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href="#">Resources</a><span class="spacer">&gt;</span></li><li><span 
class="last">Release Cadence</span></li></ul></div><div 
id="page-title"><h1>Release Cadence</h1></div></div><div 
id="table-of-content-wrapper"><h5>On this page</h5><aside id="table
 -of-contents"><ul> <li> <a href="#versions">Versions</a> </li> <li> <a 
href="#release-cadence">Release Cadence</a> </li> </ul> </aside><hr/><a 
id="edit-page-link" 
href="https://github.com/apache/incubator-predictionio/tree/livedoc/docs/manual/source/resources/release.html.md";><img
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class="content-header hidden-sm hidden-xs"><div id="breadcrumbs" 
class="hidden-sm hidden xs"><ul><li><a href="#">Resources</a><span 
class="spacer">&gt;</span></li><li><span class="last">Release 
Cadence</span></li></ul></div><div id="page-title"><h1>Release 
Cadence</h1></div></div><div class="content"> <h2 id='versions' 
class='header-anchors'>Versions</h2><p>Each PIO release will be versioned: 
<code>&lt;MAJOR&gt;</code>.<code>&lt;FEATURE&gt;</code>.<code>&lt;MAINTENANCE&gt;</code></p>
 <ul> <li><strong>MAJOR</strong>: Major releases are not on any particular 
cadence. Major releases are likely to be stable over a long period (one year 
 or more)</li> <li><strong>FEATURE</strong>: We are targeting new feature 
releases every two months and will include new features, improvements and bug 
fixes</li> <li><strong>MAINTENANCE</strong>: This is reserved for urgent bug 
fixes on the current release</li> </ul> <h2 id='release-cadence' 
class='header-anchors'>Release Cadence</h2><p>Feature releases will occur every 
two months. Maintenance releases will be ad-hoc, as needed.</p> <ul> <li>At the 
beginning of each release, committers nominate features for the upcoming 
release</li> <li>At end of week, share JIRA link with dev user group to invite 
comments on the list</li> <li>Committers modify the target list as necessary 
after comments are integrated and assign them to devs</li> </ul> 
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class="level-2"><a class="final" href="/start/customize/"><span>Customizing the 
Engine</span></a></li></ul></li><li class="level-1"><a class="expandible" 
href="#"><span>Integrating with Your App</span></a><ul><li class="level-2"><a 
class="fi
 nal" href="/appintegration/"><span>App Integration Overview</span></a></li><li 
class="level-2"><a class="expandible" href="/sdk/"><span>List of 
SDKs</span></a><ul><li class="level-3"><a class="final" 
href="/sdk/java/"><span>Java & Android SDK</span></a></li><li 
class="level-3"><a class="final" href="/sdk/php/"><span>PHP 
SDK</span></a></li><li class="level-3"><a class="final" 
href="/sdk/python/"><span>Python SDK</span></a></li><li class="level-3"><a 
class="final" href="/sdk/ruby/"><span>Ruby SDK</span></a></li><li 
class="level-3"><a class="final" href="/sdk/community/"><span>Community Powered 
SDKs</span></a></li></ul></li></ul></li><li class="level-1"><a 
class="expandible" href="#"><span>Deploying an Engine</span></a><ul><li 
class="level-2"><a class="final" href="/deploy/"><span>Deploying as a Web 
Service</span></a></li><li class="level-2"><a class="final" 
href="/batchpredict/"><span>Batch Predictions</span></a></li><li 
class="level-2"><a class="final" href="/deploy/monitoring/"><spa
 n>Monitoring Engine</span></a></li><li class="level-2"><a class="final" 
href="/deploy/engineparams/"><span>Setting Engine Parameters</span></a></li><li 
class="level-2"><a class="final" href="/deploy/enginevariants/"><span>Deploying 
Multiple Engine Variants</span></a></li><li class="level-2"><a class="final" 
href="/deploy/plugin/"><span>Engine Server Plugin</span></a></li></ul></li><li 
class="level-1"><a class="expandible" href="#"><span>Customizing an 
Engine</span></a><ul><li class="level-2"><a class="final" 
href="/customize/"><span>Learning DASE</span></a></li><li class="level-2"><a 
class="final" href="/customize/dase/"><span>Implement DASE</span></a></li><li 
class="level-2"><a class="final" 
href="/customize/troubleshooting/"><span>Troubleshooting Engine 
Development</span></a></li><li class="level-2"><a class="final" 
href="/api/current/#package"><span>Engine Scala 
APIs</span></a></li></ul></li><li class="level-1"><a class="expandible" 
href="#"><span>Collecting and Analyzing Data</s
 pan></a><ul><li class="level-2"><a class="final" 
href="/datacollection/"><span>Event Server Overview</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><li class="level-2"><a class="final" 
href="/datacollection/plugin/"><span>Event Server 
Plugin</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="level-2"><a class="final" 
href="/evaluation/metricchoose/"><span>Choosing Evaluation Me
 trics</span></a></li><li class="level-2"><a class="final" 
href="/evaluation/metricbuild/"><span>Building Evaluation 
Metrics</span></a></li></ul></li><li class="level-1"><a class="expandible" 
href="#"><span>System Architecture</span></a><ul><li class="level-2"><a 
class="final" href="/system/"><span>Architecture Overview</span></a></li><li 
class="level-2"><a class="final" href="/system/anotherdatastore/"><span>Using 
Another Data Store</span></a></li></ul></li><li class="level-1"><a 
class="expandible" href="#"><span>PredictionIO® Official 
Templates</span></a><ul><li class="level-2"><a class="final" 
href="/templates/"><span>Intro</span></a></li><li class="level-2"><a 
class="expandible" href="#"><span>Recommendation</span></a><ul><li 
class="level-3"><a class="final" 
href="/templates/recommendation/quickstart/"><span>Quick 
Start</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/dase/"><span>DASE</span></a></li><li 
class="level-3"><a class="final" href="/
 templates/recommendation/evaluation/"><span>Evaluation 
Explained</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/how-to/"><span>How-To</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/recommendation/reading-custom-events/"><span>Read Custom 
Events</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/customize-data-prep/"><span>Customize Data 
Preparator</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/customize-serving/"><span>Customize 
Serving</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/training-with-implicit-preference/"><span>Train 
with Implicit Preference</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/blacklist-items/"><span>Filter Recommended 
Items by Blacklist in Query</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/batch-evaluator/"><span>Batch P
 ersistable Evaluator</span></a></li></ul></li><li class="level-2"><a 
class="expandible" href="#"><span>E-Commerce Recommendation</span></a><ul><li 
class="level-3"><a class="final" 
href="/templates/ecommercerecommendation/quickstart/"><span>Quick 
Start</span></a></li><li class="level-3"><a class="final" 
href="/templates/ecommercerecommendation/dase/"><span>DASE</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/ecommercerecommendation/how-to/"><span>How-To</span></a></li><li
 class="level-3"><a class="final" 
href="/templates/ecommercerecommendation/train-with-rate-event/"><span>Train 
with Rate Event</span></a></li><li class="level-3"><a class="final" 
href="/templates/ecommercerecommendation/adjust-score/"><span>Adjust 
Score</span></a></li></ul></li><li class="level-2"><a class="expandible" 
href="#"><span>Similar Product</span></a><ul><li class="level-3"><a 
class="final" href="/templates/similarproduct/quickstart/"><span>Quick 
Start</span></a></li><li class="level-3">
 <a class="final" 
href="/templates/similarproduct/dase/"><span>DASE</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/similarproduct/how-to/"><span>How-To</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/similarproduct/multi-events-multi-algos/"><span>Multiple 
Events and Multiple Algorithms</span></a></li><li class="level-3"><a 
class="final" 
href="/templates/similarproduct/return-item-properties/"><span>Returns Item 
Properties</span></a></li><li class="level-3"><a class="final" 
href="/templates/similarproduct/train-with-rate-event/"><span>Train with Rate 
Event</span></a></li><li class="level-3"><a class="final" 
href="/templates/similarproduct/rid-user-set-event/"><span>Get Rid of Events 
for Users</span></a></li><li class="level-3"><a class="final" 
href="/templates/similarproduct/recommended-user/"><span>Recommend 
Users</span></a></li></ul></li><li class="level-2"><a class="expandible" 
href="#"><span>Classification</span></a><ul><li class="level-
 3"><a class="final" href="/templates/classification/quickstart/"><span>Quick 
Start</span></a></li><li class="level-3"><a class="final" 
href="/templates/classification/dase/"><span>DASE</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/classification/how-to/"><span>How-To</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/classification/add-algorithm/"><span>Use Alternative 
Algorithm</span></a></li><li class="level-3"><a class="final" 
href="/templates/classification/reading-custom-properties/"><span>Read Custom 
Properties</span></a></li></ul></li></ul></li><li class="level-1"><a 
class="expandible" href="#"><span>Engine Template Gallery</span></a><ul><li 
class="level-2"><a class="final" 
href="/gallery/template-gallery/"><span>Browse</span></a></li><li 
class="level-2"><a class="final" 
href="/community/submit-template/"><span>Submit your Engine as a 
Template</span></a></li></ul></li><li class="level-1"><a class="expandible" 
href="#"><span>Demo Tutori
 als</span></a><ul><li class="level-2"><a class="final" 
href="/demo/tapster/"><span>Comics Recommendation Demo</span></a></li><li 
class="level-2"><a class="final" href="/demo/community/"><span>Community 
Contributed Demo</span></a></li><li class="level-2"><a class="final" 
href="/demo/textclassification/"><span>Text Classification Engine 
Tutorial</span></a></li></ul></li><li class="level-1"><a class="expandible" 
href="/community/"><span>Getting Involved</span></a><ul><li class="level-2"><a 
class="final" href="/community/contribute-code/"><span>Contribute 
Code</span></a></li><li class="level-2"><a class="final" 
href="/community/contribute-documentation/"><span>Contribute 
Documentation</span></a></li><li class="level-2"><a class="final" 
href="/community/contribute-sdk/"><span>Contribute a SDK</span></a></li><li 
class="level-2"><a class="final" 
href="/community/contribute-webhook/"><span>Contribute a 
Webhook</span></a></li><li class="level-2"><a class="final" 
href="/community/projects/"><
 span>Community Projects</span></a></li></ul></li><li class="level-1"><a 
class="expandible" href="#"><span>Getting Help</span></a><ul><li 
class="level-2"><a class="final" 
href="/resources/faq/"><span>FAQs</span></a></li><li class="level-2"><a 
class="final" href="/support/"><span>Support</span></a></li></ul></li><li 
class="level-1"><a class="expandible" 
href="#"><span>Resources</span></a><ul><li class="level-2"><a class="final" 
href="/cli/"><span>Command-line Interface</span></a></li><li class="level-2"><a 
class="final" href="/resources/release/"><span>Release 
Cadence</span></a></li><li class="level-2"><a class="final" 
href="/resources/intellij/"><span>Developing Engines with IntelliJ 
IDEA</span></a></li><li class="level-2"><a class="final active" 
href="/resources/upgrade/"><span>Upgrade Instructions</span></a></li><li 
class="level-2"><a class="final" 
href="/resources/glossary/"><span>Glossary</span></a></li></ul></li><li 
class="level-1"><a class="expandible" href="#"><span>Apache Sof
 tware Foundation</span></a><ul><li class="level-2"><a class="final" 
href="https://www.apache.org/";><span>Apache Homepage</span></a></li><li 
class="level-2"><a class="final" 
href="https://www.apache.org/licenses/";><span>License</span></a></li><li 
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 class="level-2"><a class="final" 
href="https://www.apache.org/foundation/thanks.html";><span>Thanks</span></a></li><li
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href="https://www.apache.org/security/";><span>Security</span></a></li></ul></li></ul></nav></div><div
 class="col-md-9 col-sm-12"><div class="content-header hidden-md 
hidden-lg"><div id="breadcrumbs" class="hidden-sm hidden xs"><ul><li><a 
href="#">Resources</a><span class="spacer">&gt;</span></li><li><span 
class="last">Upgrade Instructions</span></li></ul></div><div 
id="page-title"><h1>Upgrade Instructions</h1></div></div><div 
id="table-of-content-wrapper"><h5>On this 
 page</h5><aside id="table-of-contents"><ul> <li> <a href="#how-to-upgrade">How 
to Upgrade</a> </li> <li> <a 
href="#additional-notes-for-specific-versions-upgrade">Additional Notes for 
Specific Versions Upgrade</a> <ul> <li> <a href="#upgrade-to-0-12-0">Upgrade to 
0.12.0</a> </li> <li> <a href="#upgrade-to-0-11-0">Upgrade to 0.11.0</a> </li> 
<li> <a href="#upgrade-to-0-9-2">Upgrade to 0.9.2</a> </li> <li> <a 
href="#upgrade-to-0-9-0">Upgrade to 0.9.0</a> </li> <li> <a 
href="#upgrade-to-0-8-4">Upgrade to 0.8.4</a> </li> <li> <a 
href="#upgrade-from-0-8-2-to-0-8-3">Upgrade from 0.8.2 to 0.8.3</a> </li> <li> 
<a href="#schema-changes-in-0-8-2">Schema Changes in 0.8.2</a> </li> <li> <a 
href="#experimental-upgrade-tool-upgrade-hbase-schema-from-0-8-0-0-8-1-to-0-8-2">Experimental
 upgrade tool (Upgrade HBase schema from 0.8.0/0.8.1 to 0.8.2)</a> </li> </ul> 
</li> </ul> </aside><hr/><a id="edit-page-link" 
href="https://github.com/apache/incubator-predictionio/tree/livedoc/docs/manual/source/res
 ources/upgrade.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="breadcrumbs" 
class="hidden-sm hidden xs"><ul><li><a href="#">Resources</a><span 
class="spacer">&gt;</span></li><li><span class="last">Upgrade 
Instructions</span></li></ul></div><div id="page-title"><h1>Upgrade 
Instructions</h1></div></div><div class="content"> <p>This page highlights 
major changes in each version and upgrade tools.</p><h1 id='how-to-upgrade' 
class='header-anchors'>How to Upgrade</h1><p>To upgrade and use new version of 
PredictionIO, do the following:</p> <ul> <li>Download and build the new 
PredictionIO binary <a 
href="/install/install-sourcecode/">(instructions)</a>.</li> <li>Retain the 
setting from current <code>PredictionIO/conf/pio-env.sh</code> to the new 
<code>PredictionIO/conf/pio-env.sh</code>.</li> <li>If you have added 
<code>PredictionIO/bin</code> to your <code>PATH</code> environment variable 
before, c
 hange it to the new <code>PredictionIO/bin</code> as well.</li> </ul> <h1 
id='additional-notes-for-specific-versions-upgrade' 
class='header-anchors'>Additional Notes for Specific Versions Upgrade</h1><p>In 
addition, please take notes of the following for specific version 
upgrade.</p><h2 id='upgrade-to-0.12.0' class='header-anchors'>Upgrade to 
0.12.0</h2><p>In 0.12.0, Elasticsearch 5.x client has been reimplemented as a 
singleton. Engine templates directly using Elasticsearch 5.x StorageClient 
require update for compatibility. See <a 
href="https://github.com/apache/incubator-predictionio/pull/421";>pull 
request</a> for details.</p><h2 id='upgrade-to-0.11.0' 
class='header-anchors'>Upgrade to 0.11.0</h2><p>Starting from 0.11.0, 
PredictionIO no longer bundles any JDBC drivers in the binary assembly. If your 
setup is using a JDBC backend and you run into storage connection errors after 
an upgrade, please manually install the JDBC driver. If you use PostgreSQL, you 
can find instructions <a
  href="/install/install-sourcecode#pgsql">here</a>.</p><h2 
id='upgrade-to-0.9.2' class='header-anchors'>Upgrade to 0.9.2</h2><p>The Spark 
dependency has been upgraded to version 1.3.0. All engines must be rebuilt 
against it in order to work.</p><p>Open and edit <code>build.sbt</code> of your 
engine, and look for these two lines:</p><div class="highlight scala"><table 
style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: 
right"><pre class="lineno">1
+<!DOCTYPE html><html><head><title>Upgrade Instructions</title><meta 
charset="utf-8"/><meta content="IE=edge,chrome=1" 
http-equiv="X-UA-Compatible"/><meta name="viewport" 
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PredictionIO" id="logo" 
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Docs</p><h4>Upgrade Instructions</h4></div><h4 class="hidden-sm 
hidden-xs">PredictionIO Docs</h4></div><div class="col-md-3 col-sm-1 col-xs-1 
hidden-md hidden-lg"><img id="left-menu-indicator" 
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class="row"><div id="left-menu-wrapper" class="col-md-3"
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 >class="level-2"><a class="final" href="/"><span>Welcome to Apache 
 >PredictionIO®</span></a></li></ul></li><li class="level-1"><a 
 >class="expandible" 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" 
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 >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</span></a></li></ul></li><li class="level-1"><a class="expandible" 
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 >class="final" href=
 "/appintegration/"><span>App Integration Overview</span></a></li><li 
class="level-2"><a class="expandible" href="/sdk/"><span>List of 
SDKs</span></a><ul><li class="level-3"><a class="final" 
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SDK</span></a></li><li class="level-3"><a class="final" 
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class="level-3"><a class="final" href="/sdk/community/"><span>Community Powered 
SDKs</span></a></li></ul></li></ul></li><li class="level-1"><a 
class="expandible" href="#"><span>Deploying an Engine</span></a><ul><li 
class="level-2"><a class="final" href="/deploy/"><span>Deploying as a Web 
Service</span></a></li><li class="level-2"><a class="final" 
href="/batchpredict/"><span>Batch Predictions</span></a></li><li 
class="level-2"><a class="final" href="/deploy/monitoring/"><span>Monitori
 ng Engine</span></a></li><li class="level-2"><a class="final" 
href="/deploy/engineparams/"><span>Setting Engine Parameters</span></a></li><li 
class="level-2"><a class="final" href="/deploy/enginevariants/"><span>Deploying 
Multiple Engine Variants</span></a></li><li class="level-2"><a class="final" 
href="/deploy/plugin/"><span>Engine Server Plugin</span></a></li></ul></li><li 
class="level-1"><a class="expandible" href="#"><span>Customizing an 
Engine</span></a><ul><li class="level-2"><a class="final" 
href="/customize/"><span>Learning DASE</span></a></li><li class="level-2"><a 
class="final" href="/customize/dase/"><span>Implement DASE</span></a></li><li 
class="level-2"><a class="final" 
href="/customize/troubleshooting/"><span>Troubleshooting Engine 
Development</span></a></li><li class="level-2"><a class="final" 
href="/api/current/#package"><span>Engine Scala 
APIs</span></a></li></ul></li><li class="level-1"><a class="expandible" 
href="#"><span>Collecting and Analyzing Data</span></a><u
 l><li class="level-2"><a class="final" href="/datacollection/"><span>Event 
Server Overview</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><li class="level-2"><a class="final" 
href="/datacollection/plugin/"><span>Event Server 
Plugin</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 
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href="#">Resources</a><span class="spacer">&gt;</span></li><li><span 
class="last">Upgrade Instructions</span></li></ul></div><div 
id="page-title"><h1>Upgrade Instructions</h1></div></div><div 
id="table-of-content-wrapper"><h5>On this page</h5><
 aside id="table-of-contents"><ul> <li> <a href="#how-to-upgrade">How to 
Upgrade</a> </li> <li> <a 
href="#additional-notes-for-specific-versions-upgrade">Additional Notes for 
Specific Versions Upgrade</a> <ul> <li> <a href="#upgrade-to-0-12-0">Upgrade to 
0.12.0</a> </li> <li> <a href="#upgrade-to-0-11-0">Upgrade to 0.11.0</a> </li> 
<li> <a href="#upgrade-to-0-9-2">Upgrade to 0.9.2</a> </li> <li> <a 
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href="#upgrade-to-0-8-4">Upgrade to 0.8.4</a> </li> <li> <a 
href="#upgrade-from-0-8-2-to-0-8-3">Upgrade from 0.8.2 to 0.8.3</a> </li> <li> 
<a href="#schema-changes-in-0-8-2">Schema Changes in 0.8.2</a> </li> <li> <a 
href="#experimental-upgrade-tool-upgrade-hbase-schema-from-0-8-0-0-8-1-to-0-8-2">Experimental
 upgrade tool (Upgrade HBase schema from 0.8.0/0.8.1 to 0.8.2)</a> </li> </ul> 
</li> </ul> </aside><hr/><a id="edit-page-link" 
href="https://github.com/apache/predictionio/tree/livedoc/docs/manual/source/resources/upgrade.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="breadcrumbs" class="hidden-sm hidden xs"><ul><li><a 
href="#">Resources</a><span class="spacer">&gt;</span></li><li><span 
class="last">Upgrade Instructions</span></li></ul></div><div 
id="page-title"><h1>Upgrade Instructions</h1></div></div><div class="content"> 
<p>This page highlights major changes in each version and upgrade tools.</p><h1 
id='how-to-upgrade' class='header-anchors'>How to Upgrade</h1><p>To upgrade and 
use new version of PredictionIO, do the following:</p> <ul> <li>Download and 
build the new PredictionIO binary <a 
href="/install/install-sourcecode/">(instructions)</a>.</li> <li>Retain the 
setting from current <code>PredictionIO/conf/pio-env.sh</code> to the new 
<code>PredictionIO/conf/pio-env.sh</code>.</li> <li>If you have added 
<code>PredictionIO/bin</code> to your <code>PATH</code> environment variable 
before, change it to the new 
 <code>PredictionIO/bin</code> as well.</li> </ul> <h1 
id='additional-notes-for-specific-versions-upgrade' 
class='header-anchors'>Additional Notes for Specific Versions Upgrade</h1><p>In 
addition, please take notes of the following for specific version 
upgrade.</p><h2 id='upgrade-to-0.12.0' class='header-anchors'>Upgrade to 
0.12.0</h2><p>In 0.12.0, Elasticsearch 5.x client has been reimplemented as a 
singleton. Engine templates directly using Elasticsearch 5.x StorageClient 
require update for compatibility. See <a 
href="https://github.com/apache/predictionio/pull/421";>pull request</a> for 
details.</p><h2 id='upgrade-to-0.11.0' class='header-anchors'>Upgrade to 
0.11.0</h2><p>Starting from 0.11.0, PredictionIO no longer bundles any JDBC 
drivers in the binary assembly. If your setup is using a JDBC backend and you 
run into storage connection errors after an upgrade, please manually install 
the JDBC driver. If you use PostgreSQL, you can find instructions <a 
href="/install/install-source
 code#pgsql">here</a>.</p><h2 id='upgrade-to-0.9.2' 
class='header-anchors'>Upgrade to 0.9.2</h2><p>The Spark dependency has been 
upgraded to version 1.3.0. All engines must be rebuilt against it in order to 
work.</p><p>Open and edit <code>build.sbt</code> of your engine, and look for 
these two lines:</p><div class="highlight scala"><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="s">"org.apache.spark"</span> 
<span class="o">%%</span> <span class="s">"spark-core"</span>    <span 
class="o">%</span> <span class="s">"1.2.0"</span> <span class="o">%</span> 
<span class="s">"provided"</span>
 
@@ -270,7 +270,7 @@ assembly.sbt  pio-build.sbt
 <span class="gp">$ </span><span class="nb">source </span>conf/pio-env.sh
 <span class="gp">$ </span><span class="nb">set</span> +a
 <span class="gp">$ </span>sbt/sbt <span class="s2">"data/run-main 
org.apache.predictionio.data.storage.hbase.upgrade.Upgrade &lt;from app 
ID&gt;"</span> <span class="s2">"&lt;to app ID&gt;"</span>
-</pre></td></tr></tbody></table> </div> </div></div></div></div><footer><div 
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