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+
+<!DOCTYPE html>
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+ <title>Apache Zeppelin 0.9.0 Documentation: Mahout Interpreter for Apache
Zeppelin</title>
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(the R-Like Scala DSL) for quickly creating machine learning algorithms on a
variety of engines.">
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Context</a></li>
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+ <li class="title"><span>REST API</span></li>
+ <li><a
href="/docs/0.9.0/usage/rest_api/interpreter.html">Interpreter API</a></li>
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API</a></li>
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class="dropdown-toggle">Setup<b class="caret"></b></a>
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+ <li class="title"><span>Basics</span></li>
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to Build Zeppelin</a></li>
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on CDH</a></li>
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Vagrant</a></li>
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href="/docs/0.9.0/setup/security/authentication_nginx.html">HTTP Basic Auth
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Storage</a></li>
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Shooting</a></li>
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class="dropdown-toggle">Interpreter <b class="caret"></b></a>
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+ <li class="title"><span>Interpreters</span></li>
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+ <li><a
href="/docs/0.9.0/interpreter/groovy.html">Groovy</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/hazelcastjet.html">Hazelcast Jet</a></li>
+ <li><a href="/docs/0.9.0/interpreter/hbase.html">HBase</a></li>
+ <li><a href="/docs/0.9.0/interpreter/hdfs.html">HDFS</a></li>
+ <li><a href="/docs/0.9.0/interpreter/hive.html">Hive</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/ignite.html">Ignite</a></li>
+ <li><a href="/docs/0.9.0/interpreter/java.html">Java</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/jupyter.html">Jupyter</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/kotlin.html">Kotlin</a></li>
+ <li><a href="/docs/0.9.0/interpreter/kylin.html">Kylin</a></li>
+ <li><a href="/docs/0.9.0/interpreter/lens.html">Lens</a></li>
+ <li><a href="/docs/0.9.0/interpreter/livy.html">Livy</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/markdown.html">Markdown</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/mongodb.html">MongoDB</a></li>
+ <li><a href="/docs/0.9.0/interpreter/neo4j.html">Neo4j</a></li>
+ <li><a href="/docs/0.9.0/interpreter/pig.html">Pig</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/postgresql.html">Postgresql, HAWQ</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/scalding.html">Scalding</a></li>
+ <li><a href="/docs/0.9.0/interpreter/scio.html">Scio</a></li>
+ <li><a href="/docs/0.9.0/interpreter/shell.html">Shell</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/sparql.html">Sparql</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/submarine.html">Submarine</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/0.9.0/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/0.9.0/development/helium/overview.html">Overview</a></li>
+ <li><a
href="/docs/0.9.0/development/helium/writing_application.html">Writing Helium
Application</a></li>
+ <li><a
href="/docs/0.9.0/development/helium/writing_spell.html">Writing Helium
Spell</a></li>
+ <li><a
href="/docs/0.9.0/development/helium/writing_visualization_basic.html">Writing
Helium Visualization: Basics</a></li>
+ <li><a
href="/docs/0.9.0/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/0.9.0/setup/basics/how_to_build.html">How
to Build Zeppelin</a></li>
+ <li><a
href="/docs/0.9.0/development/contribution/useful_developer_tools.html">Useful
Developer Tools</a></li>
+ <li><a
href="/docs/0.9.0/development/contribution/how_to_contribute_code.html">How to
Contribute (code)</a></li>
+ <li><a
href="/docs/0.9.0/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="https://zeppelin.apache.org/community.html";>Mailing List</a></li>
+ <li><a target="_blank"
href="https://cwiki.apache.org/confluence/display/ZEPPELIN/Zeppelin+Home";>Apache
Zeppelin Wiki</a></li>
+ <li><a target="_blank"
href="http://stackoverflow.com/questions/tagged/apache-zeppelin";>Stackoverflow
Questions about Zeppelin</a></li>
+ </ul>
+ </li>
+ <li>
+ <a href="/docs/0.9.0/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 Mahout Interpreter for Apache Zeppelin">
+ <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>Apache Mahout Interpreter for Apache Zeppelin</h1>
+
+<div id="toc"></div>
+
+<h2>Installation</h2>
+
+<p>Apache Mahout is a collection of packages that enable machine learning and
matrix algebra on underlying engines such as Apache Flink or Apache Spark. A
convenience script for creating and configuring two Mahout enabled interpreters
exists. The <code>%sparkMahout</code> and <code>%flinkMahout</code>
interpreters do not exist by default but can be easily created using this
script. </p>
+
+<h3>Easy Installation</h3>
+
+<p>To quickly and easily get up and running using Apache Mahout, run the
following command from the top-level directory of the Zeppelin install:</p>
+<div class="highlight"><pre><code class="bash language-bash"
data-lang="bash">python scripts/mahout/add_mahout.py
+</code></pre></div>
+<p>This will create the <code>%sparkMahout</code> and
<code>%flinkMahout</code> interpreters, and restart Zeppelin.</p>
+
+<h3>Advanced Installation</h3>
+
+<p>The <code>add_mahout.py</code> script contains several command line
arguments for advanced users.</p>
+
+<p><table class="table-configuration">
+ <tr>
+ <th>Argument</th>
+ <th>Description</th>
+ <th>Example</th>
+ </tr>
+ <tr>
+ <td><code>--zeppelin_home</code></td>
+ <td>This is the path to the Zeppelin installation. This flag is not
needed if the script is run from the top-level installation directory or from
the <code>zeppelin/scripts/mahout</code> directory.</td>
+ <td><code>/path/to/zeppelin</code></td>
+ </tr>
+ <tr>
+ <td><code>--mahout_home</code></td>
+ <td>If the user has already installed Mahout, this flag can set the path
to <code>MAHOUT_HOME</code>. If this is set, downloading Mahout will be
skipped.</td>
+ <td><code>/path/to/mahout_home</code></td>
+ </tr>
+ <tr>
+ <td><code>--restart_later</code></td>
+ <td>Restarting is necessary for updates to take effect. By default the
script will restart Zeppelin for you. Restart will be skipped if this flag is
set.</td>
+ <td>NA</td>
+ </tr>
+ <tr>
+ <td><code>--force_download</code></td>
+ <td>This flag will force the script to re-download the binary even if it
already exists. This is useful for previously failed downloads.</td>
+ <td>NA</td>
+ </tr>
+ <tr>
+ <td><code>--overwrite_existing</code></td>
+ <td>This flag will force the script to overwrite existing
<code>%sparkMahout</code> and <code>%flinkMahout</code> interpreters. Useful
when you want to just start over.</td>
+ <td>NA</td>
+ </tr>
+</table></p>
+
+<p><strong>NOTE 1:</strong> Apache Mahout at this time only supports Spark 1.5
and Spark 1.6 and Scala 2.10. If the user is using another version of Spark
(e.g. 2.0), the <code>%sparkMahout</code> will likely not work. The
<code>%flinkMahout</code> interpreter will still work and the user is
encouraged to develop with that engine as the code can be ported via copy and
paste, as is evidenced by the tutorial notebook.</p>
+
+<p><strong>NOTE 2:</strong> If using Apache Flink in cluster mode, the
following libraries will also need to be coppied to
<code>${FLINK_HOME}/lib</code>
+- mahout-math-0.12.2.jar
+- mahout-math-scala<em>2.10-0.12.2.jar
+- mahout-flink</em>2.10-0.12.2.jar
+- mahout-hdfs-0.12.2.jar
+- <a
href="http://central.maven.org/maven2/com/google/guava/guava/14.0.1/guava-14.0.1.jar";>com.google.guava:guava:14.0.1</a></p>
+
+<h2>Overview</h2>
+
+<p>The <a href="http://mahout.apache.org/";>Apache Mahout</a>⢠project's
goal is to build an environment for quickly creating scalable performant
machine learning applications.</p>
+
+<p>Apache Mahout software provides three major features:</p>
+
+<ul>
+<li>A simple and extensible programming environment and framework for building
scalable algorithms</li>
+<li>A wide variety of premade algorithms for Scala + Apache Spark, H2O, Apache
Flink</li>
+<li>Samsara, a vector math experimentation environment with R-like syntax
which works at scale</li>
+</ul>
+
+<p>In other words:</p>
+
+<p><em>Apache Mahout provides a unified API for quickly creating machine
learning algorithms on a variety of engines.</em></p>
+
+<h2>How to use</h2>
+
+<p>When starting a session with Apache Mahout, depending on which engine you
are using (Spark or Flink), a few imports must be made and a <em>Distributed
Context</em> must be declared. Copy and paste the following code and run once
to get started.</p>
+
+<h3>Flink</h3>
+<div class="highlight"><pre><code class="scala language-scala"
data-lang="scala"><span class="o">%</span><span class="n">flinkMahout</span>
+
+<span class="k">import</span> <span
class="nn">org.apache.flink.api.scala._</span>
+<span class="k">import</span> <span
class="nn">org.apache.mahout.math.drm._</span>
+<span class="k">import</span> <span
class="nn">org.apache.mahout.math.drm.RLikeDrmOps._</span>
+<span class="k">import</span> <span
class="nn">org.apache.mahout.flinkbindings._</span>
+<span class="k">import</span> <span class="nn">org.apache.mahout.math._</span>
+<span class="k">import</span> <span class="nn">scalabindings._</span>
+<span class="k">import</span> <span class="nn">RLikeOps._</span>
+
+<span class="k">implicit</span> <span class="k">val</span> <span
class="n">ctx</span> <span class="k">=</span> <span class="k">new</span> <span
class="nc">FlinkDistributedContext</span><span class="o">(</span><span
class="n">benv</span><span class="o">)</span>
+</code></pre></div>
+<h3>Spark</h3>
+<div class="highlight"><pre><code class="scala language-scala"
data-lang="scala"><span class="o">%</span><span class="n">sparkMahout</span>
+
+<span class="k">import</span> <span class="nn">org.apache.mahout.math._</span>
+<span class="k">import</span> <span
class="nn">org.apache.mahout.math.scalabindings._</span>
+<span class="k">import</span> <span
class="nn">org.apache.mahout.math.drm._</span>
+<span class="k">import</span> <span
class="nn">org.apache.mahout.math.scalabindings.RLikeOps._</span>
+<span class="k">import</span> <span
class="nn">org.apache.mahout.math.drm.RLikeDrmOps._</span>
+<span class="k">import</span> <span
class="nn">org.apache.mahout.sparkbindings._</span>
+
+<span class="k">implicit</span> <span class="k">val</span> <span
class="n">sdc</span><span class="k">:</span> <span
class="kt">org.apache.mahout.sparkbindings.SparkDistributedContext</span> <span
class="o">=</span> <span class="n">sc2sdc</span><span class="o">(</span><span
class="n">sc</span><span class="o">)</span>
+</code></pre></div>
+<h3>Same Code, Different Engines</h3>
+
+<p>After importing and setting up the distributed context, the Mahout R-Like
DSL is consistent across engines. The following code will run in both
<code>%flinkMahout</code> and <code>%sparkMahout</code></p>
+<div class="highlight"><pre><code class="scala language-scala"
data-lang="scala"><span class="k">val</span> <span class="n">drmData</span>
<span class="k">=</span> <span class="n">drmParallelize</span><span
class="o">(</span><span class="n">dense</span><span class="o">(</span>
+ <span class="o">(</span><span class="mi">2</span><span class="o">,</span>
<span class="mi">2</span><span class="o">,</span> <span
class="mf">10.5</span><span class="o">,</span> <span class="mi">10</span><span
class="o">,</span> <span class="mf">29.509541</span><span class="o">),</span>
<span class="c1">// Apple Cinnamon Cheerios</span>
+ <span class="o">(</span><span class="mi">1</span><span class="o">,</span>
<span class="mi">2</span><span class="o">,</span> <span
class="mi">12</span><span class="o">,</span> <span class="mi">12</span><span
class="o">,</span> <span class="mf">18.042851</span><span class="o">),</span>
<span class="c1">// Cap'n'Crunch</span>
+ <span class="o">(</span><span class="mi">1</span><span class="o">,</span>
<span class="mi">1</span><span class="o">,</span> <span
class="mi">12</span><span class="o">,</span> <span class="mi">13</span><span
class="o">,</span> <span class="mf">22.736446</span><span class="o">),</span>
<span class="c1">// Cocoa Puffs</span>
+ <span class="o">(</span><span class="mi">2</span><span class="o">,</span>
<span class="mi">1</span><span class="o">,</span> <span
class="mi">11</span><span class="o">,</span> <span class="mi">13</span><span
class="o">,</span> <span class="mf">32.207582</span><span class="o">),</span>
<span class="c1">// Froot Loops</span>
+ <span class="o">(</span><span class="mi">1</span><span class="o">,</span>
<span class="mi">2</span><span class="o">,</span> <span
class="mi">12</span><span class="o">,</span> <span class="mi">11</span><span
class="o">,</span> <span class="mf">21.871292</span><span class="o">),</span>
<span class="c1">// Honey Graham Ohs</span>
+ <span class="o">(</span><span class="mi">2</span><span class="o">,</span>
<span class="mi">1</span><span class="o">,</span> <span
class="mi">16</span><span class="o">,</span> <span class="mi">8</span><span
class="o">,</span> <span class="mf">36.187559</span><span class="o">),</span>
<span class="c1">// Wheaties Honey Gold</span>
+ <span class="o">(</span><span class="mi">6</span><span class="o">,</span>
<span class="mi">2</span><span class="o">,</span> <span
class="mi">17</span><span class="o">,</span> <span class="mi">1</span><span
class="o">,</span> <span class="mf">50.764999</span><span class="o">),</span>
<span class="c1">// Cheerios</span>
+ <span class="o">(</span><span class="mi">3</span><span class="o">,</span>
<span class="mi">2</span><span class="o">,</span> <span
class="mi">13</span><span class="o">,</span> <span class="mi">7</span><span
class="o">,</span> <span class="mf">40.400208</span><span class="o">),</span>
<span class="c1">// Clusters</span>
+ <span class="o">(</span><span class="mi">3</span><span class="o">,</span>
<span class="mi">3</span><span class="o">,</span> <span
class="mi">13</span><span class="o">,</span> <span class="mi">4</span><span
class="o">,</span> <span class="mf">45.811716</span><span class="o">)),</span>
<span class="n">numPartitions</span> <span class="k">=</span> <span
class="mi">2</span><span class="o">)</span>
+
+<span class="n">drmData</span><span class="o">.</span><span
class="n">collect</span><span class="o">(::,</span> <span class="mi">0</span>
<span class="n">until</span> <span class="mi">4</span><span class="o">)</span>
+
+<span class="k">val</span> <span class="n">drmX</span> <span
class="k">=</span> <span class="n">drmData</span><span class="o">(::,</span>
<span class="mi">0</span> <span class="n">until</span> <span
class="mi">4</span><span class="o">)</span>
+<span class="k">val</span> <span class="n">y</span> <span class="k">=</span>
<span class="n">drmData</span><span class="o">.</span><span
class="n">collect</span><span class="o">(::,</span> <span
class="mi">4</span><span class="o">)</span>
+<span class="k">val</span> <span class="n">drmXtX</span> <span
class="k">=</span> <span class="n">drmX</span><span class="o">.</span><span
class="n">t</span> <span class="o">%*%</span> <span class="n">drmX</span>
+<span class="k">val</span> <span class="n">drmXty</span> <span
class="k">=</span> <span class="n">drmX</span><span class="o">.</span><span
class="n">t</span> <span class="o">%*%</span> <span class="n">y</span>
+
+
+<span class="k">val</span> <span class="nc">XtX</span> <span
class="k">=</span> <span class="n">drmXtX</span><span class="o">.</span><span
class="n">collect</span>
+<span class="k">val</span> <span class="nc">Xty</span> <span
class="k">=</span> <span class="n">drmXty</span><span class="o">.</span><span
class="n">collect</span><span class="o">(::,</span> <span
class="mi">0</span><span class="o">)</span>
+<span class="k">val</span> <span class="n">beta</span> <span
class="k">=</span> <span class="n">solve</span><span class="o">(</span><span
class="nc">XtX</span><span class="o">,</span> <span class="nc">Xty</span><span
class="o">)</span>
+</code></pre></div>
+<h2>Leveraging Resource Pools and R for Visualization</h2>
+
+<p>Resource Pools are a powerful Zeppelin feature that lets us share
information between interpreters. A fun trick is to take the output of our work
in Mahout and analyze it in other languages.</p>
+
+<h3>Setting up a Resource Pool in Flink</h3>
+
+<p>In Spark based interpreters resource pools are accessed via the
ZeppelinContext API. To put and get things from the resource pool one can be
done simple</p>
+<div class="highlight"><pre><code class="scala language-scala"
data-lang="scala"><span class="k">val</span> <span class="n">myVal</span> <span
class="k">=</span> <span class="mi">1</span>
+<span class="n">z</span><span class="o">.</span><span
class="n">put</span><span class="o">(</span><span
class="s">"foo"</span><span class="o">,</span> <span
class="n">myVal</span><span class="o">)</span>
+<span class="k">val</span> <span class="n">myFetchedVal</span> <span
class="k">=</span> <span class="n">z</span><span class="o">.</span><span
class="n">get</span><span class="o">(</span><span
class="s">"foo"</span><span class="o">)</span>
+</code></pre></div>
+<p>To add this functionality to a Flink based interpreter we declare the
follwoing</p>
+<div class="highlight"><pre><code class="scala language-scala"
data-lang="scala"><span class="o">%</span><span class="n">flinkMahout</span>
+
+<span class="k">import</span> <span
class="nn">org.apache.zeppelin.interpreter.InterpreterContext</span>
+
+<span class="k">val</span> <span class="n">z</span> <span class="k">=</span>
<span class="nc">InterpreterContext</span><span class="o">.</span><span
class="n">get</span><span class="o">().</span><span
class="n">getResourcePool</span><span class="o">()</span>
+</code></pre></div>
+<p>Now we can access the resource pool in a consistent manner from the
<code>%flinkMahout</code> interpreter.</p>
+
+<h3>Passing a variable from Mahout to R and Plotting</h3>
+
+<p>In this simple example, we use Mahout (on Flink or Spark, the code is the
same) to create a random matrix and then take the Sin of each element. We then
randomly sample the matrix and create a tab separated string. Finally we pass
that string to R where it is read as a .tsv file, and a DataFrame is created
and plotted using native R plotting libraries.</p>
+<div class="highlight"><pre><code class="scala language-scala"
data-lang="scala"><span class="k">val</span> <span class="n">mxRnd</span> <span
class="k">=</span> <span class="nc">Matrices</span><span
class="o">.</span><span class="n">symmetricUniformView</span><span
class="o">(</span><span class="mi">5000</span><span class="o">,</span> <span
class="mi">2</span><span class="o">,</span> <span class="mi">1234</span><span
class="o">)</span>
+<span class="k">val</span> <span class="n">drmRand</span> <span
class="k">=</span> <span class="n">drmParallelize</span><span
class="o">(</span><span class="n">mxRnd</span><span class="o">)</span>
+
+
+<span class="k">val</span> <span class="n">drmSin</span> <span
class="k">=</span> <span class="n">drmRand</span><span class="o">.</span><span
class="n">mapBlock</span><span class="o">()</span> <span
class="o">{</span><span class="k">case</span> <span class="o">(</span><span
class="n">keys</span><span class="o">,</span> <span class="n">block</span><span
class="o">)</span> <span class="k">=></span>
+ <span class="k">val</span> <span class="n">blockB</span> <span
class="k">=</span> <span class="n">block</span><span class="o">.</span><span
class="n">like</span><span class="o">()</span>
+ <span class="k">for</span> <span class="o">(</span><span class="n">i</span>
<span class="k"><-</span> <span class="mi">0</span> <span
class="n">until</span> <span class="n">block</span><span
class="o">.</span><span class="n">nrow</span><span class="o">)</span> <span
class="o">{</span>
+ <span class="n">blockB</span><span class="o">(</span><span
class="n">i</span><span class="o">,</span> <span class="mi">0</span><span
class="o">)</span> <span class="k">=</span> <span class="n">block</span><span
class="o">(</span><span class="n">i</span><span class="o">,</span> <span
class="mi">0</span><span class="o">)</span>
+ <span class="n">blockB</span><span class="o">(</span><span
class="n">i</span><span class="o">,</span> <span class="mi">1</span><span
class="o">)</span> <span class="k">=</span> <span class="nc">Math</span><span
class="o">.</span><span class="n">sin</span><span class="o">((</span><span
class="n">block</span><span class="o">(</span><span class="n">i</span><span
class="o">,</span> <span class="mi">0</span><span class="o">)</span> <span
class="o">*</span> <span class="mi">8</span><span class="o">))</span>
+ <span class="o">}</span>
+ <span class="n">keys</span> <span class="o">-></span> <span
class="n">blockB</span>
+<span class="o">}</span>
+
+<span class="n">z</span><span class="o">.</span><span
class="n">put</span><span class="o">(</span><span
class="s">"sinDrm"</span><span class="o">,</span> <span
class="n">org</span><span class="o">.</span><span class="n">apache</span><span
class="o">.</span><span class="n">mahout</span><span class="o">.</span><span
class="n">math</span><span class="o">.</span><span class="n">drm</span><span
class="o">.</span><span class="n">drmSampleToTSV</span><span
class="o">(</span><span class="n">drmSin</span><span class="o">,</span> <span
class="mf">0.85</span><span class="o">))</span>
+</code></pre></div>
+<p>And then in an R paragraph...</p>
+<div class="highlight"><pre><code class="r language-r" data-lang="r">%spark.r
<span class="p">{</span><span class="s">"imageWidth"</span><span
class="o">:</span> <span class="s">"400px"</span><span
class="p">}</span>
+
+library<span class="p">(</span><span class="s">"ggplot2"</span><span
class="p">)</span>
+
+sinStr <span class="o">=</span> z.get<span class="p">(</span><span
class="s">"flinkSinDrm"</span><span class="p">)</span>
+
+data <span class="o"><-</span> read.table<span class="p">(</span>text<span
class="o">=</span> sinStr<span class="p">,</span> sep<span
class="o">=</span><span class="s">"\t"</span><span class="p">,</span>
header<span class="o">=</span><span class="kc">FALSE</span><span
class="p">)</span>
+
+plot<span class="p">(</span>data<span class="p">,</span> col<span
class="o">=</span><span class="s">"red"</span><span class="p">)</span>
+</code></pre></div>
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Added: zeppelin/site/docs/0.9.0/interpreter/markdown.html
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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/0.9.0/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/0.9.0/usage/display_system/basic.html#text">Text Display</a></li>
+ <li><a
href="/docs/0.9.0/usage/display_system/basic.html#html">HTML Display</a></li>
+ <li><a
href="/docs/0.9.0/usage/display_system/basic.html#table">Table Display</a></li>
+ <li><a
href="/docs/0.9.0/usage/display_system/basic.html#network">Network
Display</a></li>
+ <li><a
href="/docs/0.9.0/usage/display_system/angular_backend.html">Angular Display
using Backend API</a></li>
+ <li><a
href="/docs/0.9.0/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/0.9.0/usage/interpreter/overview.html">Overview</a></li>
+ <li><a
href="/docs/0.9.0/usage/interpreter/interpreter_binding_mode.html">Interpreter
Binding Mode</a></li>
+ <li><a
href="/docs/0.9.0/usage/interpreter/user_impersonation.html">User
Impersonation</a></li>
+ <li><a
href="/docs/0.9.0/usage/interpreter/dependency_management.html">Dependency
Management</a></li>
+ <li><a
href="/docs/0.9.0/usage/interpreter/installation.html">Installing
Interpreters</a></li>
+ <!--<li><a
href="/docs/0.9.0/usage/interpreter/dynamic_loading.html">Dynamic Interpreter
Loading (Experimental)</a></li>-->
+ <li><a
href="/docs/0.9.0/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/0.9.0/usage/other_features/publishing_paragraphs.html">Publishing
Paragraphs</a></li>
+ <li><a
href="/docs/0.9.0/usage/other_features/personalized_mode.html">Personalized
Mode</a></li>
+ <li><a
href="/docs/0.9.0/usage/other_features/customizing_homepage.html">Customizing
Zeppelin Homepage</a></li>
+ <li><a
href="/docs/0.9.0/usage/other_features/notebook_actions.html">Notebook
Actions</a></li>
+ <li><a
href="/docs/0.9.0/usage/other_features/cron_scheduler.html">Cron
Scheduler</a></li>
+ <li><a
href="/docs/0.9.0/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/0.9.0/usage/rest_api/interpreter.html">Interpreter API</a></li>
+ <li><a
href="/docs/0.9.0/usage/rest_api/zeppelin_server.html">Zeppelin Server
API</a></li>
+ <li><a
href="/docs/0.9.0/usage/rest_api/notebook.html">Notebook API</a></li>
+ <li><a
href="/docs/0.9.0/usage/rest_api/notebook_repository.html">Notebook Repository
API</a></li>
+ <li><a
href="/docs/0.9.0/usage/rest_api/configuration.html">Configuration API</a></li>
+ <li><a
href="/docs/0.9.0/usage/rest_api/credential.html">Credential API</a></li>
+ <li><a href="/docs/0.9.0/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/0.9.0/setup/basics/how_to_build.html">How
to Build Zeppelin</a></li>
+ <li><a
href="/docs/0.9.0/setup/basics/hadoop_integration.html">Hadoop
Integration</a></li>
+ <li><a
href="/docs/0.9.0/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/0.9.0/setup/deployment/docker.html">Docker Image for
Zeppelin</a></li>-->
+ <li><a
href="/docs/0.9.0/setup/deployment/spark_cluster_mode.html#spark-standalone-mode">Spark
Cluster Mode: Standalone</a></li>
+ <li><a
href="/docs/0.9.0/setup/deployment/spark_cluster_mode.html#spark-on-yarn-mode">Spark
Cluster Mode: YARN</a></li>
+ <li><a
href="/docs/0.9.0/setup/deployment/spark_cluster_mode.html#spark-on-mesos-mode">Spark
Cluster Mode: Mesos</a></li>
+ <li><a
href="/docs/0.9.0/setup/deployment/flink_and_spark_cluster.html">Zeppelin with
Flink, Spark Cluster</a></li>
+ <li><a href="/docs/0.9.0/setup/deployment/cdh.html">Zeppelin
on CDH</a></li>
+ <li><a
href="/docs/0.9.0/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/0.9.0/setup/security/authentication_nginx.html">HTTP Basic Auth
using NGINX</a></li>
+ <li><a
href="/docs/0.9.0/setup/security/shiro_authentication.html">Shiro
Authentication</a></li>
+ <li><a
href="/docs/0.9.0/setup/security/notebook_authorization.html">Notebook
Authorization</a></li>
+ <li><a
href="/docs/0.9.0/setup/security/datasource_authorization.html">Data Source
Authorization</a></li>
+ <li><a
href="/docs/0.9.0/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/0.9.0/setup/storage/storage.html#notebook-storage-in-local-git-repository">Git
Storage</a></li>
+ <li><a
href="/docs/0.9.0/setup/storage/storage.html#notebook-storage-in-s3">S3
Storage</a></li>
+ <li><a
href="/docs/0.9.0/setup/storage/storage.html#notebook-storage-in-azure">Azure
Storage</a></li>
+ <li><a
href="/docs/0.9.0/setup/storage/storage.html#notebook-storage-in-oss">OSS
Storage</a></li>
+ <li><a
href="/docs/0.9.0/setup/storage/storage.html#notebook-storage-in-zeppelinhub">ZeppelinHub
Storage</a></li>
+ <li><a
href="/docs/0.9.0/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/0.9.0/setup/operation/configuration.html">Configuration</a></li>
+ <li><a
href="/docs/0.9.0/setup/operation/proxy_setting.html">Proxy Setting</a></li>
+ <li><a
href="/docs/0.9.0/setup/operation/upgrading.html">Upgrading</a></li>
+ <li><a
href="/docs/0.9.0/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/0.9.0/usage/interpreter/overview.html">Overview</a></li>
+ <li role="separator" class="divider"></li>
+ <li><a href="/docs/0.9.0/interpreter/spark.html">Spark</a></li>
+ <li><a href="/docs/0.9.0/interpreter/jdbc.html">JDBC</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/python.html">Python</a></li>
+ <li><a href="/docs/0.9.0/interpreter/r.html">R</a></li>
+ <li role="separator" class="divider"></li>
+ <li><a
href="/docs/0.9.0/interpreter/alluxio.html">Alluxio</a></li>
+ <li><a href="/docs/0.9.0/interpreter/beam.html">Beam</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/bigquery.html">BigQuery</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/cassandra.html">Cassandra</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/elasticsearch.html">Elasticsearch</a></li>
+ <li><a href="/docs/0.9.0/interpreter/flink.html">Flink</a></li>
+ <li><a href="/docs/0.9.0/interpreter/geode.html">Geode</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/groovy.html">Groovy</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/hazelcastjet.html">Hazelcast Jet</a></li>
+ <li><a href="/docs/0.9.0/interpreter/hbase.html">HBase</a></li>
+ <li><a href="/docs/0.9.0/interpreter/hdfs.html">HDFS</a></li>
+ <li><a href="/docs/0.9.0/interpreter/hive.html">Hive</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/ignite.html">Ignite</a></li>
+ <li><a href="/docs/0.9.0/interpreter/java.html">Java</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/jupyter.html">Jupyter</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/kotlin.html">Kotlin</a></li>
+ <li><a href="/docs/0.9.0/interpreter/kylin.html">Kylin</a></li>
+ <li><a href="/docs/0.9.0/interpreter/lens.html">Lens</a></li>
+ <li><a href="/docs/0.9.0/interpreter/livy.html">Livy</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/markdown.html">Markdown</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/mongodb.html">MongoDB</a></li>
+ <li><a href="/docs/0.9.0/interpreter/neo4j.html">Neo4j</a></li>
+ <li><a href="/docs/0.9.0/interpreter/pig.html">Pig</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/postgresql.html">Postgresql, HAWQ</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/scalding.html">Scalding</a></li>
+ <li><a href="/docs/0.9.0/interpreter/scio.html">Scio</a></li>
+ <li><a href="/docs/0.9.0/interpreter/shell.html">Shell</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/sparql.html">Sparql</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/submarine.html">Submarine</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/0.9.0/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/0.9.0/development/helium/overview.html">Overview</a></li>
+ <li><a
href="/docs/0.9.0/development/helium/writing_application.html">Writing Helium
Application</a></li>
+ <li><a
href="/docs/0.9.0/development/helium/writing_spell.html">Writing Helium
Spell</a></li>
+ <li><a
href="/docs/0.9.0/development/helium/writing_visualization_basic.html">Writing
Helium Visualization: Basics</a></li>
+ <li><a
href="/docs/0.9.0/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/0.9.0/setup/basics/how_to_build.html">How
to Build Zeppelin</a></li>
+ <li><a
href="/docs/0.9.0/development/contribution/useful_developer_tools.html">Useful
Developer Tools</a></li>
+ <li><a
href="/docs/0.9.0/development/contribution/how_to_contribute_code.html">How to
Contribute (code)</a></li>
+ <li><a
href="/docs/0.9.0/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="https://zeppelin.apache.org/community.html";>Mailing List</a></li>
+ <li><a target="_blank"
href="https://cwiki.apache.org/confluence/display/ZEPPELIN/Zeppelin+Home";>Apache
Zeppelin Wiki</a></li>
+ <li><a target="_blank"
href="http://stackoverflow.com/questions/tagged/apache-zeppelin";>Stackoverflow
Questions about Zeppelin</a></li>
+ </ul>
+ </li>
+ <li>
+ <a href="/docs/0.9.0/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 Markdown Interpreter for Apache Zeppelin">
+ <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>Markdown Interpreter for Apache Zeppelin</h1>
+
+<div id="toc"></div>
+
+<h2>Overview</h2>
+
+<p><a href="http://daringfireball.net/projects/markdown/";>Markdown</a> is a
plain text formatting syntax designed so that it can be converted to HTML.
+Apache Zeppelin uses <a
href="https://github.com/vsch/flexmark-java";>flexmark</a>, <a
href="https://github.com/sirthias/pegdown";>pegdown</a> and <a
href="https://github.com/jdcasey/markdown4j";>markdown4j</a> as markdown
parsers.</p>
+
+<p>In Zeppelin notebook, you can use <code>%md</code> in the beginning of a
paragraph to invoke the Markdown interpreter and generate static html from
Markdown plain text.</p>
+
+<p>In Zeppelin, Markdown interpreter is enabled by default and uses the <a
href="https://github.com/sirthias/pegdown";>pegdown</a> parser.</p>
+
+<p><img
src="/docs/0.9.0/assets/themes/zeppelin/img/docs-img/markdown-interpreter-setting.png"
width="60%" /></p>
+
+<h2>Example</h2>
+
+<p>The following example demonstrates the basic usage of Markdown in a
Zeppelin notebook.</p>
+
+<p><img
src="/docs/0.9.0/assets/themes/zeppelin/img/docs-img/markdown-example.png"
width="70%" /></p>
+
+<h2>Mathematical expression</h2>
+
+<p>Markdown interpreter leverages %html display system internally. That means
you can mix mathematical expressions with markdown syntax.
+For more information, please see <a
href="../usage/display_system/basic.html#mathematical-expressions">Mathematical
Expression</a> section.</p>
+
+<h2>Configuration</h2>
+
+<table class="table-configuration">
+ <tr>
+ <th>Name</th>
+ <th>Default Value</th>
+ <th>Description</th>
+ </tr>
+ <tr>
+ <td>markdown.parser.type</td>
+ <td>flexmark</td>
+ <td>Markdown Parser Type. <br/> Available values: flexmark, pegdown,
markdown4j.</td>
+ </tr>
+</table>
+
+<h3>Flexmark parser (Default Markdown Parser)</h3>
+
+<p>CommonMark/Markdown Java parser with source level AST.</p>
+
+<p><img
src="/docs/0.9.0/assets/themes/zeppelin/img/docs-img/markdown-example-flexmark-parser.png"
width="70%" /></p>
+
+<p><code>flexmark</code> parser provides <a href="http://yuml.me/";>YUML</a>
and <a href="https://www.websequencediagrams.com/";>Websequence</a> extensions
also.</p>
+
+<p><img
src="/docs/0.9.0/assets/themes/zeppelin/img/docs-img/markdown-example-flexmark-parser-extensions.png"
width="70%" /></p>
+
+<h3>Pegdown Parser</h3>
+
+<p><code>pegdown</code> parser provides github flavored markdown. Although
still one of the most popular Markdown parsing libraries for the JVM, pegdown
has reached its end of life.
+The project is essentially unmaintained with tickets piling up and crucial
bugs not being fixed.<code>pegdown</code>'s parsing performance isn't
great. But keep this parser for the backward compatibility.</p>
+
+<h3>Markdown4j Parser</h3>
+
+<p>Since <code>pegdown</code> parser is more accurate and provides much more
markdown syntax <code>markdown4j</code> option might be removed later. But keep
this parser for the backward compatibility.</p>
+
+ </div>
+</div>
+
+
+ <hr>
+ <footer>
+ <!-- <p>© 2020 The Apache Software Foundation</p>-->
+ </footer>
+ </div>
+
+
+
+
+ <script type="text/javascript">
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+
+ </body>
+</html>
+
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@@ -0,0 +1,388 @@
+
+<!DOCTYPE html>
+<html lang="en">
+ <head>
+ <meta charset="utf-8">
+ <title>Apache Zeppelin 0.9.0 Documentation: MongoDB Interpreter for Apache
Zeppelin</title>
+ <meta name="description" content="MongoDB is a general purpose,
document-based, distributed database built for modern application developers
and for the cloud era.">
+ <meta name="author" content="The Apache Software Foundation">
+
+ <!-- Enable responsive viewport -->
+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
+
+ <!-- Le HTML5 shim, for IE6-8 support of HTML elements -->
+ <!--[if lt IE 9]>
+ <script src="http://html5shim.googlecode.com/svn/trunk/html5.js";></script>
+ <![endif]-->
+
+ <link
href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css"
rel="stylesheet">
+
+ <!-- Le styles -->
+ <link
href="/docs/0.9.0/assets/themes/zeppelin/bootstrap/css/bootstrap.css"
rel="stylesheet">
+ <link href="/docs/0.9.0/assets/themes/zeppelin/css/style.css?body=1"
rel="stylesheet" type="text/css">
+ <link href="/docs/0.9.0/assets/themes/zeppelin/css/syntax.css"
rel="stylesheet" type="text/css" media="screen" />
+ <!-- Le fav and touch icons -->
+ <!-- Update these with your own images
+ <link rel="shortcut icon" href="images/favicon.ico">
+ <link rel="apple-touch-icon" href="images/apple-touch-icon.png">
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href="images/apple-touch-icon-72x72.png">
+ <link rel="apple-touch-icon" sizes="114x114"
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+ -->
+
+ <!-- Js -->
+ <script src="https://code.jquery.com/jquery-1.10.2.min.js";></script>
+ <script
src="/docs/0.9.0/assets/themes/zeppelin/bootstrap/js/bootstrap.min.js"></script>
+ <script src="/docs/0.9.0/assets/themes/zeppelin/js/docs.js"></script>
+ <script src="/docs/0.9.0/assets/themes/zeppelin/js/anchor.min.js"></script>
+ <script src="/docs/0.9.0/assets/themes/zeppelin/js/toc.js"></script>
+ <script src="/docs/0.9.0/assets/themes/zeppelin/js/lunr.min.js"></script>
+ <script src="/docs/0.9.0/assets/themes/zeppelin/js/search.js"></script>
+
+ <!-- atom & rss feed -->
+ <link href="/docs/0.9.0/atom.xml" type="application/atom+xml"
rel="alternate" title="Sitewide ATOM Feed">
+ <link href="/docs/0.9.0/rss.xml" type="application/rss+xml"
rel="alternate" title="Sitewide RSS Feed">
+ </head>
+
+ <body>
+
+ <div id="menu" class="navbar navbar-inverse navbar-fixed-top"
role="navigation">
+ <div class="container navbar-container">
+ <div class="navbar-header">
+ <button type="button" class="navbar-toggle" data-toggle="collapse"
data-target=".navbar-collapse">
+ <span class="sr-only">Toggle navigation</span>
+ <span class="icon-bar"></span>
+ <span class="icon-bar"></span>
+ <span class="icon-bar"></span>
+ </button>
+ <div class="navbar-brand">
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+ <img
src="/docs/0.9.0/assets/themes/zeppelin/img/zeppelin_logo.png" width="50"
+ style="margin-top: -2px;" alt="I'm zeppelin">
+ <span style="margin-left: 5px; font-size: 27px;">Zeppelin</span>
+ <a class="navbar-brand-version" href="/docs/0.9.0"
+ style="font-size: 15px; color: white;"> 0.9.0
+ </a>
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+ </div>
+ <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/0.9.0/quickstart/install.html">Install</a></li>
+ <li><a href="/docs/0.9.0/quickstart/explore_ui.html">Explore
UI</a></li>
+ <li><a
href="/docs/0.9.0/quickstart/tutorial.html">Tutorial</a></li>
+ <li role="separator" class="divider"></li>
+ <li class="title"><span>Run Mode</span></li>
+ <li><a
href="/docs/0.9.0/quickstart/kubernetes.html">Kubernetes</a></li>
+ <li><a
href="/docs/0.9.0/quickstart/docker.html">Docker</a></li>
+ <li><a href="/docs/0.9.0/quickstart/yarn.html">Yarn</a></li>
+ <li role="separator" class="divider"></li>
+ <li><a
href="/docs/0.9.0/quickstart/spark_with_zeppelin.html">Spark with
Zeppelin</a></li>
+ <li><a
href="/docs/0.9.0/quickstart/sql_with_zeppelin.html">SQL with Zeppelin</a></li>
+ <li><a
href="/docs/0.9.0/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/0.9.0/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/0.9.0/usage/display_system/basic.html#text">Text Display</a></li>
+ <li><a
href="/docs/0.9.0/usage/display_system/basic.html#html">HTML Display</a></li>
+ <li><a
href="/docs/0.9.0/usage/display_system/basic.html#table">Table Display</a></li>
+ <li><a
href="/docs/0.9.0/usage/display_system/basic.html#network">Network
Display</a></li>
+ <li><a
href="/docs/0.9.0/usage/display_system/angular_backend.html">Angular Display
using Backend API</a></li>
+ <li><a
href="/docs/0.9.0/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/0.9.0/usage/interpreter/overview.html">Overview</a></li>
+ <li><a
href="/docs/0.9.0/usage/interpreter/interpreter_binding_mode.html">Interpreter
Binding Mode</a></li>
+ <li><a
href="/docs/0.9.0/usage/interpreter/user_impersonation.html">User
Impersonation</a></li>
+ <li><a
href="/docs/0.9.0/usage/interpreter/dependency_management.html">Dependency
Management</a></li>
+ <li><a
href="/docs/0.9.0/usage/interpreter/installation.html">Installing
Interpreters</a></li>
+ <!--<li><a
href="/docs/0.9.0/usage/interpreter/dynamic_loading.html">Dynamic Interpreter
Loading (Experimental)</a></li>-->
+ <li><a
href="/docs/0.9.0/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/0.9.0/usage/other_features/publishing_paragraphs.html">Publishing
Paragraphs</a></li>
+ <li><a
href="/docs/0.9.0/usage/other_features/personalized_mode.html">Personalized
Mode</a></li>
+ <li><a
href="/docs/0.9.0/usage/other_features/customizing_homepage.html">Customizing
Zeppelin Homepage</a></li>
+ <li><a
href="/docs/0.9.0/usage/other_features/notebook_actions.html">Notebook
Actions</a></li>
+ <li><a
href="/docs/0.9.0/usage/other_features/cron_scheduler.html">Cron
Scheduler</a></li>
+ <li><a
href="/docs/0.9.0/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/0.9.0/usage/rest_api/interpreter.html">Interpreter API</a></li>
+ <li><a
href="/docs/0.9.0/usage/rest_api/zeppelin_server.html">Zeppelin Server
API</a></li>
+ <li><a
href="/docs/0.9.0/usage/rest_api/notebook.html">Notebook API</a></li>
+ <li><a
href="/docs/0.9.0/usage/rest_api/notebook_repository.html">Notebook Repository
API</a></li>
+ <li><a
href="/docs/0.9.0/usage/rest_api/configuration.html">Configuration API</a></li>
+ <li><a
href="/docs/0.9.0/usage/rest_api/credential.html">Credential API</a></li>
+ <li><a href="/docs/0.9.0/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/0.9.0/setup/basics/how_to_build.html">How
to Build Zeppelin</a></li>
+ <li><a
href="/docs/0.9.0/setup/basics/hadoop_integration.html">Hadoop
Integration</a></li>
+ <li><a
href="/docs/0.9.0/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/0.9.0/setup/deployment/docker.html">Docker Image for
Zeppelin</a></li>-->
+ <li><a
href="/docs/0.9.0/setup/deployment/spark_cluster_mode.html#spark-standalone-mode">Spark
Cluster Mode: Standalone</a></li>
+ <li><a
href="/docs/0.9.0/setup/deployment/spark_cluster_mode.html#spark-on-yarn-mode">Spark
Cluster Mode: YARN</a></li>
+ <li><a
href="/docs/0.9.0/setup/deployment/spark_cluster_mode.html#spark-on-mesos-mode">Spark
Cluster Mode: Mesos</a></li>
+ <li><a
href="/docs/0.9.0/setup/deployment/flink_and_spark_cluster.html">Zeppelin with
Flink, Spark Cluster</a></li>
+ <li><a href="/docs/0.9.0/setup/deployment/cdh.html">Zeppelin
on CDH</a></li>
+ <li><a
href="/docs/0.9.0/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/0.9.0/setup/security/authentication_nginx.html">HTTP Basic Auth
using NGINX</a></li>
+ <li><a
href="/docs/0.9.0/setup/security/shiro_authentication.html">Shiro
Authentication</a></li>
+ <li><a
href="/docs/0.9.0/setup/security/notebook_authorization.html">Notebook
Authorization</a></li>
+ <li><a
href="/docs/0.9.0/setup/security/datasource_authorization.html">Data Source
Authorization</a></li>
+ <li><a
href="/docs/0.9.0/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/0.9.0/setup/storage/storage.html#notebook-storage-in-local-git-repository">Git
Storage</a></li>
+ <li><a
href="/docs/0.9.0/setup/storage/storage.html#notebook-storage-in-s3">S3
Storage</a></li>
+ <li><a
href="/docs/0.9.0/setup/storage/storage.html#notebook-storage-in-azure">Azure
Storage</a></li>
+ <li><a
href="/docs/0.9.0/setup/storage/storage.html#notebook-storage-in-oss">OSS
Storage</a></li>
+ <li><a
href="/docs/0.9.0/setup/storage/storage.html#notebook-storage-in-zeppelinhub">ZeppelinHub
Storage</a></li>
+ <li><a
href="/docs/0.9.0/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/0.9.0/setup/operation/configuration.html">Configuration</a></li>
+ <li><a
href="/docs/0.9.0/setup/operation/proxy_setting.html">Proxy Setting</a></li>
+ <li><a
href="/docs/0.9.0/setup/operation/upgrading.html">Upgrading</a></li>
+ <li><a
href="/docs/0.9.0/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/0.9.0/usage/interpreter/overview.html">Overview</a></li>
+ <li role="separator" class="divider"></li>
+ <li><a href="/docs/0.9.0/interpreter/spark.html">Spark</a></li>
+ <li><a href="/docs/0.9.0/interpreter/jdbc.html">JDBC</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/python.html">Python</a></li>
+ <li><a href="/docs/0.9.0/interpreter/r.html">R</a></li>
+ <li role="separator" class="divider"></li>
+ <li><a
href="/docs/0.9.0/interpreter/alluxio.html">Alluxio</a></li>
+ <li><a href="/docs/0.9.0/interpreter/beam.html">Beam</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/bigquery.html">BigQuery</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/cassandra.html">Cassandra</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/elasticsearch.html">Elasticsearch</a></li>
+ <li><a href="/docs/0.9.0/interpreter/flink.html">Flink</a></li>
+ <li><a href="/docs/0.9.0/interpreter/geode.html">Geode</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/groovy.html">Groovy</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/hazelcastjet.html">Hazelcast Jet</a></li>
+ <li><a href="/docs/0.9.0/interpreter/hbase.html">HBase</a></li>
+ <li><a href="/docs/0.9.0/interpreter/hdfs.html">HDFS</a></li>
+ <li><a href="/docs/0.9.0/interpreter/hive.html">Hive</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/ignite.html">Ignite</a></li>
+ <li><a href="/docs/0.9.0/interpreter/java.html">Java</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/jupyter.html">Jupyter</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/kotlin.html">Kotlin</a></li>
+ <li><a href="/docs/0.9.0/interpreter/kylin.html">Kylin</a></li>
+ <li><a href="/docs/0.9.0/interpreter/lens.html">Lens</a></li>
+ <li><a href="/docs/0.9.0/interpreter/livy.html">Livy</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/markdown.html">Markdown</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/mongodb.html">MongoDB</a></li>
+ <li><a href="/docs/0.9.0/interpreter/neo4j.html">Neo4j</a></li>
+ <li><a href="/docs/0.9.0/interpreter/pig.html">Pig</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/postgresql.html">Postgresql, HAWQ</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/scalding.html">Scalding</a></li>
+ <li><a href="/docs/0.9.0/interpreter/scio.html">Scio</a></li>
+ <li><a href="/docs/0.9.0/interpreter/shell.html">Shell</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/sparql.html">Sparql</a></li>
+ <li><a
href="/docs/0.9.0/interpreter/submarine.html">Submarine</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/0.9.0/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/0.9.0/development/helium/overview.html">Overview</a></li>
+ <li><a
href="/docs/0.9.0/development/helium/writing_application.html">Writing Helium
Application</a></li>
+ <li><a
href="/docs/0.9.0/development/helium/writing_spell.html">Writing Helium
Spell</a></li>
+ <li><a
href="/docs/0.9.0/development/helium/writing_visualization_basic.html">Writing
Helium Visualization: Basics</a></li>
+ <li><a
href="/docs/0.9.0/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/0.9.0/setup/basics/how_to_build.html">How
to Build Zeppelin</a></li>
+ <li><a
href="/docs/0.9.0/development/contribution/useful_developer_tools.html">Useful
Developer Tools</a></li>
+ <li><a
href="/docs/0.9.0/development/contribution/how_to_contribute_code.html">How to
Contribute (code)</a></li>
+ <li><a
href="/docs/0.9.0/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="https://zeppelin.apache.org/community.html";>Mailing List</a></li>
+ <li><a target="_blank"
href="https://cwiki.apache.org/confluence/display/ZEPPELIN/Zeppelin+Home";>Apache
Zeppelin Wiki</a></li>
+ <li><a target="_blank"
href="http://stackoverflow.com/questions/tagged/apache-zeppelin";>Stackoverflow
Questions about Zeppelin</a></li>
+ </ul>
+ </li>
+ <li>
+ <a href="/docs/0.9.0/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 MongoDB Interpreter for Apache Zeppelin">
+ <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>MongoDB interpreter for Apache Zeppelin</h1>
+
+<div id="toc"></div>
+
+<h2>Overview</h2>
+
+<p><a href="https://www.mongodb.com/";>MongoDB</a> is a general purpose,
document-based, distributed database built for modern application developers
and for the cloud era.
+This interpreter use mongo shell to execute <a
href="https://docs.mongodb.com/manual/tutorial/write-scripts-for-the-mongo-shell/";>scripts</a>
+Use mongo-shell <code>JavaScript</code> to analyze data as you need.</p>
+
+<h2>Installing AND Configuration</h2>
+
+<p>First, you need to install mongo shell with Zeppelin in the same machine.
+If you use mac with brew, follow this instructions.
+<code>
+brew tap mongodb/brew
+brew install mongodb/brew/mongodb-community-shell
+</code>
+Or you can follow this <a href="https://docs.mongodb.com/manual/mongo/";>mongo
shell</a>
+Second, create mongodb interpreter in Zeppelin.
+<img
src="/docs/0.9.0/assets/themes/zeppelin/img/docs-img/mongo-interpreter-install.png"
alt="MongoDB interpreter install">
+<table class="table-configuration">
+ <tr>
+ <th>Name</th>
+ <th>Default Value</th>
+ <th>Description</th>
+ </tr>
+ <tr>
+ <td>mongo.shell.path</td>
+ <td>mongo</td>
+ <td>MongoDB shell local path. <br/> Use <code>which mongo</code> to get
local path in linux or mac.</td>
+ </tr>
+ <tr>
+ <td>mongo.shell.command.table.limit</td>
+ <td>1000</td>
+ <td>Limit of documents displayed in a table. <br/> Use table function
when get data from mongodb</td>
+ </tr>
+ <tr>
+ <td>mongo.shell.command.timeout</td>
+ <td>60000</td>
+ <td>MongoDB shell command timeout in millisecond</td>
+ </tr>
+ <tr>
+ <td>mongo.server.host</td>
+ <td>localhost</td>
+ <td>MongoDB server host to connect to</td>
+ </tr>
+ <tr>
+ <td>mongo.server.port</td>
+ <td>27017</td>
+ <td>MongoDB server port to connect to</td>
+ </tr>
+ <tr>
+ <td>mongo.server.database</td>
+ <td>test</td>
+ <td>MongoDB database name</td>
+ </tr>
+ <tr>
+ <td>mongo.server.authentdatabase</td>
+ <td></td>
+ <td>MongoDB database name for authentication</td>
+ </tr>
+ <tr>
+ <td>mongo.server.username</td>
+ <td></td>
+ <td>Username for authentication</td>
+ </tr>
+ <tr>
+ <td>mongo.server.password</td>
+ <td></td>
+ <td>Password for authentication</td>
+ </tr>
+ <tr>
+ <td>mongo.interpreter.concurrency.max</td>
+ <td>10</td>
+ <td>Max count of scheduler concurrency</td>
+ </tr>
+</table></p>
+
+<h2>Examples</h2>
+
+<p>The following example demonstrates the basic usage of MongoDB in a Zeppelin
notebook.
+<img src="/docs/0.9.0/assets/themes/zeppelin/img/docs-img/mongo-examples.png"
alt="MongoDB interpreter examples">
+Or you can monitor stats of mongodb collections.
+<img
src="/docs/0.9.0/assets/themes/zeppelin/img/docs-img/mongo-interpreter-monitor.png"
alt="MongoDB interpreter examples"></p>
+
+ </div>
+</div>
+
+
+ <hr>
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+ <!-- <p>© 2020 The Apache Software Foundation</p>-->
+ </footer>
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