class="level-2"><a class="final" 
href="/algorithm/custom/"><span>Adding Your Own 
Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" 
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PredictionIO (incubating)</h1>
 </div></div><div id="table-of-content-wrapper"><h5>On this page</h5><aside 
id="table-of-contents"><ul> <li> <a href="#prerequisites">Prerequisites</a> 
</li> <li> <a href="#installing-apache-predictionio-incubating">Installing 
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PredictionIO (incubating)</span></li></ul></div><div 
id="page-title"><h1>Installing Apache PredictionIO 
(incubating)</h1></div></div><div class="content"><h2 id='prerequisites' 
class='header-anchors'>Prerequisites</h2><p>It is <strong>very 
important</strong> to meet the minimum ver
 sion of the following technologies that power Apache PredictionIO 
(incubating).</p> <ul> <li>Apache Hadoop 2.4.0 (optional, required only if YARN 
and HDFS are needed)</li> <li>Apache Spark 1.4.0 for Hadoop 2.4</li> <li>Java 
SE Development Kit 7</li> </ul> <p>and one of the following sets:</p> <ul> 
<li>PostgreSQL 9.1</li> </ul> <p>or</p> <ul> <li>MySQL 5.1</li> </ul> <p>or</p> 
<ul> <li>Apache HBase 0.98.6</li> <li>Elasticsearch 1.4.0</li> </ul> <p>If you 
are running on a single machine, we recommend a minimum of 2GB memory.</p><div 
class="alert-message info"><p>If you are using Linux, Apache Spark local mode, 
which is the default operation mode without further configuration, may not 
work. In that case, configure your Apache Spark to run in <a 
href="http://spark.apache.org/docs/latest/spark-standalone.html";>standalone 
cluster mode</a>.</p></div><h2 id='installing-apache-predictionio-(incubating)' 
class='header-anchors'>Installing Apache PredictionIO 
(incubating)</h2><p>Apache Predicti
 onIO (incubating) runs on a Java virtual machine, so it runs on most 
platforms. Choose your platform below:</p> <ul> <li><a 
href="/install/install-sourcecode/">Installing Apache PredictionIO (incubating) 
from Source Code</a></li> </ul> <p>You may also use one of the 
community-contributed packages to install Apache PredictionIO (incubating):</p> 
<ul> <li><a 
href="/community/projects/#docker-installation-for-predictionio">Installing 
Apache PredictionIO (incubating) with Docker</a></li> </ul> <div 
class="alert-message warning"><p><strong>0.8.2 contains schema changes from the 
previous versions, if you have installed the previous versions, you may need to 
clear both HBase and Elasticsearch. See more <a 
href="/resources/upgrade/">here</a>.</strong></p></div></div></div></div></div><footer><div
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href="#"><span>Getting Started</span></a><ul><li class="level-2"><a 
class="final" href="/start/"><span>A Quick Intro</span></a></li><li 
class="level-2"><a class="final" href="/install/"><span>Installing Apache 
PredictionIO (incubating)</span></a></li><li class="level-2"><a class="final" 
href="/start/download/"><span>Downloading an Engine Template</span></a></li><li 
class="level-2"><a class="final" href="/start/deploy/"><span>Deploying Your 
First Engine</span></a></li><li class="level-2"><a class="final" 
href="/start/customize/"><span>Customizing the Engine</sp
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class="level-2"><a class="final" href="/deploy/engineparams/"><span>Setting 
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class="final" href="/customize/"><span>Learning DASE</span></a></li><li 
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APIs</span></a></li></ul></li><li class="level-1"><
 a class="expandible" href="#"><span>Collecting and Analyzing 
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href="/datacollection/"><span>Event Server Overview</span></a></li><li 
class="level-2"><a class="final" href="/cli/#event-server-commands"><span>Event 
Server Command-line Interface</span></a></li><li class="level-2"><a 
class="final" href="/datacollection/eventapi/"><span>Collecting Data with 
REST/SDKs</span></a></li><li class="level-2"><a class="final" 
href="/datacollection/eventmodel/"><span>Events Modeling</span></a></li><li 
class="level-2"><a class="final" 
href="/datacollection/webhooks/"><span>Unifying Multichannel Data with 
Webhooks</span></a></li><li class="level-2"><a class="final" 
href="/datacollection/channel/"><span>Channel</span></a></li><li 
class="level-2"><a class="final" 
href="/datacollection/batchimport/"><span>Importing Data in 
Batch</span></a></li><li class="level-2"><a class="final" 
href="/datacollection/analytics/"><span>Using Analytics Tools</span>
 </a></li></ul></li><li class="level-1"><a class="expandible" 
href="#"><span>Choosing an Algorithm(s)</span></a><ul><li class="level-2"><a 
class="final" href="/algorithm/"><span>Built-in Algorithm 
Libraries</span></a></li><li class="level-2"><a class="final" 
href="/algorithm/switch/"><span>Switching to Another 
Algorithm</span></a></li><li class="level-2"><a class="final" 
href="/algorithm/multiple/"><span>Combining Multiple 
Algorithms</span></a></li><li class="level-2"><a class="final" 
href="/algorithm/custom/"><span>Adding Your Own 
Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" 
href="#"><span>ML Tuning and Evaluation</span></a><ul><li class="level-2"><a 
class="final" href="/evaluation/"><span>Overview</span></a></li><li 
class="level-2"><a class="final" 
href="/evaluation/paramtuning/"><span>Hyperparameter Tuning</span></a></li><li 
class="level-2"><a class="final" 
href="/evaluation/evaluationdashboard/"><span>Evaluation 
Dashboard</span></a></li><li class=
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Help</span></a><ul><li class="level-2"><a class="final" 
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 class="col-md-9 col-sm-12"><div class="content-header hidden-md 
hidden-lg"><div id="page-title"><h1>Installing Apache PredictionIO (incubating) 
on Linux / Mac OS X</h1></div></div><div id="table-of-content-wrapper"><h5>On 
this page</h5><aside id="table-of-contents"><ul> <li> <a href="#manual-ins
 tall">Manual Install</a> </li> </ul> </aside><hr/><a id="edit-page-link" 
href="https://github.com/apache/incubator-predictionio/tree/livedoc/docs/manual/source/install/install-linux.html.md.erb";><img
 src="/images/icons/edit-pencil-d6c1bb3d.png"/>Edit this page</a></div><div 
class="content-header hidden-sm hidden-xs"><div id="page-title"><h1>Installing 
Apache PredictionIO (incubating) on Linux / Mac OS X</h1></div></div><div 
class="content"><h2 id='manual-install' class='header-anchors'>Manual 
Install</h2><p>Follow the steps below to setup Apache PredictionIO (incubating) 
and its dependencies. In these instructions we will assume you are in your home 
directory. Wherever you see <code>/home/abc</code>, replace it with your own 
home directory.</p><h3 id='java' class='header-anchors'>Java</h3><p>Ensure you 
have an appropriate Java version installed. For example:</p><div 
class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td 
class="gutter gl" style="text-align: right"><p
 re class="lineno">1
-2
-3
-4</pre></td><td class="code"><pre><span class="gp">$ </span>java -version
-java version <span class="s2">"1.8.0_40"</span>
-Java<span class="o">(</span>TM<span class="o">)</span> SE Runtime Environment 
<span class="o">(</span>build 1.8.0_40-b25<span class="o">)</span>
-Java HotSpot<span class="o">(</span>TM<span class="o">)</span> 64-Bit Server 
VM <span class="o">(</span>build 25.40-b25, mixed mode<span class="o">)</span>
-</pre></td></tr></tbody></table> </div> <h3 
id='download-apache-predictionio-(incubating)' class='header-anchors'>Download 
Apache PredictionIO (incubating)</h3><p>Download Apache PredictionIO 
(incubating) and extract it.</p><div class="highlight shell"><table 
style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: 
right"><pre class="lineno">1
-2
-3
-4
-5</pre></td><td class="code"><pre><span class="gp">$ </span><span 
class="nb">cd</span>
-<span class="gp">$ </span><span class="nb">pwd</span>
-/home/abc
-<span class="gp">$ </span>wget 
http://download.prediction.io/PredictionIO-0.10.0-incubating.tar.gz
-<span class="gp">$ </span>tar zxvf PredictionIO-0.10.0-incubating.tar.gz
-</pre></td></tr></tbody></table> </div> <div class="alert-message 
note"><p>Download instructions above apply to previous non-Apache releases 
only. Once we have made an Apache release, new instructions will be 
provided.</p></div><h3 id='installing-dependencies' 
class='header-anchors'>Installing Dependencies</h3><p>Let us install 
dependencies inside a subdirectory of the Apache PredictionIO (incubating) 
installation. By following this convention, you can use PredictionIO&#39;s 
default configuration as is.</p><div class="highlight shell"><table 
style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: 
right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ 
</span>mkdir PredictionIO-0.10.0-incubating/vendors
-</pre></td></tr></tbody></table> </div> <h4 id='spark-setup' 
class='header-anchors'>Spark Setup</h4><p><a 
href="http://spark.apache.org";>Apache Spark</a> is the default processing 
engine for PredictionIO. Download and extract it.</p><div class="highlight 
shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" 
style="text-align: right"><pre class="lineno">1
-2</pre></td><td class="code"><pre><span class="gp">$ </span>wget 
http://d3kbcqa49mib13.cloudfront.net/spark-1.5.1-bin-hadoop2.6.tgz
-<span class="gp">$ </span>tar zxvfC spark-1.5.1-bin-hadoop2.6.tgz 
PredictionIO-0.10.0-incubating/vendors
-</pre></td></tr></tbody></table> </div> <div class="alert-message info"><p>If 
you decide to install Apache Spark to another location, you must edit 
<code>PredictionIO-0.10.0-incubating/conf/pio-env.sh</code> and change the 
<code>SPARK_HOME</code> variable to point to your own Apache Spark 
installation.</p></div><h4 id='elasticsearch-setup' 
class='header-anchors'>Elasticsearch Setup</h4><div class="alert-message 
warning"><p>You may skip this section if you are using PostgreSQL or 
MySQL.</p></div><p><a href="http://www.elasticsearch.org/";>Elasticsearch</a> is 
the default metadata store for PredictionIO. Download and extract it.</p><div 
class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
-2</pre></td><td class="code"><pre><span class="gp">$ </span>wget 
https://download.elasticsearch.org/elasticsearch/elasticsearch/elasticsearch-1.4.4.tar.gz
-<span class="gp">$ </span>tar zxvfC elasticsearch-1.4.4.tar.gz 
PredictionIO-0.10.0-incubating/vendors
-</pre></td></tr></tbody></table> </div> <div class="alert-message info"><p>If 
you decide to install Elasticsearch to another location, you must edit 
<code>PredictionIO-0.10.0-incubating/conf/pio-env.sh</code> and change the 
<code>PIO_STORAGE_SOURCES_ELASTICSEARCH_HOME</code> variable to point to your 
own Elasticsearch installation.</p></div><div class="alert-message info"><p>If 
you are using a shared network, change the <code>network.host</code> line in 
<code>PredictionIO-0.10.0-incubating/vendors/elasticsearch-1.4.4/config/elasticsearch.yml</code>
 to <code>network.host: 127.0.0.1</code> because by default, Elasticsearch 
looks for other machines on the network upon setup and you may run into weird 
errors if there are other machines that is also running 
Elasticsearch.</p></div><p>If you are not using the default setting at 
<code>localhost</code>, you may change the following in 
<code>PredictionIO-0.10.0-incubating/conf/pio-env.sh</code> to fit your 
setup.</p><div class="highlight she
 ll"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" 
style="text-align: right"><pre class="lineno">1
-2
-3</pre></td><td class="code"><pre><span 
class="nv">PIO_STORAGE_SOURCES_ELASTICSEARCH_TYPE</span><span 
class="o">=</span>elasticsearch
-<span class="nv">PIO_STORAGE_SOURCES_ELASTICSEARCH_HOSTS</span><span 
class="o">=</span>localhost
-<span class="nv">PIO_STORAGE_SOURCES_ELASTICSEARCH_PORTS</span><span 
class="o">=</span>9300
-</pre></td></tr></tbody></table> </div> <h4 
id='hbase-setup<a-class="anchor"-name="hbase">&nbsp;</a>' 
class='header-anchors' >HBase Setup<a class="anchor" 
name="hbase">&nbsp;</a></h4><div class="alert-message warning"><p>You may skip 
this section if you are using PostgreSQL or MySQL.</p></div><p><a 
href="http://hbase.apache.org";>HBase</a> is the default event data store for 
PredictionIO. Download and extract it.</p><div class="highlight shell"><table 
style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: 
right"><pre class="lineno">1
-2</pre></td><td class="code"><pre><span class="gp">$ </span>wget 
http://archive.apache.org/dist/hbase/hbase-1.0.0/hbase-1.0.0-bin.tar.gz
-<span class="gp">$ </span>tar zxvfC hbase-1.0.0-bin.tar.gz 
PredictionIO-0.10.0-incubating/vendors
-</pre></td></tr></tbody></table> </div> <div class="alert-message info"><p>If 
you decide to install HBase to another location, you must edit 
<code>PredictionIO-0.10.0-incubating/conf/pio-env.sh</code> and change the 
<code>PIO_STORAGE_SOURCES_HBASE_HOME</code> variable to point to your own HBase 
installation.</p></div><p>You will need to at least add a minimal configuration 
to HBase to start it in standalone mode. Details can be found <a 
href="http://hbase.apache.org/book/quickstart.html";>here</a>. Here, we are 
showing a sample minimal configuration.</p><div class="alert-message 
info"><p>For production deployment, run a fully distributed HBase 
configuration.</p></div><p>Edit 
<code>PredictionIO-0.10.0-incubating/vendors/hbase-1.0.0/conf/hbase-site.xml</code>.</p><div
 class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
-2
-3
-4
-5
-6
-7
-8
-9
-10</pre></td><td class="code"><pre>&lt;configuration&gt;
-  &lt;property&gt;
-    &lt;name&gt;hbase.rootdir&lt;/name&gt;
-    
&lt;value&gt;file:///home/abc/PredictionIO-0.10.0-incubating/vendors/hbase-1.0.0/data&lt;/value&gt;
-  &lt;/property&gt;
-  &lt;property&gt;
-    &lt;name&gt;hbase.zookeeper.property.dataDir&lt;/name&gt;
-    
&lt;value&gt;/home/abc/PredictionIO-0.10.0-incubating/vendors/hbase-1.0.0/zookeeper&lt;/value&gt;
-  &lt;/property&gt;
-&lt;/configuration&gt;
-</pre></td></tr></tbody></table> </div> <div class="alert-message 
info"><p>HBase will create <code>hbase.rootdir</code> automatically to store 
its data.</p></div><p>Edit 
<code>PredictionIO-0.10.0-incubating/vendors/hbase-1.0.0/conf/hbase-env.sh</code>
 to set <code>JAVA_HOME</code> for the cluster. For example:</p><div 
class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td 
class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td 
class="code"><pre><span class="nb">export </span><span 
class="nv">JAVA_HOME</span><span 
class="o">=</span>/usr/lib/jvm/java-8-oracle/jre
-</pre></td></tr></tbody></table> </div> <p>For Mac users, use this instead 
(change <code>1.8</code> to <code>1.7</code> if you have Java 7 
installed):</p><div class="highlight shell"><table style="border-spacing: 
0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre 
class="lineno">1</pre></td><td class="code"><pre><span class="nb">export 
</span><span class="nv">JAVA_HOME</span><span class="o">=</span><span 
class="sb">`</span>/usr/libexec/java_home -v 1.8<span class="sb">`</span>
-</pre></td></tr></tbody></table> </div> <p>In addition, you must set your 
environment variable <code>JAVA_HOME</code>. For example, in 
<code>/home/abc/.bashrc</code> add the following line:</p><div class="highlight 
shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" 
style="text-align: right"><pre class="lineno">1</pre></td><td 
class="code"><pre><span class="nb">export </span><span 
class="nv">JAVA_HOME</span><span class="o">=</span>/usr/lib/jvm/java-8-oracle
-</pre></td></tr></tbody></table> </div> <h3 
id='start-predictionio-and-dependent-services' class='header-anchors'>Start 
PredictionIO and Dependent Services</h3><div class="alert-message 
warning"><p>If you are using PostgreSQL or MySQL, skip 
<code>pio-start-all</code> and <code>pio-stop-all</code>, and do 
<code>PredictionIO-0.10.0-incubating/bin/pio eventserver &amp;</code> 
instead.</p></div><p>Simply do 
<code>PredictionIO-0.10.0-incubating/bin/pio-start-all</code> and you should 
see something similar to the following:</p><div class="highlight shell"><table 
style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: 
right"><pre class="lineno">1
-2
-3
-4
-5
-6
-7</pre></td><td class="code"><pre><span class="gp">$ 
</span>PredictionIO-0.10.0-incubating/bin/pio-start-all
-Starting Elasticsearch...
-Starting HBase...
-starting master, logging to 
/home/abc/PredictionIO-0.10.0-incubating/vendors/hbase-1.0.0/bin/../logs/hbase-abc-master-yourhost.local.out
-Waiting 10 seconds <span class="k">for </span>HBase to fully initialize...
-Starting PredictionIO Event Server...
-<span class="err">$</span>
-</pre></td></tr></tbody></table> </div> <p>You may use <code>jps</code> to 
verify that you have everything started:</p><div class="highlight shell"><table 
style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: 
right"><pre class="lineno">1
-2
-3
-4
-5
-6</pre></td><td class="code"><pre><span class="gp">$ </span>jps -l
-15344 org.apache.hadoop.hbase.master.HMaster
-15409 org.apache.predictionio.tools.console.Console
-15256 org.elasticsearch.bootstrap.Elasticsearch
-15469 sun.tools.jps.Jps
-<span class="err">$</span>
-</pre></td></tr></tbody></table> </div> <p>A running setup will have these up 
and running:</p> <ul> <li>org.apache.predictionio.tools.console.Console</li> 
<li>org.apache.hadoop.hbase.master.HMaster</li> 
<li>org.elasticsearch.bootstrap.Elasticsearch</li> </ul> <p>At any time, you 
can run <code>PredictionIO-0.10.0-incubating/bin/pio status</code> to check the 
status of the dependencies.</p><p>Now you have installed everything you 
need!</p><p>You can proceed to <a href="/start/download">Choosing an Engine 
Template</a>, or continue the QuickStart guide of the Engine template if you 
have already chosen one.</p> </div></div></div></div><footer><div 
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