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From zjf...@apache.org
Subject svn commit: r1867691 [34/41] - in /zeppelin/site: docs/0.8.2/ docs/0.8.2/assets/ docs/0.8.2/assets/themes/ docs/0.8.2/assets/themes/zeppelin/ docs/0.8.2/assets/themes/zeppelin/bootstrap/ docs/0.8.2/assets/themes/zeppelin/bootstrap/css/ docs/0.8.2/asset...
Date Sun, 29 Sep 2019 07:08:15 GMT
Added: zeppelin/site/docs/0.8.2/usage/interpreter/dynamic_loading.html
URL: http://svn.apache.org/viewvc/zeppelin/site/docs/0.8.2/usage/interpreter/dynamic_loading.html?rev=1867691&view=auto
==============================================================================
--- zeppelin/site/docs/0.8.2/usage/interpreter/dynamic_loading.html (added)
+++ zeppelin/site/docs/0.8.2/usage/interpreter/dynamic_loading.html Sun Sep 29 07:08:10 2019
@@ -0,0 +1,385 @@
+
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <title>Apache Zeppelin 0.8.0 Documentation: Dynamic Interpreter Loading using REST API</title>
+    <meta name="description" content="Apache Zeppelin provides pluggable interpreter architecture which results in a wide and variety of the supported backend system. In this page, we will introduce dynamic interpreter loading using REST API.">
+    <meta name="author" content="The Apache Software Foundation">
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+              <a href="#" data-toggle="dropdown" class="dropdown-toggle">Quick Start <b class="caret"></b></a>
+              <ul class="dropdown-menu">
+                <li class="title"><span>Getting Started</span></li>
+                <li><a href="/docs/0.8.0/quickstart/install.html">Install</a></li>
+                <li><a href="/docs/0.8.0/quickstart/explore_ui.html">Explore UI</a></li>
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+                <li><a href="/docs/0.8.0/quickstart/python_with_zeppelin.html">Python with Zeppelin</a></li>
+              </ul>
+            </li>
+
+            <li>
+              <a href="#" data-toggle="dropdown" class="dropdown-toggle">Usage<b class="caret"></b></a>
+              <ul class="dropdown-menu scrollable-menu">
+                <li class="title"><span>Dynamic Form</span></li>
+                <li><a href="/docs/0.8.0/usage/dynamic_form/intro.html">What is Dynamic Form?</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Display System</span></li>
+                <li><a href="/docs/0.8.0/usage/display_system/basic.html#text">Text Display</a></li>
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+                <li><a href="/docs/0.8.0/usage/display_system/basic.html#network">Network Display</a></li>
+                <li><a href="/docs/0.8.0/usage/display_system/angular_backend.html">Angular Display using Backend API</a></li>
+                <li><a href="/docs/0.8.0/usage/display_system/angular_frontend.html">Angular Display using Frontend API</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Interpreter</span></li>
+                <li><a href="/docs/0.8.0/usage/interpreter/overview.html">Overview</a></li>
+                <li><a href="/docs/0.8.0/usage/interpreter/interpreter_binding_mode.html">Interpreter Binding Mode</a></li>
+                <li><a href="/docs/0.8.0/usage/interpreter/user_impersonation.html">User Impersonation</a></li>
+                <li><a href="/docs/0.8.0/usage/interpreter/dependency_management.html">Dependency Management</a></li>
+                <li><a href="/docs/0.8.0/usage/interpreter/installation.html">Installing Interpreters</a></li>
+                <!--<li><a href="/docs/0.8.0/usage/interpreter/dynamic_loading.html">Dynamic Interpreter Loading (Experimental)</a></li>-->
+                <li><a href="/docs/0.8.0/usage/interpreter/execution_hooks.html">Execution Hooks (Experimental)</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Other Features</span></li>
+                <li><a href="/docs/0.8.0/usage/other_features/publishing_paragraphs.html">Publishing Paragraphs</a></li>
+                <li><a href="/docs/0.8.0/usage/other_features/personalized_mode.html">Personalized Mode</a></li>
+                <li><a href="/docs/0.8.0/usage/other_features/customizing_homepage.html">Customizing Zeppelin Homepage</a></li>
+                <li><a href="/docs/0.8.0/usage/other_features/notebook_actions.html">Notebook Actions</a></li>
+                <li><a href="/docs/0.8.0/usage/other_features/cron_scheduler.html">Cron Scheduler</a></li>
+                <li><a href="/docs/0.8.0/usage/other_features/zeppelin_context.html">Zeppelin Context</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>REST API</span></li>
+                <li><a href="/docs/0.8.0/usage/rest_api/interpreter.html">Interpreter API</a></li>
+                <li><a href="/docs/0.8.0/usage/rest_api/zeppelin_server.html">Zeppelin Server API</a></li>
+                <li><a href="/docs/0.8.0/usage/rest_api/notebook.html">Notebook API</a></li>
+                <li><a href="/docs/0.8.0/usage/rest_api/notebook_repository.html">Notebook Repository API</a></li>
+                <li><a href="/docs/0.8.0/usage/rest_api/configuration.html">Configuration API</a></li>
+                <li><a href="/docs/0.8.0/usage/rest_api/credential.html">Credential API</a></li>
+                <li><a href="/docs/0.8.0/usage/rest_api/helium.html">Helium API</a></li>
+              </ul>
+            </li>
+
+            <li>
+              <a href="#" data-toggle="dropdown" class="dropdown-toggle">Setup<b class="caret"></b></a>
+              <ul class="dropdown-menu scrollable-menu">
+                <li class="title"><span>Basics</span></li>
+                <li><a href="/docs/0.8.0/setup/basics/how_to_build.html">How to Build Zeppelin</a></li>
+                <li><a href="/docs/0.8.0/setup/basics/multi_user_support.html">Multi-user Support</a></li>
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+                <li class="title"><span>Deployment</span></li>
+                <!--<li><a href="/docs/0.8.0/setup/deployment/docker.html">Docker Image for Zeppelin</a></li>-->
+                <li><a href="/docs/0.8.0/setup/deployment/spark_cluster_mode.html#spark-standalone-mode">Spark Cluster Mode: Standalone</a></li>
+                <li><a href="/docs/0.8.0/setup/deployment/spark_cluster_mode.html#spark-on-yarn-mode">Spark Cluster Mode: YARN</a></li>
+                <li><a href="/docs/0.8.0/setup/deployment/spark_cluster_mode.html#spark-on-mesos-mode">Spark Cluster Mode: Mesos</a></li>
+                <li><a href="/docs/0.8.0/setup/deployment/flink_and_spark_cluster.html">Zeppelin with Flink, Spark Cluster</a></li>
+                <li><a href="/docs/0.8.0/setup/deployment/cdh.html">Zeppelin on CDH</a></li>
+                <li><a href="/docs/0.8.0/setup/deployment/virtual_machine.html">Zeppelin on VM: Vagrant</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Security</span></li>
+                <li><a href="/docs/0.8.0/setup/security/authentication_nginx.html">HTTP Basic Auth using NGINX</a></li>
+                <li><a href="/docs/0.8.0/setup/security/shiro_authentication.html">Shiro Authentication</a></li>
+                <li><a href="/docs/0.8.0/setup/security/notebook_authorization.html">Notebook Authorization</a></li>
+                <li><a href="/docs/0.8.0/setup/security/datasource_authorization.html">Data Source Authorization</a></li>
+                <li><a href="/docs/0.8.0/setup/security/http_security_headers.html">HTTP Security Headers</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Notebook Storage</span></li>
+                <li><a href="/docs/0.8.0/setup/storage/storage.html#notebook-storage-in-local-git-repository">Git Storage</a></li>
+                <li><a href="/docs/0.8.0/setup/storage/storage.html#notebook-storage-in-s3">S3 Storage</a></li>
+                <li><a href="/docs/0.8.0/setup/storage/storage.html#notebook-storage-in-azure">Azure Storage</a></li>
+                <li><a href="/docs/0.8.0/setup/storage/storage.html#notebook-storage-in-zeppelinhub">ZeppelinHub Storage</a></li>
+                <li><a href="/docs/0.8.0/setup/storage/storage.html#notebook-storage-in-mongodb">MongoDB Storage</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Operation</span></li>
+                <li><a href="/docs/0.8.0/setup/operation/configuration.html">Configuration</a></li>
+                <li><a href="/docs/0.8.0/setup/operation/proxy_setting.html">Proxy Setting</a></li>
+                <li><a href="/docs/0.8.0/setup/operation/upgrading.html">Upgrading</a></li>
+                <li><a href="/docs/0.8.0/setup/operation/trouble_shooting.html">Trouble Shooting</a></li>
+              </ul>
+            </li>
+
+            <li>
+              <a href="#" data-toggle="dropdown" class="dropdown-toggle">Interpreter <b class="caret"></b></a>
+              <ul class="dropdown-menu scrollable-menu">
+                <li class="title"><span>Interpreters</span></li>
+                <li><a href="/docs/0.8.0/usage/interpreter/overview.html">Overview</a></li>
+                <li role="separator" class="divider"></li>
+                <li><a href="/docs/0.8.0/interpreter/spark.html">Spark</a></li>
+                <li><a href="/docs/0.8.0/interpreter/jdbc.html">JDBC</a></li>
+                <li><a href="/docs/0.8.0/interpreter/python.html">Python</a></li>
+                <li role="separator" class="divider"></li>
+                <li><a href="/docs/0.8.0/interpreter/alluxio.html">Alluxio</a></li>
+                <li><a href="/docs/0.8.0/interpreter/beam.html">Beam</a></li>
+                <li><a href="/docs/0.8.0/interpreter/bigquery.html">BigQuery</a></li>
+                <li><a href="/docs/0.8.0/interpreter/cassandra.html">Cassandra</a></li>
+                <li><a href="/docs/0.8.0/interpreter/elasticsearch.html">Elasticsearch</a></li>
+                <li><a href="/docs/0.8.0/interpreter/flink.html">Flink</a></li>
+                <li><a href="/docs/0.8.0/interpreter/geode.html">Geode</a></li>
+                <li><a href="/docs/0.8.0/interpreter/groovy.html">Groovy</a></li>
+                <li><a href="/docs/0.8.0/interpreter/hbase.html">HBase</a></li>
+                <li><a href="/docs/0.8.0/interpreter/hdfs.html">HDFS</a></li>
+                <li><a href="/docs/0.8.0/interpreter/hive.html">Hive</a></li>
+                <li><a href="/docs/0.8.0/interpreter/ignite.html">Ignite</a></li>
+                <li><a href="/docs/0.8.0/interpreter/kylin.html">Kylin</a></li>
+                <li><a href="/docs/0.8.0/interpreter/lens.html">Lens</a></li>
+                <li><a href="/docs/0.8.0/interpreter/livy.html">Livy</a></li>
+                <li><a href="/docs/0.8.0/interpreter/markdown.html">Markdown</a></li>
+                <li><a href="/docs/0.8.0/interpreter/neo4j.html">Neo4j</a></li>
+                <li><a href="/docs/0.8.0/interpreter/pig.html">Pig</a></li>
+                <li><a href="/docs/0.8.0/interpreter/postgresql.html">Postgresql, HAWQ</a></li>
+                <li><a href="/docs/0.8.0/interpreter/r.html">R</a></li>
+                <li><a href="/docs/0.8.0/interpreter/scalding.html">Scalding</a></li>
+                <li><a href="/docs/0.8.0/interpreter/scio.html">Scio</a></li>
+                <li><a href="/docs/0.8.0/interpreter/shell.html">Shell</a></li>
+              </ul>
+            </li>
+            <li>
+              <a href="#" data-toggle="dropdown" class="dropdown-toggle">More<b class="caret"></b></a>
+              <ul class="dropdown-menu scrollable-menu" style="right: 0; left: auto;">
+                <li class="title"><span>Extending Zeppelin</span></li>
+                <li><a href="/docs/0.8.0/development/writing_zeppelin_interpreter.html">Writing Zeppelin Interpreter</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Helium (Experimental)</span></li>
+                <li><a href="/docs/0.8.0/development/helium/overview.html">Overview</a></li>
+                <li><a href="/docs/0.8.0/development/helium/writing_application.html">Writing Helium Application</a></li>
+                <li><a href="/docs/0.8.0/development/helium/writing_spell.html">Writing Helium Spell</a></li>
+                <li><a href="/docs/0.8.0/development/helium/writing_visualization_basic.html">Writing Helium Visualization: Basics</a></li>
+                <li><a href="/docs/0.8.0/development/helium/writing_visualization_transformation.html">Writing Helium Visualization: Transformation</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Contributing to Zeppelin</span></li>
+                <li><a href="/docs/0.8.0/setup/basics/how_to_build.html">How to Build Zeppelin</a></li>
+                <li><a href="/docs/0.8.0/development/contribution/useful_developer_tools.html">Useful Developer Tools</a></li>
+                <li><a href="/docs/0.8.0/development/contribution/how_to_contribute_code.html">How to Contribute (code)</a></li>
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+                <li role="separator" class="divider"></li>
+                <li class="title"><span>External Resources</span></li>
+                <li><a target="_blank" href="">Mailing List</a></li>
+                <li><a target="_blank" href="">Apache Zeppelin Wiki</a></li>
+                <li><a target="_blank" href="">Stackoverflow Questions about Zeppelin</a></li>
+              </ul>
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+            <li>
+              <a href="/docs/0.8.0/search.html" class="nav-search-link">
+                <span class="fa fa-search nav-search-icon"></span>
+              </a>
+            </li>
+          </ul>
+        </nav><!--/.navbar-collapse -->
+      </div>
+    </div>
+
+
+
+    <div class="content">
+      
+<!--<div class="hero-unit Dynamic Interpreter Loading using REST API">
+  <h1></h1>
+</div>
+-->
+
+<div class="row">
+  <div class="col-md-12">
+    <!--
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
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+
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+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
+
+<h1>Dynamic Interpreter Loading using REST API</h1>
+
+<div id="toc"></div>
+
+<p>Apache Zeppelin provides pluggable interpreter architecture which results in a wide and variety of the supported backend system. In this section, we will introduce <strong>Dynamic interpreter loading</strong> using <strong>REST API</strong>. This concept actually comes from <a href="https://cwiki.apache.org/confluence/display/ZEPPELIN/Helium+proposal">Zeppelin Helium Proposal</a>.
+Before we start, if you are not familiar with the concept of <strong>Zeppelin interpreter</strong>, you can check out <a href="./overview.html">Overview: Zeppelin Interpreter</a> first.</p>
+
+<h2>Overview</h2>
+
+<p>In the past, Zeppelin was loading interpreter binaries from <code>/interpreter/[interpreter_name]</code> directory. They were configured by <code>zeppelin.interpreters</code> property in <code>conf/zeppelin-site.xml</code> or <code>ZEPPELIN_INTERPRETERS</code> env variables in <code>conf/zeppelin-env.sh</code>. They were loaded on Zeppelin server startup and stayed alive until the server was stopped.
+In order to simplify using 3rd party interpreters, we changed this way to <strong>dynamically</strong> load interpreters from <strong>Maven Repository</strong> using <strong>REST API</strong>. Hopefully, the picture below will help you to understand the process. 
+<center><img src="/docs/0.8.0/assets/themes/zeppelin/img/docs-img/zeppelin_user.png" height="85%" width="85%"></center></p>
+
+<h2>Load &amp; Unload Interpreters Using REST API</h2>
+
+<h3>Load</h3>
+
+<p>You can <strong>load</strong> interpreters located in Maven repository using REST API, like this:</p>
+
+<p>(Maybe, you are unfamiliar with <code>[interpreter_group_name]</code> or <code>[interpreter_name]</code>. If so, please checkout <a href="./overview.html">Overview: Zeppelin Interpreter</a> again.)</p>
+<div class="highlight"><pre><code class="language-text" data-lang="text"><span></span>http://[zeppelin-server]:[zeppelin-port]/api/interpreter/load/[interpreter_group_name]/[interpreter_name]
+</code></pre></div>
+<p>The Restful method will be <code><strong>POST</strong></code>. And the parameters you need are:</p>
+
+<ol>
+<li><p><strong>Artifact:</strong> Maven artifact ( groupId:artifactId:version ) </p></li>
+<li><p><strong>Class Name:</strong> Package name + Interpreter class name</p></li>
+<li><p><strong>Repository ( optional ):</strong> Additional maven repository address</p></li>
+</ol>
+
+<p>For example, if you want to load <code>markdown</code> interpreter to your Zeppelin, the parameters and URL you need may look like:</p>
+<div class="highlight"><pre><code class="language-text" data-lang="text"><span></span>http://127.0.0.1:8080/api/interpreter/load/md/markdown
+</code></pre></div><div class="highlight"><pre><code class="language-json" data-lang="json"><span></span><span class="p">{</span>
+  <span class="nt">&quot;artifact&quot;</span><span class="p">:</span> <span class="s2">&quot;org.apache.zeppelin:zeppelin-markdown:0.6.0-SNAPSHOT&quot;</span><span class="p">,</span>
+  <span class="nt">&quot;className&quot;</span><span class="p">:</span> <span class="s2">&quot;org.apache.zeppelin.markdown.Markdown&quot;</span><span class="p">,</span>
+  <span class="nt">&quot;repository&quot;</span><span class="p">:</span> <span class="p">{</span>
+    <span class="nt">&quot;url&quot;</span><span class="p">:</span> <span class="s2">&quot;http://dl.bintray.com/spark-packages/maven&quot;</span><span class="p">,</span>
+    <span class="nt">&quot;snapshot&quot;</span><span class="p">:</span> <span class="kc">false</span>
+  <span class="p">}</span>
+<span class="p">}</span>
+</code></pre></div>
+<p>The meaning of each parameters is: </p>
+
+<ol>
+<li><strong>Artifact</strong></li>
+<li>groupId: org.apache.zeppelin</li>
+<li>artifactId: zeppelin-markdown</li>
+<li><p>version: 0.6.0-SNAPSHOT</p></li>
+<li><p><strong>Class Name</strong></p></li>
+<li><p>Package Name: org.apache.zeppelin</p></li>
+<li><p>Interpreter Class Name: markdown.Markdown</p></li>
+<li><p><strong>Repository ( optional )</strong></p></li>
+<li><p>Url: http://dl.bintray.com/spark-packages/maven</p></li>
+<li><p>Snapshot: false</p></li>
+</ol>
+
+<blockquote>
+<p><b>Please note: </b>The interpreters you downloaded need to be <strong>reload</strong>, when your Zeppelin server is down. </p>
+</blockquote>
+
+<h3>Unload</h3>
+
+<p>If you want to <strong>unload</strong> the interpreters using REST API, </p>
+<div class="highlight"><pre><code class="language-text" data-lang="text"><span></span>http://[zeppelin-server]:[zeppelin-port]/api/interpreter/unload/[interpreter_group_name]/[interpreter_name]
+</code></pre></div>
+<p>In this case, the Restful method will be <code><strong>DELETE</strong></code>.</p>
+
+<p><br/></p>
+
+<h2>What is the next step after Loading ?</h2>
+
+<h3>Q1. Where is the location of interpreters you downloaded ?</h3>
+
+<p>Actually, the answer about this question is in the above picture. Once the REST API is called, the <code>.jar</code> files of interpreters you get are saved under <code>ZEPPELIN_HOME/local-repo</code> first. Then, they will be copied to <code>ZEPPELIN_HOME/interpreter</code> directory. So, please checkout your <code>ZEPPELIN_HOME/interpreter</code>.</p>
+
+<h3>Q2. Then, how can I use this interpreter ?</h3>
+
+<p>After loading an interpreter, you can use it by creating and configuring it in Zeppelin&#39;s <strong>Interpreter tab</strong>.</p>
+
+<p>Oh, you don&#39;t need to restart your Zeppelin server. Because it is <strong>Dynamic Loading</strong>, you can configure and load it <strong>at runtime</strong> !</p>
+
+<ol>
+<li><p>After Zeppelin server up, browse Zeppelin home and click <strong>Interpreter tab</strong>.
+<center><img src="/docs/0.8.0/assets/themes/zeppelin/img/docs-img/interpreter_setting_1.png" height="85%" width="85%"></center></p></li>
+<li><p>At the <strong>Interpreter</strong> section, click <strong>+Create</strong> button. 
+<center><img src="/docs/0.8.0/assets/themes/zeppelin/img/docs-img/interpreter_setting_2.png" height="85%" width="85%"></center></p></li>
+<li><p>Then, you can verify the interpreter list that you loaded.
+<center><img src="/docs/0.8.0/assets/themes/zeppelin/img/docs-img/interpreter_setting_3.png" height="85%" width="85%"></center></p></li>
+<li><p>After choosing an interpreter, you can configure and use it. Don&#39;t forget to save it.</p></li>
+<li><p>Create a new notebook in the <strong>Notebook</strong> section, then you can bind the interpreters from your interpreter list. Just drag and drop !
+<center><img src="/docs/0.8.0/assets/themes/zeppelin/img/docs-img/interpreter_binding_1.png" height="85%" width="85%"></center>
+<center><img src="/docs/0.8.0/assets/themes/zeppelin/img/docs-img/interpreter_binding_2.png" height="85%" width="85%"></center></p></li>
+<li><p>At last, you can use your interpreter !</p></li>
+</ol>
+
+<p>If you want to get the specific information about respective interpreters, please checkout each interpreter documentation. </p>
+
+  </div>
+</div>
+
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@@ -0,0 +1,335 @@
+
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <title>Apache Zeppelin 0.8.0 Documentation: Interpreter Execution Hooks (Experimental)</title>
+    <meta name="description" content="Apache Zeppelin allows for users to specify additional code to be executed by an interpreter at pre and post-paragraph code execution.">
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+        <nav class="navbar-collapse collapse" role="navigation">
+          <ul class="nav navbar-nav">
+            <li>
+              <a href="#" data-toggle="dropdown" class="dropdown-toggle">Quick Start <b class="caret"></b></a>
+              <ul class="dropdown-menu">
+                <li class="title"><span>Getting Started</span></li>
+                <li><a href="/docs/0.8.0/quickstart/install.html">Install</a></li>
+                <li><a href="/docs/0.8.0/quickstart/explore_ui.html">Explore UI</a></li>
+                <li><a href="/docs/0.8.0/quickstart/tutorial.html">Tutorial</a></li>
+                <li role="separator" class="divider"></li>
+                <li><a href="/docs/0.8.0/quickstart/spark_with_zeppelin.html">Spark with Zeppelin</a></li>
+                <li><a href="/docs/0.8.0/quickstart/sql_with_zeppelin.html">SQL with Zeppelin</a></li>
+                <li><a href="/docs/0.8.0/quickstart/python_with_zeppelin.html">Python with Zeppelin</a></li>
+              </ul>
+            </li>
+
+            <li>
+              <a href="#" data-toggle="dropdown" class="dropdown-toggle">Usage<b class="caret"></b></a>
+              <ul class="dropdown-menu scrollable-menu">
+                <li class="title"><span>Dynamic Form</span></li>
+                <li><a href="/docs/0.8.0/usage/dynamic_form/intro.html">What is Dynamic Form?</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Display System</span></li>
+                <li><a href="/docs/0.8.0/usage/display_system/basic.html#text">Text Display</a></li>
+                <li><a href="/docs/0.8.0/usage/display_system/basic.html#html">HTML Display</a></li>
+                <li><a href="/docs/0.8.0/usage/display_system/basic.html#table">Table Display</a></li>
+                <li><a href="/docs/0.8.0/usage/display_system/basic.html#network">Network Display</a></li>
+                <li><a href="/docs/0.8.0/usage/display_system/angular_backend.html">Angular Display using Backend API</a></li>
+                <li><a href="/docs/0.8.0/usage/display_system/angular_frontend.html">Angular Display using Frontend API</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Interpreter</span></li>
+                <li><a href="/docs/0.8.0/usage/interpreter/overview.html">Overview</a></li>
+                <li><a href="/docs/0.8.0/usage/interpreter/interpreter_binding_mode.html">Interpreter Binding Mode</a></li>
+                <li><a href="/docs/0.8.0/usage/interpreter/user_impersonation.html">User Impersonation</a></li>
+                <li><a href="/docs/0.8.0/usage/interpreter/dependency_management.html">Dependency Management</a></li>
+                <li><a href="/docs/0.8.0/usage/interpreter/installation.html">Installing Interpreters</a></li>
+                <!--<li><a href="/docs/0.8.0/usage/interpreter/dynamic_loading.html">Dynamic Interpreter Loading (Experimental)</a></li>-->
+                <li><a href="/docs/0.8.0/usage/interpreter/execution_hooks.html">Execution Hooks (Experimental)</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Other Features</span></li>
+                <li><a href="/docs/0.8.0/usage/other_features/publishing_paragraphs.html">Publishing Paragraphs</a></li>
+                <li><a href="/docs/0.8.0/usage/other_features/personalized_mode.html">Personalized Mode</a></li>
+                <li><a href="/docs/0.8.0/usage/other_features/customizing_homepage.html">Customizing Zeppelin Homepage</a></li>
+                <li><a href="/docs/0.8.0/usage/other_features/notebook_actions.html">Notebook Actions</a></li>
+                <li><a href="/docs/0.8.0/usage/other_features/cron_scheduler.html">Cron Scheduler</a></li>
+                <li><a href="/docs/0.8.0/usage/other_features/zeppelin_context.html">Zeppelin Context</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>REST API</span></li>
+                <li><a href="/docs/0.8.0/usage/rest_api/interpreter.html">Interpreter API</a></li>
+                <li><a href="/docs/0.8.0/usage/rest_api/zeppelin_server.html">Zeppelin Server API</a></li>
+                <li><a href="/docs/0.8.0/usage/rest_api/notebook.html">Notebook API</a></li>
+                <li><a href="/docs/0.8.0/usage/rest_api/notebook_repository.html">Notebook Repository API</a></li>
+                <li><a href="/docs/0.8.0/usage/rest_api/configuration.html">Configuration API</a></li>
+                <li><a href="/docs/0.8.0/usage/rest_api/credential.html">Credential API</a></li>
+                <li><a href="/docs/0.8.0/usage/rest_api/helium.html">Helium API</a></li>
+              </ul>
+            </li>
+
+            <li>
+              <a href="#" data-toggle="dropdown" class="dropdown-toggle">Setup<b class="caret"></b></a>
+              <ul class="dropdown-menu scrollable-menu">
+                <li class="title"><span>Basics</span></li>
+                <li><a href="/docs/0.8.0/setup/basics/how_to_build.html">How to Build Zeppelin</a></li>
+                <li><a href="/docs/0.8.0/setup/basics/multi_user_support.html">Multi-user Support</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Deployment</span></li>
+                <!--<li><a href="/docs/0.8.0/setup/deployment/docker.html">Docker Image for Zeppelin</a></li>-->
+                <li><a href="/docs/0.8.0/setup/deployment/spark_cluster_mode.html#spark-standalone-mode">Spark Cluster Mode: Standalone</a></li>
+                <li><a href="/docs/0.8.0/setup/deployment/spark_cluster_mode.html#spark-on-yarn-mode">Spark Cluster Mode: YARN</a></li>
+                <li><a href="/docs/0.8.0/setup/deployment/spark_cluster_mode.html#spark-on-mesos-mode">Spark Cluster Mode: Mesos</a></li>
+                <li><a href="/docs/0.8.0/setup/deployment/flink_and_spark_cluster.html">Zeppelin with Flink, Spark Cluster</a></li>
+                <li><a href="/docs/0.8.0/setup/deployment/cdh.html">Zeppelin on CDH</a></li>
+                <li><a href="/docs/0.8.0/setup/deployment/virtual_machine.html">Zeppelin on VM: Vagrant</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Security</span></li>
+                <li><a href="/docs/0.8.0/setup/security/authentication_nginx.html">HTTP Basic Auth using NGINX</a></li>
+                <li><a href="/docs/0.8.0/setup/security/shiro_authentication.html">Shiro Authentication</a></li>
+                <li><a href="/docs/0.8.0/setup/security/notebook_authorization.html">Notebook Authorization</a></li>
+                <li><a href="/docs/0.8.0/setup/security/datasource_authorization.html">Data Source Authorization</a></li>
+                <li><a href="/docs/0.8.0/setup/security/http_security_headers.html">HTTP Security Headers</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Notebook Storage</span></li>
+                <li><a href="/docs/0.8.0/setup/storage/storage.html#notebook-storage-in-local-git-repository">Git Storage</a></li>
+                <li><a href="/docs/0.8.0/setup/storage/storage.html#notebook-storage-in-s3">S3 Storage</a></li>
+                <li><a href="/docs/0.8.0/setup/storage/storage.html#notebook-storage-in-azure">Azure Storage</a></li>
+                <li><a href="/docs/0.8.0/setup/storage/storage.html#notebook-storage-in-zeppelinhub">ZeppelinHub Storage</a></li>
+                <li><a href="/docs/0.8.0/setup/storage/storage.html#notebook-storage-in-mongodb">MongoDB Storage</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Operation</span></li>
+                <li><a href="/docs/0.8.0/setup/operation/configuration.html">Configuration</a></li>
+                <li><a href="/docs/0.8.0/setup/operation/proxy_setting.html">Proxy Setting</a></li>
+                <li><a href="/docs/0.8.0/setup/operation/upgrading.html">Upgrading</a></li>
+                <li><a href="/docs/0.8.0/setup/operation/trouble_shooting.html">Trouble Shooting</a></li>
+              </ul>
+            </li>
+
+            <li>
+              <a href="#" data-toggle="dropdown" class="dropdown-toggle">Interpreter <b class="caret"></b></a>
+              <ul class="dropdown-menu scrollable-menu">
+                <li class="title"><span>Interpreters</span></li>
+                <li><a href="/docs/0.8.0/usage/interpreter/overview.html">Overview</a></li>
+                <li role="separator" class="divider"></li>
+                <li><a href="/docs/0.8.0/interpreter/spark.html">Spark</a></li>
+                <li><a href="/docs/0.8.0/interpreter/jdbc.html">JDBC</a></li>
+                <li><a href="/docs/0.8.0/interpreter/python.html">Python</a></li>
+                <li role="separator" class="divider"></li>
+                <li><a href="/docs/0.8.0/interpreter/alluxio.html">Alluxio</a></li>
+                <li><a href="/docs/0.8.0/interpreter/beam.html">Beam</a></li>
+                <li><a href="/docs/0.8.0/interpreter/bigquery.html">BigQuery</a></li>
+                <li><a href="/docs/0.8.0/interpreter/cassandra.html">Cassandra</a></li>
+                <li><a href="/docs/0.8.0/interpreter/elasticsearch.html">Elasticsearch</a></li>
+                <li><a href="/docs/0.8.0/interpreter/flink.html">Flink</a></li>
+                <li><a href="/docs/0.8.0/interpreter/geode.html">Geode</a></li>
+                <li><a href="/docs/0.8.0/interpreter/groovy.html">Groovy</a></li>
+                <li><a href="/docs/0.8.0/interpreter/hbase.html">HBase</a></li>
+                <li><a href="/docs/0.8.0/interpreter/hdfs.html">HDFS</a></li>
+                <li><a href="/docs/0.8.0/interpreter/hive.html">Hive</a></li>
+                <li><a href="/docs/0.8.0/interpreter/ignite.html">Ignite</a></li>
+                <li><a href="/docs/0.8.0/interpreter/kylin.html">Kylin</a></li>
+                <li><a href="/docs/0.8.0/interpreter/lens.html">Lens</a></li>
+                <li><a href="/docs/0.8.0/interpreter/livy.html">Livy</a></li>
+                <li><a href="/docs/0.8.0/interpreter/markdown.html">Markdown</a></li>
+                <li><a href="/docs/0.8.0/interpreter/neo4j.html">Neo4j</a></li>
+                <li><a href="/docs/0.8.0/interpreter/pig.html">Pig</a></li>
+                <li><a href="/docs/0.8.0/interpreter/postgresql.html">Postgresql, HAWQ</a></li>
+                <li><a href="/docs/0.8.0/interpreter/r.html">R</a></li>
+                <li><a href="/docs/0.8.0/interpreter/scalding.html">Scalding</a></li>
+                <li><a href="/docs/0.8.0/interpreter/scio.html">Scio</a></li>
+                <li><a href="/docs/0.8.0/interpreter/shell.html">Shell</a></li>
+              </ul>
+            </li>
+            <li>
+              <a href="#" data-toggle="dropdown" class="dropdown-toggle">More<b class="caret"></b></a>
+              <ul class="dropdown-menu scrollable-menu" style="right: 0; left: auto;">
+                <li class="title"><span>Extending Zeppelin</span></li>
+                <li><a href="/docs/0.8.0/development/writing_zeppelin_interpreter.html">Writing Zeppelin Interpreter</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Helium (Experimental)</span></li>
+                <li><a href="/docs/0.8.0/development/helium/overview.html">Overview</a></li>
+                <li><a href="/docs/0.8.0/development/helium/writing_application.html">Writing Helium Application</a></li>
+                <li><a href="/docs/0.8.0/development/helium/writing_spell.html">Writing Helium Spell</a></li>
+                <li><a href="/docs/0.8.0/development/helium/writing_visualization_basic.html">Writing Helium Visualization: Basics</a></li>
+                <li><a href="/docs/0.8.0/development/helium/writing_visualization_transformation.html">Writing Helium Visualization: Transformation</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Contributing to Zeppelin</span></li>
+                <li><a href="/docs/0.8.0/setup/basics/how_to_build.html">How to Build Zeppelin</a></li>
+                <li><a href="/docs/0.8.0/development/contribution/useful_developer_tools.html">Useful Developer Tools</a></li>
+                <li><a href="/docs/0.8.0/development/contribution/how_to_contribute_code.html">How to Contribute (code)</a></li>
+                <li><a href="/docs/0.8.0/development/contribution/how_to_contribute_website.html">How to Contribute (website)</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>External Resources</span></li>
+                <li><a target="_blank" href="">Mailing List</a></li>
+                <li><a target="_blank" href="">Apache Zeppelin Wiki</a></li>
+                <li><a target="_blank" href="">Stackoverflow Questions about Zeppelin</a></li>
+              </ul>
+            </li>
+            <li>
+              <a href="/docs/0.8.0/search.html" class="nav-search-link">
+                <span class="fa fa-search nav-search-icon"></span>
+              </a>
+            </li>
+          </ul>
+        </nav><!--/.navbar-collapse -->
+      </div>
+    </div>
+
+
+
+    <div class="content">
+      
+<!--<div class="hero-unit Interpreter Execution Hooks (Experimental)">
+  <h1></h1>
+</div>
+-->
+
+<div class="row">
+  <div class="col-md-12">
+    <!--
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
+
+<h1>Interpreter Execution Hooks (Experimental)</h1>
+
+<div id="toc"></div>
+
+<h2>Overview</h2>
+
+<p>Apache Zeppelin allows for users to specify additional code to be executed by an interpreter at pre and post-paragraph code execution.
+This is primarily useful if you need to run the same set of code for all of the paragraphs within your notebook at specific times.
+Currently, this feature is only available for the spark and pyspark interpreters.
+To specify your hook code, you may use <code>z.registerHook()</code>. 
+For example, enter the following into one paragraph:</p>
+<div class="highlight"><pre><code class="language-python" data-lang="python"><span></span><span class="o">%</span><span class="n">pyspark</span>
+<span class="n">z</span><span class="o">.</span><span class="n">registerHook</span><span class="p">(</span><span class="s2">&quot;post_exec&quot;</span><span class="p">,</span> <span class="s2">&quot;print &#39;This code should be executed before the parapgraph code!&#39;&quot;</span><span class="p">)</span>
+<span class="n">z</span><span class="o">.</span><span class="n">registerHook</span><span class="p">(</span><span class="s2">&quot;pre_exec&quot;</span><span class="p">,</span> <span class="s2">&quot;print &#39;This code should be executed after the paragraph code!&#39;&quot;</span><span class="p">)</span>
+</code></pre></div>
+<p>These calls will not take into effect until the next time you run a paragraph. </p>
+
+<p>In another paragraph, enter</p>
+<div class="highlight"><pre><code class="language-python" data-lang="python"><span></span><span class="o">%</span><span class="n">pyspark</span>
+<span class="k">print</span> <span class="s2">&quot;This code should be entered into the paragraph by the user!&quot;</span>
+</code></pre></div>
+<p>The output should be:</p>
+<div class="highlight"><pre><code class="language-text" data-lang="text"><span></span>This code should be executed before the paragraph code!
+This code should be entered into the paragraph by the user!
+This code should be executed after the paragraph code!
+</code></pre></div>
+<p>If you ever need to know the hook code, use <code>z.getHook()</code>:</p>
+<div class="highlight"><pre><code class="language-python" data-lang="python"><span></span><span class="o">%</span><span class="n">pyspark</span>
+<span class="k">print</span> <span class="n">z</span><span class="o">.</span><span class="n">getHook</span><span class="p">(</span><span class="s2">&quot;post_exec&quot;</span><span class="p">)</span>
+
+<span class="k">print</span> <span class="s1">&#39;This code should be executed after the paragraph code!&#39;</span>
+</code></pre></div>
+<p>Any call to <code>z.registerHook()</code> will automatically overwrite what was previously registered.
+To completely unregister a hook event, use <code>z.unregisterHook(eventCode)</code>.
+Currently only <code>&quot;post_exec&quot;</code> and <code>&quot;pre_exec&quot;</code> are valid event codes for the Zeppelin Hook Registry system.</p>
+
+<p>Finally, the hook registry is internally shared by other interpreters in the same group.
+This would allow for hook code for one interpreter REPL to be set by another as follows:</p>
+<div class="highlight"><pre><code class="language-scala" data-lang="scala"><span></span><span class="o">%</span><span class="n">spark</span>
+<span class="n">z</span><span class="o">.</span><span class="n">unregisterHook</span><span class="o">(</span><span class="s">&quot;post_exec&quot;</span><span class="o">,</span> <span class="s">&quot;pyspark&quot;</span><span class="o">)</span>
+</code></pre></div>
+<p>The API is identical for both the spark (scala) and pyspark (python) implementations.</p>
+
+<h3>Caveats</h3>
+
+<p>Calls to <code>z.registerHook(&quot;pre_exec&quot;, ...)</code> should be made with care. If there are errors in your specified hook code, this will cause the interpreter REPL to become unable to execute any code pass the pre-execute stage making it impossible for direct calls to <code>z.unregisterHook()</code> to take into effect. Current workarounds include calling <code>z.unregisterHook()</code> from a different interpreter REPL in the same interpreter group (see above) or manually restarting the interpreter group in the UI. </p>
+
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+
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <title>Apache Zeppelin 0.8.0 Documentation: Installing Interpreters</title>
+    <meta name="description" content="Apache Zeppelin provides Interpreter Installation mechanism for whom downloaded Zeppelin netinst binary package, or just want to install another 3rd party interpreters.">
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+        <nav class="navbar-collapse collapse" role="navigation">
+          <ul class="nav navbar-nav">
+            <li>
+              <a href="#" data-toggle="dropdown" class="dropdown-toggle">Quick Start <b class="caret"></b></a>
+              <ul class="dropdown-menu">
+                <li class="title"><span>Getting Started</span></li>
+                <li><a href="/docs/0.8.0/quickstart/install.html">Install</a></li>
+                <li><a href="/docs/0.8.0/quickstart/explore_ui.html">Explore UI</a></li>
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+                <li><a href="/docs/0.8.0/quickstart/python_with_zeppelin.html">Python with Zeppelin</a></li>
+              </ul>
+            </li>
+
+            <li>
+              <a href="#" data-toggle="dropdown" class="dropdown-toggle">Usage<b class="caret"></b></a>
+              <ul class="dropdown-menu scrollable-menu">
+                <li class="title"><span>Dynamic Form</span></li>
+                <li><a href="/docs/0.8.0/usage/dynamic_form/intro.html">What is Dynamic Form?</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Display System</span></li>
+                <li><a href="/docs/0.8.0/usage/display_system/basic.html#text">Text Display</a></li>
+                <li><a href="/docs/0.8.0/usage/display_system/basic.html#html">HTML Display</a></li>
+                <li><a href="/docs/0.8.0/usage/display_system/basic.html#table">Table Display</a></li>
+                <li><a href="/docs/0.8.0/usage/display_system/basic.html#network">Network Display</a></li>
+                <li><a href="/docs/0.8.0/usage/display_system/angular_backend.html">Angular Display using Backend API</a></li>
+                <li><a href="/docs/0.8.0/usage/display_system/angular_frontend.html">Angular Display using Frontend API</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Interpreter</span></li>
+                <li><a href="/docs/0.8.0/usage/interpreter/overview.html">Overview</a></li>
+                <li><a href="/docs/0.8.0/usage/interpreter/interpreter_binding_mode.html">Interpreter Binding Mode</a></li>
+                <li><a href="/docs/0.8.0/usage/interpreter/user_impersonation.html">User Impersonation</a></li>
+                <li><a href="/docs/0.8.0/usage/interpreter/dependency_management.html">Dependency Management</a></li>
+                <li><a href="/docs/0.8.0/usage/interpreter/installation.html">Installing Interpreters</a></li>
+                <!--<li><a href="/docs/0.8.0/usage/interpreter/dynamic_loading.html">Dynamic Interpreter Loading (Experimental)</a></li>-->
+                <li><a href="/docs/0.8.0/usage/interpreter/execution_hooks.html">Execution Hooks (Experimental)</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Other Features</span></li>
+                <li><a href="/docs/0.8.0/usage/other_features/publishing_paragraphs.html">Publishing Paragraphs</a></li>
+                <li><a href="/docs/0.8.0/usage/other_features/personalized_mode.html">Personalized Mode</a></li>
+                <li><a href="/docs/0.8.0/usage/other_features/customizing_homepage.html">Customizing Zeppelin Homepage</a></li>
+                <li><a href="/docs/0.8.0/usage/other_features/notebook_actions.html">Notebook Actions</a></li>
+                <li><a href="/docs/0.8.0/usage/other_features/cron_scheduler.html">Cron Scheduler</a></li>
+                <li><a href="/docs/0.8.0/usage/other_features/zeppelin_context.html">Zeppelin Context</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>REST API</span></li>
+                <li><a href="/docs/0.8.0/usage/rest_api/interpreter.html">Interpreter API</a></li>
+                <li><a href="/docs/0.8.0/usage/rest_api/zeppelin_server.html">Zeppelin Server API</a></li>
+                <li><a href="/docs/0.8.0/usage/rest_api/notebook.html">Notebook API</a></li>
+                <li><a href="/docs/0.8.0/usage/rest_api/notebook_repository.html">Notebook Repository API</a></li>
+                <li><a href="/docs/0.8.0/usage/rest_api/configuration.html">Configuration API</a></li>
+                <li><a href="/docs/0.8.0/usage/rest_api/credential.html">Credential API</a></li>
+                <li><a href="/docs/0.8.0/usage/rest_api/helium.html">Helium API</a></li>
+              </ul>
+            </li>
+
+            <li>
+              <a href="#" data-toggle="dropdown" class="dropdown-toggle">Setup<b class="caret"></b></a>
+              <ul class="dropdown-menu scrollable-menu">
+                <li class="title"><span>Basics</span></li>
+                <li><a href="/docs/0.8.0/setup/basics/how_to_build.html">How to Build Zeppelin</a></li>
+                <li><a href="/docs/0.8.0/setup/basics/multi_user_support.html">Multi-user Support</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Deployment</span></li>
+                <!--<li><a href="/docs/0.8.0/setup/deployment/docker.html">Docker Image for Zeppelin</a></li>-->
+                <li><a href="/docs/0.8.0/setup/deployment/spark_cluster_mode.html#spark-standalone-mode">Spark Cluster Mode: Standalone</a></li>
+                <li><a href="/docs/0.8.0/setup/deployment/spark_cluster_mode.html#spark-on-yarn-mode">Spark Cluster Mode: YARN</a></li>
+                <li><a href="/docs/0.8.0/setup/deployment/spark_cluster_mode.html#spark-on-mesos-mode">Spark Cluster Mode: Mesos</a></li>
+                <li><a href="/docs/0.8.0/setup/deployment/flink_and_spark_cluster.html">Zeppelin with Flink, Spark Cluster</a></li>
+                <li><a href="/docs/0.8.0/setup/deployment/cdh.html">Zeppelin on CDH</a></li>
+                <li><a href="/docs/0.8.0/setup/deployment/virtual_machine.html">Zeppelin on VM: Vagrant</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Security</span></li>
+                <li><a href="/docs/0.8.0/setup/security/authentication_nginx.html">HTTP Basic Auth using NGINX</a></li>
+                <li><a href="/docs/0.8.0/setup/security/shiro_authentication.html">Shiro Authentication</a></li>
+                <li><a href="/docs/0.8.0/setup/security/notebook_authorization.html">Notebook Authorization</a></li>
+                <li><a href="/docs/0.8.0/setup/security/datasource_authorization.html">Data Source Authorization</a></li>
+                <li><a href="/docs/0.8.0/setup/security/http_security_headers.html">HTTP Security Headers</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Notebook Storage</span></li>
+                <li><a href="/docs/0.8.0/setup/storage/storage.html#notebook-storage-in-local-git-repository">Git Storage</a></li>
+                <li><a href="/docs/0.8.0/setup/storage/storage.html#notebook-storage-in-s3">S3 Storage</a></li>
+                <li><a href="/docs/0.8.0/setup/storage/storage.html#notebook-storage-in-azure">Azure Storage</a></li>
+                <li><a href="/docs/0.8.0/setup/storage/storage.html#notebook-storage-in-zeppelinhub">ZeppelinHub Storage</a></li>
+                <li><a href="/docs/0.8.0/setup/storage/storage.html#notebook-storage-in-mongodb">MongoDB Storage</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Operation</span></li>
+                <li><a href="/docs/0.8.0/setup/operation/configuration.html">Configuration</a></li>
+                <li><a href="/docs/0.8.0/setup/operation/proxy_setting.html">Proxy Setting</a></li>
+                <li><a href="/docs/0.8.0/setup/operation/upgrading.html">Upgrading</a></li>
+                <li><a href="/docs/0.8.0/setup/operation/trouble_shooting.html">Trouble Shooting</a></li>
+              </ul>
+            </li>
+
+            <li>
+              <a href="#" data-toggle="dropdown" class="dropdown-toggle">Interpreter <b class="caret"></b></a>
+              <ul class="dropdown-menu scrollable-menu">
+                <li class="title"><span>Interpreters</span></li>
+                <li><a href="/docs/0.8.0/usage/interpreter/overview.html">Overview</a></li>
+                <li role="separator" class="divider"></li>
+                <li><a href="/docs/0.8.0/interpreter/spark.html">Spark</a></li>
+                <li><a href="/docs/0.8.0/interpreter/jdbc.html">JDBC</a></li>
+                <li><a href="/docs/0.8.0/interpreter/python.html">Python</a></li>
+                <li role="separator" class="divider"></li>
+                <li><a href="/docs/0.8.0/interpreter/alluxio.html">Alluxio</a></li>
+                <li><a href="/docs/0.8.0/interpreter/beam.html">Beam</a></li>
+                <li><a href="/docs/0.8.0/interpreter/bigquery.html">BigQuery</a></li>
+                <li><a href="/docs/0.8.0/interpreter/cassandra.html">Cassandra</a></li>
+                <li><a href="/docs/0.8.0/interpreter/elasticsearch.html">Elasticsearch</a></li>
+                <li><a href="/docs/0.8.0/interpreter/flink.html">Flink</a></li>
+                <li><a href="/docs/0.8.0/interpreter/geode.html">Geode</a></li>
+                <li><a href="/docs/0.8.0/interpreter/groovy.html">Groovy</a></li>
+                <li><a href="/docs/0.8.0/interpreter/hbase.html">HBase</a></li>
+                <li><a href="/docs/0.8.0/interpreter/hdfs.html">HDFS</a></li>
+                <li><a href="/docs/0.8.0/interpreter/hive.html">Hive</a></li>
+                <li><a href="/docs/0.8.0/interpreter/ignite.html">Ignite</a></li>
+                <li><a href="/docs/0.8.0/interpreter/kylin.html">Kylin</a></li>
+                <li><a href="/docs/0.8.0/interpreter/lens.html">Lens</a></li>
+                <li><a href="/docs/0.8.0/interpreter/livy.html">Livy</a></li>
+                <li><a href="/docs/0.8.0/interpreter/markdown.html">Markdown</a></li>
+                <li><a href="/docs/0.8.0/interpreter/neo4j.html">Neo4j</a></li>
+                <li><a href="/docs/0.8.0/interpreter/pig.html">Pig</a></li>
+                <li><a href="/docs/0.8.0/interpreter/postgresql.html">Postgresql, HAWQ</a></li>
+                <li><a href="/docs/0.8.0/interpreter/r.html">R</a></li>
+                <li><a href="/docs/0.8.0/interpreter/scalding.html">Scalding</a></li>
+                <li><a href="/docs/0.8.0/interpreter/scio.html">Scio</a></li>
+                <li><a href="/docs/0.8.0/interpreter/shell.html">Shell</a></li>
+              </ul>
+            </li>
+            <li>
+              <a href="#" data-toggle="dropdown" class="dropdown-toggle">More<b class="caret"></b></a>
+              <ul class="dropdown-menu scrollable-menu" style="right: 0; left: auto;">
+                <li class="title"><span>Extending Zeppelin</span></li>
+                <li><a href="/docs/0.8.0/development/writing_zeppelin_interpreter.html">Writing Zeppelin Interpreter</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Helium (Experimental)</span></li>
+                <li><a href="/docs/0.8.0/development/helium/overview.html">Overview</a></li>
+                <li><a href="/docs/0.8.0/development/helium/writing_application.html">Writing Helium Application</a></li>
+                <li><a href="/docs/0.8.0/development/helium/writing_spell.html">Writing Helium Spell</a></li>
+                <li><a href="/docs/0.8.0/development/helium/writing_visualization_basic.html">Writing Helium Visualization: Basics</a></li>
+                <li><a href="/docs/0.8.0/development/helium/writing_visualization_transformation.html">Writing Helium Visualization: Transformation</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Contributing to Zeppelin</span></li>
+                <li><a href="/docs/0.8.0/setup/basics/how_to_build.html">How to Build Zeppelin</a></li>
+                <li><a href="/docs/0.8.0/development/contribution/useful_developer_tools.html">Useful Developer Tools</a></li>
+                <li><a href="/docs/0.8.0/development/contribution/how_to_contribute_code.html">How to Contribute (code)</a></li>
+                <li><a href="/docs/0.8.0/development/contribution/how_to_contribute_website.html">How to Contribute (website)</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>External Resources</span></li>
+                <li><a target="_blank" href="">Mailing List</a></li>
+                <li><a target="_blank" href="">Apache Zeppelin Wiki</a></li>
+                <li><a target="_blank" href="">Stackoverflow Questions about Zeppelin</a></li>
+              </ul>
+            </li>
+            <li>
+              <a href="/docs/0.8.0/search.html" class="nav-search-link">
+                <span class="fa fa-search nav-search-icon"></span>
+              </a>
+            </li>
+          </ul>
+        </nav><!--/.navbar-collapse -->
+      </div>
+    </div>
+
+
+
+    <div class="content">
+      
+<!--<div class="hero-unit Installing Interpreters">
+  <h1></h1>
+</div>
+-->
+
+<div class="row">
+  <div class="col-md-12">
+    <!--
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
+
+<h1>Installing Interpreters</h1>
+
+<div id="toc"></div>
+
+<p>Apache Zeppelin provides <strong>Interpreter Installation</strong> mechanism for whom downloaded Zeppelin <code>netinst</code> binary package, or just want to install another 3rd party interpreters.</p>
+
+<h2>Community managed interpreters</h2>
+
+<p>Apache Zeppelin provides several interpreters as <a href="#available-community-managed-interpreters">community managed interpreters</a>.
+If you downloaded <code>netinst</code> binary package, you need to install by using below commands.</p>
+
+<h4>Install all community managed interpreters</h4>
+<div class="highlight"><pre><code class="language-bash" data-lang="bash"><span></span>./bin/install-interpreter.sh --all
+</code></pre></div>
+<h4>Install specific interpreters</h4>
+<div class="highlight"><pre><code class="language-bash" data-lang="bash"><span></span>./bin/install-interpreter.sh --name md,shell,jdbc,python
+</code></pre></div>
+<p>You can get full list of community managed interpreters by running</p>
+<div class="highlight"><pre><code class="language-bash" data-lang="bash"><span></span>./bin/install-interpreter.sh --list
+</code></pre></div>
+<h4>Install interpreter built with Scala 2.10</h4>
+
+<p>Zeppelin support both Scala 2.10 and 2.11 for several interpreters as below:</p>
+
+<table class="table-configuration">
+  <tr>
+    <th>Name</th>
+    <th>Maven Artifact for Scala 2.10</th>
+    <th>Maven Artifact for Scala 2.11</th>
+  </tr>
+  <tr>
+    <td>cassandra</td>
+    <td>org.apache.zeppelin:zeppelin-cassandra_2.10:0.8.0</td>
+    <td>org.apache.zeppelin:zeppelin-cassandra_2.11:0.8.0</td>
+  </tr>
+  <tr>
+    <td>flink</td>
+    <td>org.apache.zeppelin:zeppelin-flink_2.10:0.8.0</td>
+    <td>org.apache.zeppelin:zeppelin-flink_2.11:0.8.0</td>
+  </tr>
+  <tr>
+    <td>ignite</td>
+    <td>org.apache.zeppelin:zeppelin-ignite_2.10:0.8.0</td>
+    <td>org.apache.zeppelin:zeppelin-ignite_2.11:0.8.0</td>
+  </tr>
+  <tr>
+    <td>scio</td>
+    <td>org.apache.zeppelin:zeppelin-scio_2.10:0.8.0</td>
+    <td>org.apache.zeppelin:zeppelin-scio_2.11:0.8.0</td>
+  </tr>
+</table>
+
+<p>If you install one of these interpreters only with <code>--name</code> option, installer will download interpreter built with Scala 2.11 by default. If you want to specify Scala version, you will need to add <code>--artifact</code> option. Here is the example of installing flink interpreter built with Scala 2.10.</p>
+<div class="highlight"><pre><code class="language-bash" data-lang="bash"><span></span>./bin/install-interpreter.sh --name flink --artifact org.apache.zeppelin:zeppelin-flink_2.10:0.8.0
+</code></pre></div>
+<h4>Spark interpreter for scala 2.10 and 2.11</h4>
+
+<p>Starting from Zeppelin 0.8.0, Zeppelin support both scala 2.10 and 2.11 in one zeppelin instance. You don&#39;t need to install different scala specific interpreter for spark. 
+It would pick up the right scala specific interpreter for the spark distribution where <code>SPARK_HOME</code> point to.</p>
+
+<p>Here&#39;s the command to install spark interpreter</p>
+<div class="highlight"><pre><code class="language-bash" data-lang="bash"><span></span>rm -rf ./interpreter/spark
+./bin/install-interpreter.sh --name spark --artifact org.apache.zeppelin:spark-interpreter:0.8.0
+</code></pre></div>
+<p>Once you have installed interpreters, you need to restart Zeppelin. And then <a href="./overview.html#what-is-zeppelin-interpreter">create interpreter setting</a> and <a href="./overview.html#what-is-zeppelin-interpreter-setting">bind it with your notebook</a>.</p>
+
+<h2>3rd party interpreters</h2>
+
+<p>You can also install 3rd party interpreters located in the maven repository by using below commands.</p>
+
+<h4>Install 3rd party interpreters</h4>
+<div class="highlight"><pre><code class="language-bash" data-lang="bash"><span></span>./bin/install-interpreter.sh --name interpreter1 --artifact groupId1:artifact1:version1
+</code></pre></div>
+<p>The above command will download maven artifact <code>groupId1:artifact1:version1</code> and all of its transitive dependencies into <code>interpreter/interpreter1</code> directory.</p>
+
+<p>After restart Zeppelin, then <a href="./overview.html#what-is-zeppelin-interpreter">create interpreter setting</a> and <a href="./overview.html#what-is-interpreter-setting">bind it with your note</a>.</p>
+
+<h4>Install multiple 3rd party interpreters at once</h4>
+<div class="highlight"><pre><code class="language-bash" data-lang="bash"><span></span>./bin/install-interpreter.sh --name interpreter1,interpreter2 --artifact groupId1:artifact1:version1,groupId2:artifact2:version2
+</code></pre></div>
+<p><code>--name</code> and <code>--artifact</code> arguments will recieve comma separated list.</p>
+
+<h2>Available community managed interpreters</h2>
+
+<p>You can also find the below community managed interpreter list in <code>conf/interpreter-list</code> file.
+<table class="table-configuration">
+  <tr>
+    <th>Name</th>
+    <th>Maven Artifact</th>
+    <th>Description</th>
+  </tr>
+  <tr>
+    <td>alluxio</td>
+    <td>org.apache.zeppelin:zeppelin-alluxio:0.8.0</td>
+    <td>Alluxio interpreter</td>
+  </tr>
+  <tr>
+    <td>angular</td>
+    <td>org.apache.zeppelin:zeppelin-angular:0.8.0</td>
+    <td>HTML and AngularJS view rendering</td>
+  </tr>
+  <tr>
+    <td>beam</td>
+    <td>org.apache.zeppelin:zeppelin-beam:0.8.0</td>
+    <td>Beam interpreter</td>
+  </tr>
+  <tr>
+    <td>bigquery</td>
+    <td>org.apache.zeppelin:zeppelin-bigquery:0.8.0</td>
+    <td>BigQuery interpreter</td>
+  </tr>
+  <tr>
+    <td>cassandra</td>
+    <td>org.apache.zeppelin:zeppelin-cassandra_2.11:0.8.0</td>
+    <td>Cassandra interpreter built with Scala 2.11</td>
+  </tr>
+  <tr>
+    <td>elasticsearch</td>
+    <td>org.apache.zeppelin:zeppelin-elasticsearch:0.8.0</td>
+    <td>Elasticsearch interpreter</td>
+  </tr>
+  <tr>
+    <td>file</td>
+    <td>org.apache.zeppelin:zeppelin-file:0.8.0</td>
+    <td>HDFS file interpreter</td>
+  </tr>
+  <tr>
+    <td>flink</td>
+    <td>org.apache.zeppelin:zeppelin-flink_2.11:0.8.0</td>
+    <td>Flink interpreter built with Scala 2.11</td>
+  </tr>
+  <tr>
+    <td>hbase</td>
+    <td>org.apache.zeppelin:zeppelin-hbase:0.8.0</td>
+    <td>Hbase interpreter</td>
+  </tr>
+  <tr>
+    <td>ignite</td>
+    <td>org.apache.zeppelin:zeppelin-ignite_2.11:0.8.0</td>
+    <td>Ignite interpreter built with Scala 2.11</td>
+  </tr>
+  <tr>
+    <td>jdbc</td>
+    <td>org.apache.zeppelin:zeppelin-jdbc:0.8.0</td>
+    <td>Jdbc interpreter</td>
+  </tr>
+  <tr>
+    <td>kylin</td>
+    <td>org.apache.zeppelin:zeppelin-kylin:0.8.0</td>
+    <td>Kylin interpreter</td>
+  </tr>
+  <tr>
+    <td>lens</td>
+    <td>org.apache.zeppelin:zeppelin-lens:0.8.0</td>
+    <td>Lens interpreter</td>
+  </tr>
+  <tr>
+    <td>livy</td>
+    <td>org.apache.zeppelin:zeppelin-livy:0.8.0</td>
+    <td>Livy interpreter</td>
+  </tr>
+  <tr>
+    <td>md</td>
+    <td>org.apache.zeppelin:zeppelin-markdown:0.8.0</td>
+    <td>Markdown support</td>
+  </tr>
+  <tr>
+    <td>pig</td>
+    <td>org.apache.zeppelin:zeppelin-pig:0.8.0</td>
+    <td>Pig interpreter</td>
+  </tr>
+  <tr>
+    <td>python</td>
+    <td>org.apache.zeppelin:zeppelin-python:0.8.0</td>
+    <td>Python interpreter</td>
+  </tr>
+  <tr>
+    <td>scio</td>
+    <td>org.apache.zeppelin:zeppelin-scio_2.11:0.8.0</td>
+    <td>Scio interpreter built with Scala 2.11</td>
+  </tr>
+  <tr>
+    <td>shell</td>
+    <td>org.apache.zeppelin:zeppelin-shell:0.8.0</td>
+    <td>Shell command</td>
+  </tr>
+  <tr>
+    <td>sap</td>
+    <td>org.apache.zeppelin:zeppelin-sap:0.8.0</td>
+    <td>sap interpreter</td>
+  </tr>
+</table></p>
+
+  </div>
+</div>
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