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Posted to commits@zeppelin.apache.org by zj...@apache.org on 2020/12/24 14:36:06 UTC
svn commit: r1884775 [20/49] - in /zeppelin/site/docs: 0.9.0-SNAPSHOT/
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Added: zeppelin/site/docs/0.9.0/interpreter/mahout.html
URL: http://svn.apache.org/viewvc/zeppelin/site/docs/0.9.0/interpreter/mahout.html?rev=1884775&view=auto
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+ <title>Apache Zeppelin 0.9.0 Documentation: Mahout Interpreter for Apache Zeppelin</title>
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+ <li><a href="/docs/0.9.0/quickstart/python_with_zeppelin.html">Python with Zeppelin</a></li>
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+ <li>
+ <a href="#" data-toggle="dropdown" class="dropdown-toggle">Usage<b class="caret"></b></a>
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+ <li class="title"><span>Interpreter</span></li>
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+ <li class="title"><span>Other Features</span></li>
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+ <li><a href="/docs/0.9.0/usage/other_features/notebook_actions.html">Notebook Actions</a></li>
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+ <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>
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+ <a href="#" data-toggle="dropdown" class="dropdown-toggle">Setup<b class="caret"></b></a>
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+ <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>
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+ <li class="title"><span>Deployment</span></li>
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+ <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>
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+ <li>
+ <a href="#" data-toggle="dropdown" 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/hive.html">Hive</a></li>
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+ <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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+ <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>-->
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+
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+
+<!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">
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+ <link rel="apple-touch-icon" sizes="114x114" href="images/apple-touch-icon-114x114.png">
+ -->
+
+ <!-- Js -->
+ <script src="https://code.jquery.com/jquery-1.10.2.min.js"></script>
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+
+ <!-- atom & rss feed -->
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+ </head>
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+ <div class="container navbar-container">
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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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+ <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>
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+ <li><a href="/docs/0.9.0/usage/rest_api/helium.html">Helium API</a></li>
+ </ul>
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+ <li>
+ <a href="#" data-toggle="dropdown" class="dropdown-toggle">Setup<b class="caret"></b></a>
+ <ul class="dropdown-menu scrollable-menu">
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+ <li class="title"><span>Operation</span></li>
+ <li><a href="/docs/0.9.0/setup/operation/configuration.html">Configuration</a></li>
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+ <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>
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+ <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>
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+ <li><a href="/docs/0.9.0/interpreter/shell.html">Shell</a></li>
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+ <li><a href="/docs/0.9.0/interpreter/submarine.html">Submarine</a></li>
+ </ul>
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+ <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>
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+
+
+
+ <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");
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+
+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>
+
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