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From m...@apache.org
Subject svn commit: r1715104 [16/28] - in /incubator/zeppelin/site: ./ assets/themes/twitter/ assets/themes/zeppelin/css/ assets/themes/zeppelin/img/docs-img/ docs/ docs/0.5.0-incubating/ docs/0.5.0-incubating/assets/ docs/0.5.0-incubating/assets/themes/ docs/...
Date Thu, 19 Nov 2015 06:38:19 GMT
Added: incubator/zeppelin/site/docs/0.5.5-incubating/interpreter/cassandra.html
URL: http://svn.apache.org/viewvc/incubator/zeppelin/site/docs/0.5.5-incubating/interpreter/cassandra.html?rev=1715104&view=auto
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+
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <title>Cassandra Interpreter</title>
+    <meta name="description" content="Cassandra Interpreter">
+    <meta name="author" content="The Apache Software Foundation">
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+          </ul>
+        </nav><!--/.navbar-collapse -->
+      </div>
+    </div>
+
+
+    <div class="container">
+      
+<!--<div class="hero-unit Cassandra Interpreter">
+  <h1></h1>
+</div>
+-->
+
+<div class="row">
+  <div class="col-md-12">
+    <hr/>
+
+<h2>1. Cassandra CQL Interpreter for Apache Zeppelin</h2>
+
+<p><br/>
+<table class="table-configuration">
+  <tr>
+    <th>Name</th>
+    <th>Class</th>
+    <th>Description</th>
+  </tr>
+  <tr>
+    <td>%cassandra</td>
+    <td>CassandraInterpreter</td>
+    <td>Provides interpreter for Apache Cassandra CQL query language</td>
+  </tr>
+</table></p>
+
+<hr/>
+
+<h2>2. Enabling Cassandra Interpreter</h2>
+
+<p>In a notebook, to enable the <strong>Cassandra</strong> interpreter, click on the <strong>Gear</strong> icon and select <strong>Cassandra</strong></p>
+
+<p><center>
+ <img src="/assets/themes/zeppelin/img/docs-img/cassandra-InterpreterBinding.png" alt="Interpreter Binding"></p>
+
+<p><img src="/assets/themes/zeppelin/img/docs-img/cassandra-InterpreterSelection.png" alt="Interpreter Selection">
+ </center></p>
+
+<hr/>
+
+<h2>3. Using the Cassandra Interpreter</h2>
+
+<p>In a paragraph, use <strong><em>%cassandra</em></strong> to select the <strong>Cassandra</strong> interpreter and then input all commands.</p>
+
+<p>To access the interactive help, type <strong>HELP;</strong></p>
+
+<p><center>
+  <img src="/assets/themes/zeppelin/img/docs-img/cassandra-InteractiveHelp.png" alt="Interactive Help">
+ </center></p>
+
+<hr/>
+
+<h2>4. Interpreter Commands</h2>
+
+<p>The <strong>Cassandra</strong> interpreter accepts the following commands</p>
+
+<p><center>
+  <table class="table-configuration">
+    <tr>
+      <th>Command Type</th>
+      <th>Command Name</th>
+      <th>Description</th>
+    </tr>
+    <tr>
+      <td nowrap>Help command</td>
+      <td>HELP</td>
+      <td>Display the interactive help menu</td>
+    </tr>
+    <tr>
+      <td nowrap>Schema commands</td>
+      <td>DESCRIBE KEYSPACE, DESCRIBE CLUSTER, DESCRIBE TABLES ...</td>
+      <td>Custom commands to describe the Cassandra schema</td>
+    </tr>
+    <tr>
+      <td nowrap>Option commands</td>
+      <td>@consistency, @retryPolicy, @fetchSize ...</td>
+      <td>Inject runtime options to all statements in the paragraph</td>
+    </tr>
+    <tr>
+      <td nowrap>Prepared statement commands</td>
+      <td>@prepare, @bind, @remove_prepared</td>
+      <td>Let you register a prepared command and re-use it later by injecting bound values</td>
+    </tr>
+    <tr>
+      <td nowrap>Native CQL statements</td>
+      <td>All CQL-compatible statements (SELECT, INSERT, CREATE ...)</td>
+      <td>All CQL statements are executed directly against the Cassandra server</td>
+    </tr>
+  </table><br>
+</center></p>
+
+<hr/>
+
+<h2>5. CQL statements</h2>
+
+<p>This interpreter is compatible with any CQL statement supported by Cassandra. Ex: </p>
+<div class="highlight"><pre><code class="sql language-sql" data-lang="sql">    <span class="k">INSERT</span> <span class="k">INTO</span> <span class="n">users</span><span class="p">(</span><span class="n">login</span><span class="p">,</span><span class="n">name</span><span class="p">)</span> <span class="k">VALUES</span><span class="p">(</span><span class="s1">&#39;jdoe&#39;</span><span class="p">,</span><span class="s1">&#39;John DOE&#39;</span><span class="p">);</span>
+    <span class="k">SELECT</span> <span class="o">*</span> <span class="k">FROM</span> <span class="n">users</span> <span class="k">WHERE</span> <span class="n">login</span><span class="o">=</span><span class="s1">&#39;jdoe&#39;</span><span class="p">;</span>
+</code></pre></div>
+<p>Each statement should be separated by a semi-colon ( <strong>;</strong> ) except the special commands below:</p>
+
+<ol>
+<li>@prepare</li>
+<li>@bind</li>
+<li>@remove_prepare</li>
+<li>@consistency</li>
+<li>@serialConsistency</li>
+<li>@timestamp</li>
+<li>@retryPolicy</li>
+<li>@fetchSize</li>
+</ol>
+
+<p>Multi-line statements as well as multiple statements on the same line are also supported as long as they are 
+separated by a semi-colon. Ex: </p>
+<div class="highlight"><pre><code class="sql language-sql" data-lang="sql">    <span class="n">USE</span> <span class="n">spark_demo</span><span class="p">;</span>
+
+    <span class="k">SELECT</span> <span class="o">*</span> <span class="k">FROM</span> <span class="n">albums_by_country</span> <span class="k">LIMIT</span> <span class="mi">1</span><span class="p">;</span> <span class="k">SELECT</span> <span class="o">*</span> <span class="k">FROM</span> <span class="n">countries</span> <span class="k">LIMIT</span> <span class="mi">1</span><span class="p">;</span>
+
+    <span class="k">SELECT</span> <span class="o">*</span>
+    <span class="k">FROM</span> <span class="n">artists</span>
+    <span class="k">WHERE</span> <span class="n">login</span><span class="o">=</span><span class="s1">&#39;jlennon&#39;</span><span class="p">;</span>
+</code></pre></div>
+<p>Batch statements are supported and can span multiple lines, as well as DDL(CREATE/ALTER/DROP) statements: </p>
+<div class="highlight"><pre><code class="sql language-sql" data-lang="sql">    <span class="k">BEGIN</span> <span class="n">BATCH</span>
+        <span class="k">INSERT</span> <span class="k">INTO</span> <span class="n">users</span><span class="p">(</span><span class="n">login</span><span class="p">,</span><span class="n">name</span><span class="p">)</span> <span class="k">VALUES</span><span class="p">(</span><span class="s1">&#39;jdoe&#39;</span><span class="p">,</span><span class="s1">&#39;John DOE&#39;</span><span class="p">);</span>
+        <span class="k">INSERT</span> <span class="k">INTO</span> <span class="n">users_preferences</span><span class="p">(</span><span class="n">login</span><span class="p">,</span><span class="n">account_type</span><span class="p">)</span> <span class="k">VALUES</span><span class="p">(</span><span class="s1">&#39;jdoe&#39;</span><span class="p">,</span><span class="s1">&#39;BASIC&#39;</span><span class="p">);</span>
+    <span class="n">APPLY</span> <span class="n">BATCH</span><span class="p">;</span>
+
+    <span class="k">CREATE</span> <span class="k">TABLE</span> <span class="n">IF</span> <span class="k">NOT</span> <span class="k">EXISTS</span> <span class="n">test</span><span class="p">(</span>
+        <span class="k">key</span> <span class="nb">int</span> <span class="k">PRIMARY</span> <span class="k">KEY</span><span class="p">,</span>
+        <span class="n">value</span> <span class="nb">text</span>
+    <span class="p">);</span>
+</code></pre></div>
+<p>CQL statements are <strong>case-insensitive</strong> (except for column names and values). 
+This means that the following statements are equivalent and valid: </p>
+<div class="highlight"><pre><code class="sql language-sql" data-lang="sql">    <span class="k">INSERT</span> <span class="k">INTO</span> <span class="n">users</span><span class="p">(</span><span class="n">login</span><span class="p">,</span><span class="n">name</span><span class="p">)</span> <span class="k">VALUES</span><span class="p">(</span><span class="s1">&#39;jdoe&#39;</span><span class="p">,</span><span class="s1">&#39;John DOE&#39;</span><span class="p">);</span>
+    <span class="k">Insert</span> <span class="k">into</span> <span class="n">users</span><span class="p">(</span><span class="n">login</span><span class="p">,</span><span class="n">name</span><span class="p">)</span> <span class="k">vAlues</span><span class="p">(</span><span class="s1">&#39;hsue&#39;</span><span class="p">,</span><span class="s1">&#39;Helen SUE&#39;</span><span class="p">);</span>
+</code></pre></div>
+<p>The complete list of all CQL statements and versions can be found below:
+<center><br>
+ <table class="table-configuration">
+   <tr>
+     <th>Cassandra Version</th>
+     <th>Documentation Link</th>
+   </tr>
+   <tr>
+     <td><strong>2.2</strong></td>
+     <td>
+        <a target="_blank" 
+          href="http://docs.datastax.com/en/cql/3.3/cql/cqlIntro.html">
+          http://docs.datastax.com/en/cql/3.3/cql/cqlIntro.html
+        </a>
+     </td>
+   </tr><br>
+   <tr>
+     <td><strong>2.1 &amp; 2.0</strong></td>
+     <td>
+        <a target="_blank" 
+          href="http://docs.datastax.com/en/cql/3.1/cql/cql_intro_c.html">
+          http://docs.datastax.com/en/cql/3.1/cql/cql<em>intro</em>c.html
+        </a>
+     </td>
+   </tr><br>
+   <tr>
+     <td><strong>1.2</strong></td>
+     <td>
+        <a target="_blank" 
+          href="http://docs.datastax.com/en/cql/3.0/cql/aboutCQL.html">
+          http://docs.datastax.com/en/cql/3.0/cql/aboutCQL.html
+        </a>
+     </td>
+   </tr><br>
+ </table>
+</center></p>
+
+<hr/>
+
+<h2>6. Comments in statements</h2>
+
+<p>It is possible to add comments between statements. Single line comments start with the hash sign (#). Multi-line comments are enclosed between /** and **/. Ex: </p>
+<div class="highlight"><pre><code class="sql language-sql" data-lang="sql">    <span class="o">#</span><span class="k">First</span> <span class="k">comment</span>
+    <span class="k">INSERT</span> <span class="k">INTO</span> <span class="n">users</span><span class="p">(</span><span class="n">login</span><span class="p">,</span><span class="n">name</span><span class="p">)</span> <span class="k">VALUES</span><span class="p">(</span><span class="s1">&#39;jdoe&#39;</span><span class="p">,</span><span class="s1">&#39;John DOE&#39;</span><span class="p">);</span>
+
+    <span class="cm">/**</span>
+<span class="cm">     Multi line</span>
+<span class="cm">     comments</span>
+<span class="cm">     **/</span>
+    <span class="k">Insert</span> <span class="k">into</span> <span class="n">users</span><span class="p">(</span><span class="n">login</span><span class="p">,</span><span class="n">name</span><span class="p">)</span> <span class="k">vAlues</span><span class="p">(</span><span class="s1">&#39;hsue&#39;</span><span class="p">,</span><span class="s1">&#39;Helen SUE&#39;</span><span class="p">);</span>
+</code></pre></div>
+<hr/>
+
+<h2>7. Syntax Validation</h2>
+
+<p>The interpreters is shipped with a built-in syntax validator. This validator only checks for basic syntax errors. 
+All CQL-related syntax validation is delegated directly to <strong>Cassandra</strong> </p>
+
+<p>Most of the time, syntax errors are due to <strong>missing semi-colons</strong> between statements or <strong>typo errors</strong>.</p>
+
+<hr/>
+
+<h2>8. Schema commands</h2>
+
+<p>To make schema discovery easier and more interactive, the following commands are supported:
+<center><br>
+ <table class="table-configuration">
+   <tr>
+     <th>Command</th>
+     <th>Description</th>
+   </tr>
+   <tr>
+     <td><strong>DESCRIBE CLUSTER;</strong></td>
+     <td>Show the current cluster name and its partitioner</td>
+   </tr><br>
+   <tr>
+     <td><strong>DESCRIBE KEYSPACES;</strong></td>
+     <td>List all existing keyspaces in the cluster and their configuration (replication factor, durable write ...)</td>
+   </tr><br>
+   <tr>
+     <td><strong>DESCRIBE TABLES;</strong></td>
+     <td>List all existing keyspaces in the cluster and for each, all the tables name</td>
+   </tr><br>
+   <tr>
+     <td><strong>DESCRIBE TYPES;</strong></td>
+     <td>List all existing user defined types in the <strong>current (logged) keyspace</strong></td>
+   </tr><br>
+   <tr>
+     <td nowrap><strong>DESCRIBE FUNCTIONS &lt;keyspace<em>name&gt;;</strong></td>
+     <td>List all existing user defined functions in the given keyspace</td>
+   </tr><br>
+   <tr>
+     <td nowrap><strong>DESCRIBE AGGREGATES &lt;keyspace</em>name&gt;;</strong></td>
+     <td>List all existing user defined aggregates in the given keyspace</td>
+   </tr><br>
+   <tr>
+     <td nowrap><strong>DESCRIBE KEYSPACE &lt;keyspace<em>name&gt;;</strong></td>
+     <td>Describe the given keyspace configuration and all its table details (name, columns, ...)</td>
+   </tr><br>
+   <tr>
+     <td nowrap><strong>DESCRIBE TABLE (&lt;keyspace</em>name&gt;).&lt;table<em>name&gt;;</strong></td>
+     <td>
+        Describe the given table. If the keyspace is not provided, the current logged in keyspace is used. 
+        If there is no logged in keyspace, the default system keyspace is used. 
+        If no table is found, an error message is raised
+     </td>
+   </tr><br>
+   <tr>
+     <td nowrap><strong>DESCRIBE TYPE (&lt;keyspace</em>name&gt;).&lt;type<em>name&gt;;</strong></td>
+     <td>
+        Describe the given type(UDT). If the keyspace is not provided, the current logged in keyspace is used. 
+        If there is no logged in keyspace, the default system keyspace is used. 
+        If no type is found, an error message is raised
+     </td>
+   </tr><br>
+   <tr>
+     <td nowrap><strong>DESCRIBE FUNCTION (&lt;keyspace</em>name&gt;).&lt;function<em>name&gt;;</strong></td>
+     <td>Describe the given user defined function. The keyspace is optional</td>
+   </tr><br>
+   <tr>
+     <td nowrap><strong>DESCRIBE AGGREGATE (&lt;keyspace</em>name&gt;).&lt;aggregate_name&gt;;</strong></td>
+     <td>Describe the given user defined aggregate. The keyspace is optional</td>
+   </tr><br>
+ </table>
+</center>              </p>
+
+<p>The schema objects (cluster, keyspace, table, type, function and aggregate) are displayed in a tabular format. 
+There is a drop-down menu on the top left corner to expand objects details. On the top right menu is shown the Icon legend.</p>
+
+<p><br/>
+<center>
+  <img src="/assets/themes/zeppelin/img/docs-img/cassandra-DescribeSchema.png" alt="Describe Schema">
+</center></p>
+
+<hr/>
+
+<h2>9. Runtime Parameters</h2>
+
+<p>Sometimes you want to be able to pass runtime query parameters to your statements. 
+Those parameters are not part of the CQL specs and are specific to the interpreter. 
+Below is the list of all parameters: </p>
+
+<p><br/>
+<center><br>
+ <table class="table-configuration">
+   <tr>
+     <th>Parameter</th>
+     <th>Syntax</th>
+     <th>Description</th>
+   </tr>
+   <tr>
+     <td nowrap>Consistency Level</td>
+     <td><strong>@consistency=<em>value</em></strong></td>
+     <td>Apply the given consistency level to all queries in the paragraph</td>
+   </tr>
+   <tr>
+     <td nowrap>Serial Consistency Level</td>
+     <td><strong>@serialConsistency=<em>value</em></strong></td>
+     <td>Apply the given serial consistency level to all queries in the paragraph</td>
+   </tr>
+   <tr>
+     <td nowrap>Timestamp</td>
+     <td><strong>@timestamp=<em>long value</em></strong></td>
+     <td>
+        Apply the given timestamp to all queries in the paragraph.
+        Please note that timestamp value passed directly in CQL statement will override this value
+      </td>
+   </tr>
+   <tr>
+     <td nowrap>Retry Policy</td>
+     <td><strong>@retryPolicy=<em>value</em></strong></td>
+     <td>Apply the given retry policy to all queries in the paragraph</td>
+   </tr>
+   <tr>
+     <td nowrap>Fetch Size</td>
+     <td><strong>@fetchSize=<em>integer value</em></strong></td>
+     <td>Apply the given fetch size to all queries in the paragraph</td>
+   </tr>
+ </table>
+</center></p>
+
+<p>Some parameters only accept restricted values: </p>
+
+<p><br/>
+<center><br>
+ <table class="table-configuration">
+   <tr>
+     <th>Parameter</th>
+     <th>Possible Values</th>
+   </tr>
+   <tr>
+     <td nowrap>Consistency Level</td>
+     <td><strong>ALL, ANY, ONE, TWO, THREE, QUORUM, LOCAL<em>ONE, LOCAL</em>QUORUM, EACH<em>QUORUM</strong></td>
+   </tr>
+   <tr>
+     <td nowrap>Serial Consistency Level</td>
+     <td><strong>SERIAL, LOCAL</em>SERIAL</strong></td>
+   </tr>
+   <tr>
+     <td nowrap>Timestamp</td>
+     <td>Any long value</td>
+   </tr>
+   <tr>
+     <td nowrap>Retry Policy</td>
+     <td><strong>DEFAULT, DOWNGRADING<em>CONSISTENCY, FALLTHROUGH, LOGGING</em>DEFAULT, LOGGING<em>DOWNGRADING, LOGGING</em>FALLTHROUGH</strong></td>
+   </tr>
+   <tr>
+     <td nowrap>Fetch Size</td>
+     <td>Any integer value</td>
+   </tr>
+ </table>
+</center> </p>
+
+<blockquote>
+<p>Please note that you should <strong>not</strong> add semi-colon ( <strong>;</strong> ) at the end of each parameter statement</p>
+</blockquote>
+
+<p>Some examples: </p>
+<div class="highlight"><pre><code class="sql language-sql" data-lang="sql">    <span class="k">CREATE</span> <span class="k">TABLE</span> <span class="n">IF</span> <span class="k">NOT</span> <span class="k">EXISTS</span> <span class="n">spark_demo</span><span class="p">.</span><span class="n">ts</span><span class="p">(</span>
+        <span class="k">key</span> <span class="nb">int</span> <span class="k">PRIMARY</span> <span class="k">KEY</span><span class="p">,</span>
+        <span class="n">value</span> <span class="nb">text</span>
+    <span class="p">);</span>
+    <span class="k">TRUNCATE</span> <span class="n">spark_demo</span><span class="p">.</span><span class="n">ts</span><span class="p">;</span>
+
+    <span class="o">#</span> <span class="k">Timestamp</span> <span class="k">in</span> <span class="n">the</span> <span class="n">past</span>
+    <span class="o">@</span><span class="k">timestamp</span><span class="o">=</span><span class="mi">10</span>
+
+    <span class="o">#</span> <span class="k">Force</span> <span class="k">timestamp</span> <span class="n">directly</span> <span class="k">in</span> <span class="n">the</span> <span class="k">first</span> <span class="k">insert</span>
+    <span class="k">INSERT</span> <span class="k">INTO</span> <span class="n">spark_demo</span><span class="p">.</span><span class="n">ts</span><span class="p">(</span><span class="k">key</span><span class="p">,</span><span class="n">value</span><span class="p">)</span> <span class="k">VALUES</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span><span class="s1">&#39;first insert&#39;</span><span class="p">)</span> <span class="k">USING</span> <span class="k">TIMESTAMP</span> <span class="mi">100</span><span class="p">;</span>
+
+    <span class="o">#</span> <span class="k">Select</span> <span class="k">some</span> <span class="k">data</span> <span class="k">to</span> <span class="n">make</span> <span class="n">the</span> <span class="n">clock</span> <span class="n">turn</span>
+    <span class="k">SELECT</span> <span class="o">*</span> <span class="k">FROM</span> <span class="n">spark_demo</span><span class="p">.</span><span class="n">albums</span> <span class="k">LIMIT</span> <span class="mi">100</span><span class="p">;</span>
+
+    <span class="o">#</span> <span class="n">Now</span> <span class="k">insert</span> <span class="k">using</span> <span class="n">the</span> <span class="k">timestamp</span> <span class="k">parameter</span> <span class="k">set</span> <span class="k">at</span> <span class="n">the</span> <span class="n">beginning</span><span class="p">(</span><span class="mi">10</span><span class="p">)</span>
+    <span class="k">INSERT</span> <span class="k">INTO</span> <span class="n">spark_demo</span><span class="p">.</span><span class="n">ts</span><span class="p">(</span><span class="k">key</span><span class="p">,</span><span class="n">value</span><span class="p">)</span> <span class="k">VALUES</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span><span class="s1">&#39;second insert&#39;</span><span class="p">);</span>
+
+    <span class="o">#</span> <span class="k">Check</span> <span class="k">for</span> <span class="n">the</span> <span class="k">result</span><span class="p">.</span> <span class="n">You</span> <span class="n">should</span> <span class="n">see</span> <span class="s1">&#39;first insert&#39;</span>
+    <span class="k">SELECT</span> <span class="n">value</span> <span class="k">FROM</span> <span class="n">spark_demo</span><span class="p">.</span><span class="n">ts</span> <span class="k">WHERE</span> <span class="k">key</span><span class="o">=</span><span class="mi">1</span><span class="p">;</span>
+</code></pre></div>
+<p>Some remarks about query parameters:</p>
+
+<blockquote>
+<ol>
+<li><strong>many</strong> query parameters can be set in the same paragraph</li>
+<li>if the <strong>same</strong> query parameter is set many time with different values, the interpreter only take into account the first value</li>
+<li>each query parameter applies to <strong>all CQL statements</strong> in the same paragraph, unless you override the option using plain CQL text (like forcing timestamp with the USING clause)</li>
+<li>the order of each query parameter with regard to CQL statement does not matter</li>
+</ol>
+</blockquote>
+
+<hr/>
+
+<h2>10. Support for Prepared Statements</h2>
+
+<p>For performance reason, it is better to prepare statements before-hand and reuse them later by providing bound values. 
+This interpreter provides 3 commands to handle prepared and bound statements: </p>
+
+<ol>
+<li><strong>@prepare</strong></li>
+<li><strong>@bind</strong></li>
+<li><strong>@remove_prepared</strong></li>
+</ol>
+
+<p>Example: </p>
+<div class="highlight"><pre><code class="text language-text" data-lang="text">    @prepare[statement_name]=...
+
+    @bind[statement_name]=’text’, 1223, ’2015-07-30 12:00:01’, null, true, [‘list_item1’, ’list_item2’]
+
+    @bind[statement_name_with_no_bound_value]
+
+    @remove_prepare[statement_name]
+</code></pre></div>
+<p><br/></p>
+
+<h4>a. @prepare</h4>
+
+<p><br/>
+You can use the syntax <em>&quot;@prepare[statement</em>name]=SELECT ...&quot;_ to create a prepared statement. 
+The <em>statement</em>name_ is <strong>mandatory</strong> because the interpreter prepares the given statement with the Java driver and 
+saves the generated prepared statement in an <strong>internal hash map</strong>, using the provided <em>statement</em>name_ as search key.</p>
+
+<blockquote>
+<p>Please note that this internal prepared statement map is shared with <strong>all notebooks</strong> and <strong>all paragraphs</strong> because 
+there is only one instance of the interpreter for Cassandra</p>
+
+<p>If the interpreter encounters <strong>many</strong> @prepare for the <strong>same <em>statement</em>name_ (key)</strong>, only the <strong>first</strong> statement will be taken into account.</p>
+</blockquote>
+
+<p>Example: </p>
+<div class="highlight"><pre><code class="text language-text" data-lang="text">    @prepare[select]=SELECT * FROM spark_demo.albums LIMIT ?
+
+    @prepare[select]=SELECT * FROM spark_demo.artists LIMIT ?
+</code></pre></div>
+<p>For the above example, the prepared statement is <em>SELECT * FROM spark</em>demo.albums LIMIT ?<em>. 
+_SELECT * FROM spark</em>demo.artists LIMIT ?_ is ignored because an entry already exists in the prepared statements map with the key select. </p>
+
+<p>In the context of <strong>Zeppelin</strong>, a notebook can be scheduled to be executed at regular interval, 
+thus it is necessary to <strong>avoid re-preparing many time the same statement (considered an anti-pattern)</strong>.
+<br/>
+<br/></p>
+
+<h4>b. @bind</h4>
+
+<p><br/>
+Once the statement is prepared (possibly in a separated notebook/paragraph). You can bind values to it: </p>
+<div class="highlight"><pre><code class="text language-text" data-lang="text">    @bind[select_first]=10
+</code></pre></div>
+<p>Bound values are not mandatory for the <strong>@bind</strong> statement. However if you provide bound values, they need to comply to some syntax:</p>
+
+<ul>
+<li>String values should be enclosed between simple quotes ( ‘ )</li>
+<li>Date values should be enclosed between simple quotes ( ‘ ) and respect the formats:
+
+<ol>
+<li>yyyy-MM-dd HH:MM:ss</li>
+<li>yyyy-MM-dd HH:MM:ss.SSS</li>
+</ol></li>
+<li><strong>null</strong> is parsed as-is</li>
+<li><strong>boolean</strong> (true|false) are parsed as-is</li>
+<li>collection values must follow the <strong><a href="http://docs.datastax.com/en/cql/3.1/cql/cql_using/use_collections_c.html">standard CQL syntax</a></strong>:
+
+<ul>
+<li>list: [‘list<em>item1’, ’list</em>item2’, ...]</li>
+<li>set: {‘set<em>item1’, ‘set</em>item2’, …}</li>
+<li>map: {‘key1’: ‘val1’, ‘key2’: ‘val2’, …}</li>
+</ul></li>
+<li><strong>tuple</strong> values should be enclosed between parenthesis (see <strong><a href="http://docs.datastax.com/en/cql/3.1/cql/cql_reference/tupleType.html">Tuple CQL syntax</a></strong>): (‘text’, 123, true)</li>
+<li><strong>udt</strong> values should be enclosed between brackets (see <strong><a href="http://docs.datastax.com/en/cql/3.1/cql/cql_using/cqlUseUDT.html">UDT CQL syntax</a></strong>): {stree<em>name: ‘Beverly Hills’, number: 104, zip</em>code: 90020, state: ‘California’, …}</li>
+</ul>
+
+<blockquote>
+<p>It is possible to use the @bind statement inside a batch:</p>
+<div class="highlight"><pre><code class="sql language-sql" data-lang="sql">    <span class="k">BEGIN</span> <span class="n">BATCH</span>
+        <span class="o">@</span><span class="n">bind</span><span class="p">[</span><span class="n">insert_user</span><span class="p">]</span><span class="o">=</span><span class="s1">&#39;jdoe&#39;</span><span class="p">,</span><span class="s1">&#39;John DOE&#39;</span>
+        <span class="k">UPDATE</span> <span class="n">users</span> <span class="k">SET</span> <span class="n">age</span> <span class="o">=</span> <span class="mi">27</span> <span class="k">WHERE</span> <span class="n">login</span><span class="o">=</span><span class="s1">&#39;hsue&#39;</span><span class="p">;</span>
+    <span class="n">APPLY</span> <span class="n">BATCH</span><span class="p">;</span>
+</code></pre></div></blockquote>
+
+<p><br/></p>
+
+<h4>c. @remove_prepare</h4>
+
+<p><br/>
+To avoid for a prepared statement to stay forever in the prepared statement map, you can use the 
+<strong>@remove<em>prepare[statement</em>name]</strong> syntax to remove it. 
+Removing a non-existing prepared statement yields no error.</p>
+
+<hr/>
+
+<h2>11. Using Dynamic Forms</h2>
+
+<p>Instead of hard-coding your CQL queries, it is possible to use the mustache syntax ( <strong>{{ }}</strong> ) to inject simple value or multiple choices forms. </p>
+
+<p>The syntax for simple parameter is: <strong>{{input_Label=default value}}</strong>. The default value is mandatory because the first time the paragraph is executed, 
+we launch the CQL query before rendering the form so at least one value should be provided. </p>
+
+<p>The syntax for multiple choices parameter is: <strong>{{input_Label=value1 | value2 | … | valueN }}</strong>. By default the first choice is used for CQL query 
+the first time the paragraph is executed. </p>
+
+<p>Example: </p>
+<div class="highlight"><pre><code class="text language-text" data-lang="text">#Secondary index on performer style
+SELECT name, country, performer
+FROM spark_demo.performers
+WHERE name=&#39;{{performer=Sheryl Crow|Doof|Fanfarlo|Los Paranoia}}&#39;
+AND styles CONTAINS &#39;{{style=Rock}}&#39;;
+</code></pre></div>
+<p>In the above example, the first CQL query will be executed for <em>performer=&#39;Sheryl Crow&#39; AND style=&#39;Rock&#39;</em>. 
+For subsequent queries, you can change the value directly using the form. </p>
+
+<blockquote>
+<p>Please note that we enclosed the <strong>{{ }}</strong> block between simple quotes ( <strong>&#39;</strong> ) because Cassandra expects a String here. 
+We could have also use the <strong>{{style=&#39;Rock&#39;}}</strong> syntax but this time, the value displayed on the form is <strong><em>&#39;Rock&#39;</em></strong> and not <strong><em>Rock</em></strong>. </p>
+</blockquote>
+
+<p>It is also possible to use dynamic forms for <strong>prepared statements</strong>: </p>
+<div class="highlight"><pre><code class="text language-text" data-lang="text">@bind[select]==&#39;{{performer=Sheryl Crow|Doof|Fanfarlo|Los Paranoia}}&#39;, &#39;{{style=Rock}}&#39;
+</code></pre></div>
+<hr/>
+
+<h2>12. Execution parallelism and shared states</h2>
+
+<p>It is possible to execute many paragraphs in parallel. However, at the back-end side, we’re still using synchronous queries. 
+<em>Asynchronous execution</em> is only possible when it is possible to return a <code>Future</code> value in the <code>InterpreterResult</code>. 
+It may be an interesting proposal for the <strong>Zeppelin</strong> project.</p>
+
+<p>Another caveat is that the same <code>com.datastax.driver.core.Session</code> object is used for <strong>all</strong> notebooks and paragraphs.
+Consequently, if you use the <strong>USE <em>keyspace name</em>;</strong> statement to log into a keyspace, it will change the keyspace for
+<strong>all current users</strong> of the <strong>Cassandra</strong> interpreter because we only create 1 <code>com.datastax.driver.core.Session</code> object
+per instance of <strong>Cassandra</strong> interpreter.</p>
+
+<p>The same remark does apply to the <strong>prepared statement hash map</strong>, it is shared by <strong>all users</strong> using the same instance of <strong>Cassandra</strong> interpreter.</p>
+
+<p>Until <strong>Zeppelin</strong> offers a real multi-users separation, there is a work-around to segregate user environment and states: 
+<em>create different <strong>Cassandra</strong> interpreter instances</em></p>
+
+<p>For this, first go to the <strong>Interpreter</strong> menu and click on the <strong>Create</strong> button
+<br/>
+<br/>
+<center>
+  <img src="/assets/themes/zeppelin/img/docs-img/cassandra-NewInterpreterInstance.png" alt="Create Interpreter">
+</center></p>
+
+<p>In the interpreter creation form, put <strong>cass-instance2</strong> as <strong>Name</strong> and select the <strong>cassandra</strong> 
+in the interpreter drop-down list<br>
+<br/>
+<br/>
+<center>
+  <img src="/assets/themes/zeppelin/img/docs-img/cassandra-InterpreterName.png" alt="Interpreter Name">
+</center>                         </p>
+
+<p>Click on <strong>Save</strong> to create the new interpreter instance. Now you should be able to see it in the interpreter list.</p>
+
+<p><br/>
+<br/>
+<center>
+  <img src="/assets/themes/zeppelin/img/docs-img/cassandra-NewInterpreterInList.png" alt="Interpreter In List">
+</center>                         </p>
+
+<p>Go back to your notebook and click on the <strong>Gear</strong> icon to configure interpreter bindings.
+You should be able to see and select the <strong>cass-instance2</strong> interpreter instance in the available
+interpreter list instead of the standard <strong>cassandra</strong> instance.</p>
+
+<p><br/>
+<br/>
+<center>
+  <img src="/assets/themes/zeppelin/img/docs-img/cassandra-InterpreterInstanceSelection.png" alt="Interpreter Instance Selection">
+</center> </p>
+
+<hr/>
+
+<h2>13. Interpreter Configuration</h2>
+
+<p>To configure the <strong>Cassandra</strong> interpreter, go to the <strong>Interpreter</strong> menu and scroll down to change the parameters.
+The <strong>Cassandra</strong> interpreter is using the official <strong><a href="https://github.com/datastax/java-driver">Cassandra Java Driver</a></strong> and most of the parameters are used
+to configure the Java driver</p>
+
+<p>Below are the configuration parameters and their default value.</p>
+
+<p><table class="table-configuration">
+   <tr>
+     <th>Property Name</th>
+     <th>Description</th>
+     <th>Default Value</th>
+   </tr>
+   <tr>
+     <td>cassandra.cluster</td>
+     <td>Name of the Cassandra cluster to connect to</td>
+     <td>Test Cluster</td>
+   </tr>
+   <tr>
+     <td>cassandra.compression.protocol</td>
+     <td>On wire compression. Possible values are: NONE, SNAPPY, LZ4</td>
+     <td>NONE</td>
+   </tr>
+   <tr>
+     <td>cassandra.credentials.username</td>
+     <td>If security is enable, provide the login</td>
+     <td>none</td>
+   </tr>
+   <tr>
+     <td>cassandra.credentials.password</td>
+     <td>If security is enable, provide the password</td>
+     <td>none</td>
+   </tr>
+   <tr>
+     <td>cassandra.hosts</td>
+     <td>
+        Comma separated Cassandra hosts (DNS name or IP address).
+        <br/>
+        Ex: &#39;192.168.0.12,node2,node3&#39;
+      </td>
+     <td>localhost</td>
+   </tr>
+   <tr>
+     <td>cassandra.interpreter.parallelism</td>
+     <td>Number of concurrent paragraphs(queries block) that can be executed</td>
+     <td>10</td>
+   </tr>
+   <tr>
+     <td>cassandra.keyspace</td>
+     <td>
+        Default keyspace to connect to.
+        <strong>
+          It is strongly recommended to let the default value
+          and prefix the table name with the actual keyspace
+          in all of your queries
+        </strong>
+     </td>
+     <td>system</td>
+   </tr>
+   <tr>
+     <td>cassandra.load.balancing.policy</td>
+     <td>
+        Load balancing policy. Default = <em>new TokenAwarePolicy(new DCAwareRoundRobinPolicy())</em>
+        To Specify your own policy, provide the <strong>fully qualify class name (FQCN)</strong> of your policy.
+        At runtime the interpreter will instantiate the policy using 
+        <strong>Class.forName(FQCN)</strong>
+     </td>
+     <td>DEFAULT</td>
+   </tr>
+   <tr>
+     <td>cassandra.max.schema.agreement.wait.second</td>
+     <td>Cassandra max schema agreement wait in second</td>
+     <td>10</td>
+   </tr>
+   <tr>
+     <td>cassandra.pooling.core.connection.per.host.local</td>
+     <td>Protocol V2 and below default = 2. Protocol V3 and above default = 1</td>
+     <td>2</td>
+   </tr>
+   <tr>
+     <td>cassandra.pooling.core.connection.per.host.remote</td>
+     <td>Protocol V2 and below default = 1. Protocol V3 and above default = 1</td>
+     <td>1</td>
+   </tr>
+   <tr>
+     <td>cassandra.pooling.heartbeat.interval.seconds</td>
+     <td>Cassandra pool heartbeat interval in secs</td>
+     <td>30</td>
+   </tr>
+   <tr>
+     <td>cassandra.pooling.idle.timeout.seconds</td>
+     <td>Cassandra idle time out in seconds</td>
+     <td>120</td>
+   </tr>
+   <tr>
+     <td>cassandra.pooling.max.connection.per.host.local</td>
+     <td>Protocol V2 and below default = 8. Protocol V3 and above default = 1</td>
+     <td>8</td>
+   </tr>
+   <tr>
+     <td>cassandra.pooling.max.connection.per.host.remote</td>
+     <td>Protocol V2 and below default = 2. Protocol V3 and above default = 1</td>
+     <td>2</td>
+   </tr>
+   <tr>
+     <td>cassandra.pooling.max.request.per.connection.local</td>
+     <td>Protocol V2 and below default = 128. Protocol V3 and above default = 1024</td>
+     <td>128</td>
+   </tr>
+   <tr>
+     <td>cassandra.pooling.max.request.per.connection.remote</td>
+     <td>Protocol V2 and below default = 128. Protocol V3 and above default = 256</td>
+     <td>128</td>
+   </tr>
+   <tr>
+     <td>cassandra.pooling.new.connection.threshold.local</td>
+     <td>Protocol V2 and below default = 100. Protocol V3 and above default = 800</td>
+     <td>100</td>
+   </tr>
+   <tr>
+     <td>cassandra.pooling.new.connection.threshold.remote</td>
+     <td>Protocol V2 and below default = 100. Protocol V3 and above default = 200</td>
+     <td>100</td>
+   </tr>
+   <tr>
+     <td>cassandra.pooling.pool.timeout.millisecs</td>
+     <td>Cassandra pool time out in millisecs</td>
+     <td>5000</td>
+   </tr>
+   <tr>
+     <td>cassandra.protocol.version</td>
+     <td>Cassandra binary protocol version</td>
+     <td>3</td>
+   </tr>
+   <tr>
+     <td>cassandra.query.default.consistency</td>
+     <td>
+      Cassandra query default consistency level
+      <br/>
+      Available values: ONE, TWO, THREE, QUORUM, LOCAL<em>ONE, LOCAL</em>QUORUM, EACH<em>QUORUM, ALL
+     </td>
+     <td>ONE</td>
+   </tr>
+   <tr>
+     <td>cassandra.query.default.fetchSize</td>
+     <td>Cassandra query default fetch size</td>
+     <td>5000</td>
+   </tr>
+   <tr>
+     <td>cassandra.query.default.serial.consistency</td>
+     <td>
+      Cassandra query default serial consistency level
+      <br/>
+      Available values: SERIAL, LOCAL</em>SERIAL
+     </td>
+     <td>SERIAL</td>
+   </tr>
+   <tr>
+     <td>cassandra.reconnection.policy</td>
+     <td>
+        Cassandra Reconnection Policy.
+        Default = new ExponentialReconnectionPolicy(1000, 10 * 60 * 1000)
+        To Specify your own policy, provide the <strong>fully qualify class name (FQCN)</strong> of your policy.
+        At runtime the interpreter will instantiate the policy using 
+        <strong>Class.forName(FQCN)</strong>
+     </td>
+     <td>DEFAULT</td>
+   </tr>
+   <tr>
+     <td>cassandra.retry.policy</td>
+     <td>
+        Cassandra Retry Policy.
+        Default = DefaultRetryPolicy.INSTANCE
+        To Specify your own policy, provide the <strong>fully qualify class name (FQCN)</strong> of your policy.
+        At runtime the interpreter will instantiate the policy using 
+        <strong>Class.forName(FQCN)</strong>
+     </td>
+     <td>DEFAULT</td>
+   </tr>
+   <tr>
+     <td>cassandra.socket.connection.timeout.millisecs</td>
+     <td>Cassandra socket default connection timeout in millisecs</td>
+     <td>500</td>
+   </tr>
+   <tr>
+     <td>cassandra.socket.read.timeout.millisecs</td>
+     <td>Cassandra socket read timeout in millisecs</td>
+     <td>12000</td>
+   </tr>
+   <tr>
+     <td>cassandra.socket.tcp.no_delay</td>
+     <td>Cassandra socket TCP no delay</td>
+     <td>true</td>
+   </tr>
+   <tr>
+     <td>cassandra.speculative.execution.policy</td>
+     <td>
+        Cassandra Speculative Execution Policy.
+        Default = NoSpeculativeExecutionPolicy.INSTANCE
+        To Specify your own policy, provide the <strong>fully qualify class name (FQCN)</strong> of your policy.
+        At runtime the interpreter will instantiate the policy using 
+        <strong>Class.forName(FQCN)</strong>
+     </td>
+     <td>DEFAULT</td>
+   </tr>
+ </table></p>
+
+<hr/>
+
+<h2>14. Bugs &amp; Contacts</h2>
+
+<p>If you encounter a bug for this interpreter, please create a <strong><a href="https://issues.apache.org/jira/browse/ZEPPELIN-382?jql=project%20%3D%20ZEPPELIN">JIRA</a></strong> ticket and ping me on Twitter
+ at <strong><a href="https://twitter.com/doanduyhai">@doanduyhai</a></strong></p>
+
+  </div>
+</div>
+
+
+      <hr>
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+        <!-- <p>&copy; 2015 The Apache Software Foundation</p>-->
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Added: incubator/zeppelin/site/docs/0.5.5-incubating/interpreter/flink.html
URL: http://svn.apache.org/viewvc/incubator/zeppelin/site/docs/0.5.5-incubating/interpreter/flink.html?rev=1715104&view=auto
==============================================================================
--- incubator/zeppelin/site/docs/0.5.5-incubating/interpreter/flink.html (added)
+++ incubator/zeppelin/site/docs/0.5.5-incubating/interpreter/flink.html Thu Nov 19 06:38:15 2015
@@ -0,0 +1,417 @@
+
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <title>Flink Interpreter</title>
+    <meta name="description" content="">
+    <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 -->
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+      <script src="http://html5shim.googlecode.com/svn/trunk/html5.js"></script>
+    <![endif]-->
+
+    <!-- Le styles -->
+    <link href="/assets/themes/zeppelin/bootstrap/css/bootstrap.css" rel="stylesheet">
+    <link href="/assets/themes/zeppelin/css/style.css?body=1" rel="stylesheet" type="text/css">
+    <link href="/assets/themes/zeppelin/css/syntax.css" rel="stylesheet"  type="text/css" media="screen" /> 
+    <!-- Le fav and touch icons -->
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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>
+    <script src="/assets/themes/zeppelin/bootstrap/js/bootstrap.min.js"></script>
+
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+    <link href="/rss.xml" type="application/rss+xml" rel="alternate" title="Sitewide RSS Feed">
+  </head>
+
+  <body>
+    
+        <div class="navbar navbar-inverse navbar-fixed-top" role="navigation">
+      <div class="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>
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+          </button>
+          <a class="navbar-brand" href="/">
+            <img src="/assets/themes/zeppelin/img/zeppelin_logo.png" width="50" alt="I'm zeppelin">
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+          </a>
+        </div>
+        <nav class="navbar-collapse collapse" role="navigation">
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+          </ul>
+          <ul class="nav navbar-nav navbar-right">
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+  
+    
+      
+    
+  
+
+
+
+          </ul>
+        </nav><!--/.navbar-collapse -->
+      </div>
+    </div>
+
+
+    <div class="container">
+      
+<!--<div class="hero-unit Flink Interpreter">
+  <h1></h1>
+</div>
+-->
+
+<div class="row">
+  <div class="col-md-12">
+    <h2>Flink interpreter for Apache Zeppelin</h2>
+
+<p><a href="https://flink.apache.org">Apache Flink</a> is an open source platform for distributed stream and batch data processing.</p>
+
+<h3>How to start local Flink cluster, to test the interpreter</h3>
+
+<p>Zeppelin comes with pre-configured flink-local interpreter, which starts Flink in a local mode on your machine, so you do not need to install anything.</p>
+
+<h3>How to configure interpreter to point to Flink cluster</h3>
+
+<p>At the &quot;Interpreters&quot; menu, you have to create a new Flink interpreter and provide next properties:</p>
+
+<table class="table-configuration">
+  <tr>
+    <th>property</th>
+    <th>value</th>
+    <th>Description</th>
+  </tr>
+  <tr>
+    <td>host</td>
+    <td>local</td>
+    <td>host name of running JobManager. 'local' runs flink in local mode (default)</td>
+  </tr>
+  <tr>
+    <td>port</td>
+    <td>6123</td>
+    <td>port of running JobManager</td>
+  </tr>
+  <tr>
+    <td>xxx</td>
+    <td>yyy</td>
+    <td>anything else from [Flink Configuration](https://ci.apache.org/projects/flink/flink-docs-release-0.9/setup/config.html)</td>
+  </tr>
+</table>
+
+<p><br /></p>
+
+<h3>How to test it&#39;s working</h3>
+
+<p>In example, by using the <a href="https://www.zeppelinhub.com/viewer/notebooks/aHR0cHM6Ly9yYXcuZ2l0aHVidXNlcmNvbnRlbnQuY29tL05GTGFicy96ZXBwZWxpbi1ub3RlYm9va3MvbWFzdGVyL25vdGVib29rcy8yQVFFREs1UEMvbm90ZS5qc29u">Zeppelin notebook</a> is from <a href="http://www.slideshare.net/tillrohrmann/data-analysis-49806564">Till Rohrmann&#39;s presentation</a> &quot;Interactive data analysis with Apache Flink&quot; for Apache Flink Meetup.</p>
+<div class="highlight"><pre><code class="text language-text" data-lang="text">%sh
+rm 10.txt.utf-8
+wget http://www.gutenberg.org/ebooks/10.txt.utf-8
+</code></pre></div><div class="highlight"><pre><code class="text language-text" data-lang="text">%flink
+case class WordCount(word: String, frequency: Int)
+val bible:DataSet[String] = env.readTextFile(&quot;10.txt.utf-8&quot;)
+val partialCounts: DataSet[WordCount] = bible.flatMap{
+    line =&gt;
+        &quot;&quot;&quot;\b\w+\b&quot;&quot;&quot;.r.findAllIn(line).map(word =&gt; WordCount(word, 1))
+//        line.split(&quot; &quot;).map(word =&gt; WordCount(word, 1))
+}
+val wordCounts = partialCounts.groupBy(&quot;word&quot;).reduce{
+    (left, right) =&gt; WordCount(left.word, left.frequency + right.frequency)
+}
+val result10 = wordCounts.first(10).collect()
+</code></pre></div>
+  </div>
+</div>
+
+
+      <hr>
+      <footer>
+        <!-- <p>&copy; 2015 The Apache Software Foundation</p>-->
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+    </div>
+
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+
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+
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+  </body>
+</html>
+

Added: incubator/zeppelin/site/docs/0.5.5-incubating/interpreter/geode.html
URL: http://svn.apache.org/viewvc/incubator/zeppelin/site/docs/0.5.5-incubating/interpreter/geode.html?rev=1715104&view=auto
==============================================================================
--- incubator/zeppelin/site/docs/0.5.5-incubating/interpreter/geode.html (added)
+++ incubator/zeppelin/site/docs/0.5.5-incubating/interpreter/geode.html Thu Nov 19 06:38:15 2015
@@ -0,0 +1,532 @@
+
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <title>Geode OQL Interpreter</title>
+    <meta name="description" content="">
+    <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]-->
+
+    <!-- Le styles -->
+    <link href="/assets/themes/zeppelin/bootstrap/css/bootstrap.css" rel="stylesheet">
+    <link href="/assets/themes/zeppelin/css/style.css?body=1" rel="stylesheet" type="text/css">
+    <link href="/assets/themes/zeppelin/css/syntax.css" rel="stylesheet"  type="text/css" media="screen" /> 
+    <!-- Le fav and touch icons -->
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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>
+    <script src="/assets/themes/zeppelin/bootstrap/js/bootstrap.min.js"></script>
+
+    <!-- atom & rss feed -->
+    <link href="/atom.xml" type="application/atom+xml" rel="alternate" title="Sitewide ATOM Feed">
+    <link href="/rss.xml" type="application/rss+xml" rel="alternate" title="Sitewide RSS Feed">
+  </head>
+
+  <body>
+    
+        <div class="navbar navbar-inverse navbar-fixed-top" role="navigation">
+      <div class="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>
+          <a class="navbar-brand" href="/">
+            <img src="/assets/themes/zeppelin/img/zeppelin_logo.png" width="50" alt="I'm zeppelin">
+            Zeppelin <small>(0.5.5-incubating)</small>
+          </a>
+        </div>
+        <nav class="navbar-collapse collapse" role="navigation">
+          <ul class="nav navbar-nav">
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+    
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+  
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+
+
+          </ul>
+          <ul class="nav navbar-nav navbar-right">
+            
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+    
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+      	<li><a href="/docs.html">Docs</a></li>
+      	
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+  
+    
+      
+    
+  
+
+
+
+          </ul>
+        </nav><!--/.navbar-collapse -->
+      </div>
+    </div>
+
+
+    <div class="container">
+      
+<!--<div class="hero-unit Geode OQL Interpreter">
+  <h1></h1>
+</div>
+-->
+
+<div class="row">
+  <div class="col-md-12">
+    <h2>Geode/Gemfire OQL Interpreter for Apache Zeppelin</h2>
+
+<p><br/>
+<table class="table-configuration">
+  <tr>
+    <th>Name</th>
+    <th>Class</th>
+    <th>Description</th>
+  </tr>
+  <tr>
+    <td>%geode.oql</td>
+    <td>GeodeOqlInterpreter</td>
+    <td>Provides OQL environment for Apache Geode</td>
+  </tr>
+</table></p>
+
+<p><br/>
+This interpreter supports the <a href="http://geode.incubator.apache.org/">Geode</a> <a href="http://geode-docs.cfapps.io/docs/developing/querying_basics/oql_compared_to_sql.html">Object Query Language (OQL)</a>.  With the OQL-based querying language:</p>
+
+<p><a href="https://www.youtube.com/watch?v=zvzzA9GXu3Q"><img align="right" src="http://img.youtube.com/vi/zvzzA9GXu3Q/3.jpg" alt="zeppelin-view" hspace="10" width="200"></img></a></p>
+
+<ul>
+<li>You can query on any arbitrary object</li>
+<li>You can navigate object collections</li>
+<li>You can invoke methods and access the behavior of objects</li>
+<li>Data mapping is supported</li>
+<li>You are not required to declare types. Since you do not need type definitions, you can work across multiple languages</li>
+<li>You are not constrained by a schema</li>
+</ul>
+
+<p>This <a href="https://www.youtube.com/watch?v=zvzzA9GXu3Q">Video Tutorial</a> illustrates some of the features provided by the <code>Geode Interpreter</code>.</p>
+
+<h3>Create Interpreter</h3>
+
+<p>By default Zeppelin creates one <code>Geode/OQL</code> instance. You can remove it or create more instances. </p>
+
+<p>Multiple Geode instances can be created, each configured to the same or different backend Geode cluster. But over time a  <code>Notebook</code> can have only one Geode interpreter instance <code>bound</code>. That means you <em>can not</em> connect to different Geode clusters in the same <code>Notebook</code>. This is a known Zeppelin limitation. </p>
+
+<p>To create new Geode instance open the <code>Interprter</code> section and click the <code>+Create</code> button. Pick a <code>Name</code> of your choice and from the <code>Interpreter</code> drop-down select <code>geode</code>.  Then follow the configuration instructions and <code>Save</code> the new instance. </p>
+
+<blockquote>
+<p>Note: The <code>Name</code> of the instance is used only to distinct the instances while binding them to the <code>Notebook</code>. The <code>Name</code> is irrelevant inside the <code>Notebook</code>. In the <code>Notebook</code> you must use <code>%geode.oql</code> tag. </p>
+</blockquote>
+
+<h3>Bind to Notebook</h3>
+
+<p>In the <code>Notebook</code> click on the <code>settings</code> icon in the top right corner. The select/deselect the interpreters to be bound with the <code>Notebook</code>.</p>
+
+<h3>Configuration</h3>
+
+<p>You can modify the configuration of the Geode from the <code>Interpreter</code> section.  The Geode interpreter express the following properties:</p>
+
+<p><table class="table-configuration">
+   <tr>
+     <th>Property Name</th>
+     <th>Description</th>
+     <th>Default Value</th>
+   </tr>
+   <tr>
+     <td>geode.locator.host</td>
+     <td>The Geode Locator Host</td>
+     <td>localhost</td>
+   </tr>
+   <tr>
+     <td>geode.locator.port</td>
+     <td>The Geode Locator Port</td>
+     <td>10334</td>
+   </tr>
+   <tr>
+     <td>geode.max.result</td>
+     <td>Max number of OQL result to display to prevent the browser overload</td>
+     <td>1000</td>
+   </tr>
+ </table></p>
+
+<h3>How to use</h3>
+
+<blockquote>
+<p><em>Tip 1: Use (CTRL + .) for OQL auto-completion.</em></p>
+
+<p><em>Tip 2: Alawys start the paragraphs with the full <code>%geode.oql</code> prefix tag! The short notation: <code>%geode</code> would still be able run the OQL queries but the syntax highlighting and the auto-completions will be disabled.</em></p>
+</blockquote>
+
+<h4>Create / Destroy Regions</h4>
+
+<p>The OQL sepecification does not support  <a href="https://cwiki.apache.org/confluence/display/GEODE/Index#Index-MainConceptsandComponents">Geode Regions</a> mutation operations. To <code>creaate</code>/<code>destroy</code> regions one should use the <a href="http://geode-docs.cfapps.io/docs/tools_modules/gfsh/chapter_overview.html">GFSH</a> shell tool instead. To wokr this it assumes that the GFSH is colocated with Zeppelin server.</p>
+<div class="highlight"><pre><code class="bash language-bash" data-lang="bash">%sh
+<span class="nb">source</span> /etc/geode/conf/geode-env.sh
+gfsh <span class="s">&lt;&lt; EOF</span>
+
+<span class="s"> connect --locator=ambari.localdomain[10334]</span>
+
+<span class="s"> destroy region --name=/regionEmployee</span>
+<span class="s"> destroy region --name=/regionCompany</span>
+<span class="s"> create region --name=regionEmployee --type=REPLICATE</span>
+<span class="s"> create region --name=regionCompany --type=REPLICATE</span>
+
+<span class="s"> exit;</span>
+<span class="s">EOF</span>
+</code></pre></div>
+<p>Above snippet re-creates two regions: <code>regionEmployee</code> and <code>regionCompany</code>. Note that you have to explicetely specify the locator host and port. The values should match those you have used in the Geode Interpreter configuration. Comprehensive  list of <a href="http://geode-docs.cfapps.io/docs/tools_modules/gfsh/gfsh_quick_reference.html">GFSH Commands by Functional Area</a>.</p>
+
+<h4>Basic OQL</h4>
+<div class="highlight"><pre><code class="sql language-sql" data-lang="sql"><span class="o">%</span><span class="n">geode</span><span class="p">.</span><span class="n">oql</span> 
+<span class="k">SELECT</span> <span class="k">count</span><span class="p">(</span><span class="o">*</span><span class="p">)</span> <span class="k">FROM</span> <span class="o">/</span><span class="n">regionEmploee</span>
+</code></pre></div>
+<p>OQL <code>IN</code> and <code>SET</code> filters:</p>
+<div class="highlight"><pre><code class="sql language-sql" data-lang="sql"><span class="o">%</span><span class="n">geode</span><span class="p">.</span><span class="n">oql</span>
+<span class="k">SELECT</span> <span class="o">*</span> <span class="k">FROM</span> <span class="o">/</span><span class="n">regionEmployee</span> 
+<span class="k">WHERE</span> <span class="n">companyId</span> <span class="k">IN</span> <span class="k">SET</span><span class="p">(</span><span class="mi">2</span><span class="p">)</span> <span class="k">OR</span> <span class="n">lastName</span> <span class="k">IN</span> <span class="k">SET</span><span class="p">(</span><span class="s1">&#39;Tzolov13&#39;</span><span class="p">,</span> <span class="s1">&#39;Tzolov73&#39;</span><span class="p">)</span>
+</code></pre></div>
+<p>OQL <code>JOIN</code> operations</p>
+<div class="highlight"><pre><code class="sql language-sql" data-lang="sql"><span class="o">%</span><span class="n">geode</span><span class="p">.</span><span class="n">oql</span>
+<span class="k">SELECT</span> <span class="n">e</span><span class="p">.</span><span class="n">employeeId</span><span class="p">,</span> <span class="n">e</span><span class="p">.</span><span class="n">firstName</span><span class="p">,</span> <span class="n">e</span><span class="p">.</span><span class="n">lastName</span><span class="p">,</span> <span class="k">c</span><span class="p">.</span><span class="n">id</span> <span class="k">as</span> <span class="n">companyId</span><span class="p">,</span> <span class="k">c</span><span class="p">.</span><span class="n">companyName</span><span class="p">,</span> <span class="k">c</span><span class="p">.</span><span class="n">address</span>
+<span class="k">FROM</span> <span class="o">/</span><span class="n">regionEmployee</span> <span class="n">e</span><span class="p">,</span> <span class="o">/</span><span class="n">regionCompany</span> <span class="k">c</span> 
+<span class="k">WHERE</span> <span class="n">e</span><span class="p">.</span><span class="n">companyId</span> <span class="o">=</span> <span class="k">c</span><span class="p">.</span><span class="n">id</span>
+</code></pre></div>
+<p>By default the QOL responses contain only the region entry values. To access the keys,  query the <code>EntrySet</code> instead:</p>
+<div class="highlight"><pre><code class="sql language-sql" data-lang="sql"><span class="o">%</span><span class="n">geode</span><span class="p">.</span><span class="n">oql</span>
+<span class="k">SELECT</span> <span class="n">e</span><span class="p">.</span><span class="k">key</span><span class="p">,</span> <span class="n">e</span><span class="p">.</span><span class="n">value</span><span class="p">.</span><span class="n">companyId</span><span class="p">,</span> <span class="n">e</span><span class="p">.</span><span class="n">value</span><span class="p">.</span><span class="n">email</span> 
+<span class="k">FROM</span> <span class="o">/</span><span class="n">regionEmployee</span><span class="p">.</span><span class="n">entrySet</span> <span class="n">e</span>
+</code></pre></div>
+<p>Following query will return the EntrySet value as a Blob:</p>
+<div class="highlight"><pre><code class="sql language-sql" data-lang="sql"><span class="o">%</span><span class="n">geode</span><span class="p">.</span><span class="n">oql</span>
+<span class="k">SELECT</span> <span class="n">e</span><span class="p">.</span><span class="k">key</span><span class="p">,</span> <span class="n">e</span><span class="p">.</span><span class="n">value</span> <span class="k">FROM</span> <span class="o">/</span><span class="n">regionEmployee</span><span class="p">.</span><span class="n">entrySet</span> <span class="n">e</span>
+</code></pre></div>
+<blockquote>
+<p>Note: You can have multiple queries in the same paragraph but only the result from the first is displayed. [<a href="https://issues.apache.org/jira/browse/ZEPPELIN-178">1</a>], [<a href="https://issues.apache.org/jira/browse/ZEPPELIN-212">2</a>].</p>
+</blockquote>
+
+<h4>GFSH Commands From The Shell</h4>
+
+<p>Use the Shell Interpreter (<code>%sh</code>) to run OQL commands form the command line:</p>
+<div class="highlight"><pre><code class="bash language-bash" data-lang="bash">%sh
+<span class="nb">source</span> /etc/geode/conf/geode-env.sh
+gfsh -e <span class="s2">&quot;connect&quot;</span> -e <span class="s2">&quot;list members&quot;</span>
+</code></pre></div>
+<h4>Apply Zeppelin Dynamic Forms</h4>
+
+<p>You can leverage <a href="https://zeppelin.incubator.apache.org/docs/manual/dynamicform.html">Zepplein Dynamic Form</a> inside your OQL queries. You can use both the <code>text input</code> and <code>select form</code> parametrization features</p>
+<div class="highlight"><pre><code class="sql language-sql" data-lang="sql"><span class="o">%</span><span class="n">geode</span><span class="p">.</span><span class="n">oql</span>
+<span class="k">SELECT</span> <span class="o">*</span> <span class="k">FROM</span> <span class="o">/</span><span class="n">regionEmployee</span> <span class="n">e</span> <span class="k">WHERE</span> <span class="n">e</span><span class="p">.</span><span class="n">employeeId</span> <span class="o">&gt;</span> <span class="err">${</span><span class="n">Id</span><span class="err">}</span>
+</code></pre></div>
+<h4>Geode REST API</h4>
+
+<p>To list the defined regions you can use the <a href="http://geode-docs.cfapps.io/docs/geode_rest/chapter_overview.html">Geode REST API</a>:</p>
+<div class="highlight"><pre><code class="text language-text" data-lang="text">http://&lt;geode server hostname&gt;phd1.localdomain:8484/gemfire-api/v1/
+</code></pre></div><div class="highlight"><pre><code class="json language-json" data-lang="json"><span class="p">{</span>
+  <span class="nt">&quot;regions&quot;</span> <span class="p">:</span> <span class="p">[{</span>
+    <span class="nt">&quot;name&quot;</span> <span class="p">:</span> <span class="s2">&quot;regionEmployee&quot;</span><span class="p">,</span>
+    <span class="nt">&quot;type&quot;</span> <span class="p">:</span> <span class="s2">&quot;REPLICATE&quot;</span><span class="p">,</span>
+    <span class="nt">&quot;key-constraint&quot;</span> <span class="p">:</span> <span class="kc">null</span><span class="p">,</span>
+    <span class="nt">&quot;value-constraint&quot;</span> <span class="p">:</span> <span class="kc">null</span>
+  <span class="p">},</span> <span class="p">{</span>
+    <span class="nt">&quot;name&quot;</span> <span class="p">:</span> <span class="s2">&quot;regionCompany&quot;</span><span class="p">,</span>
+    <span class="nt">&quot;type&quot;</span> <span class="p">:</span> <span class="s2">&quot;REPLICATE&quot;</span><span class="p">,</span>
+    <span class="nt">&quot;key-constraint&quot;</span> <span class="p">:</span> <span class="kc">null</span><span class="p">,</span>
+    <span class="nt">&quot;value-constraint&quot;</span> <span class="p">:</span> <span class="kc">null</span>
+  <span class="p">}]</span>
+<span class="p">}</span>
+</code></pre></div>
+<blockquote>
+<p>To enable Geode REST API with JSON support add the following properties to geode.server.properties.file and restart:</p>
+</blockquote>
+<div class="highlight"><pre><code class="text language-text" data-lang="text">http-service-port=8484
+start-dev-rest-api=true
+</code></pre></div>
+<h3>Auto-completion</h3>
+
+<p>The Geode Interpreter provides a basic auto-completion functionality. On <code>(Ctrl+.)</code> it list the most relevant suggesntions in a pop-up window. </p>
+
+  </div>
+</div>
+
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+++ incubator/zeppelin/site/docs/0.5.5-incubating/interpreter/ignite.html Thu Nov 19 06:38:15 2015
@@ -0,0 +1,470 @@
+
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <title>Ignite Interpreter</title>
+    <meta name="description" content="Ignite user guide">
+    <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]-->
+
+    <!-- Le styles -->
+    <link href="/assets/themes/zeppelin/bootstrap/css/bootstrap.css" rel="stylesheet">
+    <link href="/assets/themes/zeppelin/css/style.css?body=1" rel="stylesheet" type="text/css">
+    <link href="/assets/themes/zeppelin/css/syntax.css" rel="stylesheet"  type="text/css" media="screen" /> 
+    <!-- Le fav and touch icons -->
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+    -->
+
+    <!-- Js -->
+    <script src="https://code.jquery.com/jquery-1.10.2.min.js"></script>
+    <script src="/assets/themes/zeppelin/bootstrap/js/bootstrap.min.js"></script>
+
+    <!-- atom & rss feed -->
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+    <link href="/rss.xml" type="application/rss+xml" rel="alternate" title="Sitewide RSS Feed">
+  </head>
+
+  <body>
+    
+        <div class="navbar navbar-inverse navbar-fixed-top" role="navigation">
+      <div class="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>
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+          </button>
+          <a class="navbar-brand" href="/">
+            <img src="/assets/themes/zeppelin/img/zeppelin_logo.png" width="50" alt="I'm zeppelin">
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+          </a>
+        </div>
+        <nav class="navbar-collapse collapse" role="navigation">
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+          </ul>
+          <ul class="nav navbar-nav navbar-right">
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+          </ul>
+        </nav><!--/.navbar-collapse -->
+      </div>
+    </div>
+
+
+    <div class="container">
+      
+<!--<div class="hero-unit Ignite Interpreter">
+  <h1></h1>
+</div>
+-->
+
+<div class="row">
+  <div class="col-md-12">
+    <h2>Ignite Interpreter for Apache Zeppelin</h2>
+
+<h3>Overview</h3>
+
+<p><a href="https://ignite.apache.org/">Apache Ignite</a> In-Memory Data Fabric is a high-performance, integrated and distributed in-memory platform for computing and transacting on large-scale data sets in real-time, orders of magnitude faster than possible with traditional disk-based or flash technologies.</p>
+
+<p><img src="/assets/themes/zeppelin/img/docs-img/ignite-logo.png" alt="Apache Ignite"></p>
+
+<p>You can use Zeppelin to retrieve distributed data from cache using Ignite SQL interpreter. Moreover, Ignite interpreter allows you to execute any Scala code in cases when SQL doesn&#39;t fit to your requirements. For example, you can populate data into your caches or execute distributed computations.</p>
+
+<h3>Installing and Running Ignite example</h3>
+
+<p>In order to use Ignite interpreters, you may install Apache Ignite in some simple steps:</p>
+
+<ol>
+<li><p>Download Ignite <a href="https://ignite.apache.org/download.html#sources">source release</a> or <a href="https://ignite.apache.org/download.html#binaries">binary release</a> whatever you want. But you must download Ignite as the same version of Zeppelin&#39;s. If it is not, you can&#39;t use scala code on Zeppelin. You can find ignite version in Zepplin at the pom.xml which is placed under <code>path/to/your-Zeppelin/ignite/pom.xml</code> ( Of course, in Zeppelin source release ). Please check <code>ignite.version</code> .<br>Currently, Zeppelin provides ignite only in Zeppelin source release. So, if you download Zeppelin binary release( <code>zeppelin-0.5.0-incubating-bin-spark-xxx-hadoop-xx</code> ), you can not use ignite interpreter on Zeppelin. We are planning to include ignite in a future binary release.</p></li>
+<li><p>Examples are shipped as a separate Maven project, so to start running you simply need to import provided <dest_dir>/apache-ignite-fabric-1.2.0-incubating-bin/pom.xml file into your favourite IDE, such as Eclipse. </p></li>
+</ol>
+
+<ul>
+<li>In case of Eclipse, Eclipse -&gt; File -&gt; Import -&gt; Existing Maven Projects</li>
+<li>Set examples directory path to Eclipse and select the pom.xml.</li>
+<li><p>Then start <code>org.apache.ignite.examples.ExampleNodeStartup</code> (or whatever you want) to run at least one or more ignite node. When you run example code, you may notice that the number of node is increase one by one. </p>
+
+<blockquote>
+<p><strong>Tip. If you want to run Ignite examples on the cli not IDE, you can export executable Jar file from IDE. Then run it by using below command.</strong></p>
+</blockquote>
+<div class="highlight"><pre><code class="text language-text" data-lang="text">$ nohup java -jar &lt;/path/to/your Jar file name&gt; 
+</code></pre></div></li>
+</ul>
+
+<h3>Configuring Ignite Interpreter</h3>
+
+<p>At the &quot;Interpreters&quot; menu, you may edit Ignite interpreter or create new one. Zeppelin provides these properties for Ignite.</p>
+
+<p><table class="table-configuration">
+  <tr>
+      <th>Property Name</th>
+      <th>value</th>
+      <th>Description</th>
+  </tr>
+  <tr>
+      <td>ignite.addresses</td>
+      <td>127.0.0.1:47500..47509</td>
+      <td>Coma separated list of Ignite cluster hosts. See <a href="https://apacheignite.readme.io/v1.2/docs/cluster-config">Ignite Cluster Configuration</a> section for more details.</td>
+  </tr>
+  <tr>
+      <td>ignite.clientMode</td>
+      <td>true</td>
+      <td>You can connect to the Ignite cluster as client or server node. See <a href="https://apacheignite.readme.io/v1.2/docs/clients-vs-servers">Ignite Clients vs. Servers</a> section for details. Use true or false values in order to connect in client or server mode respectively.</td>
+  </tr>
+  <tr>
+      <td>ignite.config.url</td>
+      <td></td>
+      <td>Configuration URL. Overrides all other settings.</td>
+   </tr
+   <tr>
+      <td>ignite.jdbc.url</td>
+      <td>jdbc:ignite:cfg://default-ignite-jdbc.xml</td>
+      <td>Ignite JDBC connection URL.</td>
+   </tr>
+   <tr>
+      <td>ignite.peerClassLoadingEnabled</td>
+      <td>true</td>
+      <td>Enables peer-class-loading. See <a href="https://apacheignite.readme.io/v1.2/docs/zero-deployment">Zero Deployment</a> section for details. Use true or false values in order to enable or disable P2P class loading respectively.</td>
+  </tr>
+ </table></p>
+
+<p><img src="/assets/themes/zeppelin/img/docs-img/ignite-interpreter-setting.png" alt="Configuration of Ignite Interpreter"></p>
+
+<h3>Interpreter Binding for Zeppelin Notebook</h3>
+
+<p>After configuring Ignite interpreter, create your own notebook. Then you can bind interpreters like below image.</p>
+
+<p><img src="/assets/themes/zeppelin/img/docs-img/ignite-interpreter-binding.png" alt="Binding Interpreters"></p>
+
+<p>For more interpreter binding information see <a href="http://zeppelin.incubator.apache.org/docs/manual/interpreters.html">here</a>.</p>
+
+<h3>How to use Ignite SQL interpreter</h3>
+
+<p>In order to execute SQL query, use <code>%ignite.ignitesql</code> prefix. <br>
+Supposing you are running <code>org.apache.ignite.examples.streaming.wordcount.StreamWords</code>, then you can use &quot;words&quot; cache( Of course you have to specify this cache name to the Ignite interpreter setting section <code>ignite.jdbc.url</code> of Zeppelin ). 
+For example, you can select top 10 words in the words cache using the following query</p>
+<div class="highlight"><pre><code class="text language-text" data-lang="text">  %ignite.ignitesql 
+  select _val, count(_val) as cnt from String group by _val order by cnt desc limit 10 
+</code></pre></div>
+<p><img src="/assets/themes/zeppelin/img/docs-img/ignite-sql-example.png" alt="IgniteSql on Zeppelin"></p>
+
+<p>As long as your Ignite version and Zeppelin Ignite version is same, you can also use scala code. Please check the Zeppelin Ignite version before you download your own Ignite. </p>
+<div class="highlight"><pre><code class="text language-text" data-lang="text">  %ignite
+  import org.apache.ignite._
+  import org.apache.ignite.cache.affinity._
+  import org.apache.ignite.cache.query._
+  import org.apache.ignite.configuration._
+
+  import scala.collection.JavaConversions._
+
+  val cache: IgniteCache[AffinityUuid, String] = ignite.cache(&quot;words&quot;)
+
+  val qry = new SqlFieldsQuery(&quot;select avg(cnt), min(cnt), max(cnt) from (select count(_val) as cnt from String group by _val)&quot;, true)
+
+  val res = cache.query(qry).getAll()
+
+  collectionAsScalaIterable(res).foreach(println _)
+</code></pre></div>
+<p><img src="/assets/themes/zeppelin/img/docs-img/ignite-scala-example.png" alt="Using Scala Code"></p>
+
+<p>Apache Ignite also provides a guide docs for Zeppelin <a href="https://apacheignite.readme.io/docs/data-analysis-with-apache-zeppelin">&quot;Ignite with Apache Zeppelin&quot;</a></p>
+
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