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01_Spark-Intro-Using-Spark-Shell.html
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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Apache Spark 2 Workshop — Into Apache Spark 2 Using spark-shell (and Databricks)</title>
<meta name="description" content="Apache Spark 2 Workshop — Into Apache Spark 2 Using spark-shell (and Databricks)">
<meta name="author" content="Jacek Laskowski">
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<small>Copyright ©2017 Jacek Laskowski</small>
</div>
<section class="intro" data-transition="zoom">
<p>
<img width="5%" style="background:none; border:none; box-shadow:none;" data-src="images/scala-logo.png">
<img width="17%" style="background:none; border:none; box-shadow:none;" data-src="images/spark-logo.png">
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</p>
<h2>Into Apache Spark 2</h2>
<h1>Using spark-shell</h1>
<h3>...and Databricks</h3>
<h4><a href="https://twitter.com/jaceklaskowski">@jaceklaskowski</a> / <a href="http://stackoverflow.com/users/1305344/jacek-laskowski">StackOverflow</a> / <a href="https://github.com/jaceklaskowski">GitHub</a><br />
Notebooks: <a href="http://bit.ly/mastering-apache-spark">Mastering Apache Spark</a> / <a href="http://bit.ly/spark-structured-streaming">Spark Structured Streaming</a></h4>
</section>
<section>
<section id="spark-shell">
<h2>Spark Shell</h2>
<ol>
<li><b>Interactive</b> Spark Development Environment</li>
<li>Scala REPL + few Spark imports and values</li>
<li>Excellent tool to explore and learn Spark</li>
<li>Use <b>spark-shell</b> to open it
<ul>
<li>Install Apache Spark first</li>
<li><a href="https://books.japila.pl/apache-spark-internals/apache-spark-internals/2.4.4/spark-tips-and-tricks-running-spark-windows.html">Running Spark Applications on Windows</a></li>
<li>Only one active due to Derby database for metadata</li>
</ul>
</li>
<li>Use <b>TAB</b> early and often</li>
<li>Switch to Mastering Apache Spark 2
<ul>
<li><a href="https://jaceklaskowski.gitbooks.io/mastering-apache-spark/content/spark-shell.html">Spark Shell — spark-shell shell script</a></li>
</ul>
</li>
</ol>
</section>
<section id="spark-shell-exercise" data-markdown>
<script type="text/template">
## Exercise: Using spark-shell
* Open **spark-shell**
* Use **spark.range** and **show** the records
</script>
</section>
</section>
<section id="sparksession">
<h2>SparkSession</h2>
<ol>
<li>The entry point to Spark SQL
<ul>
<li>...and Spark in general these days</li>
</ul>
</li>
<li>spark-shell creates an instance as <b>spark</b> for you</li>
<li><b>version</b> gives you the version of Spark you use</li>
<li>Used to create Datasets/DataFrames
<ul>
<li><b>spark.range(numberOfRecords)</b></li>
</ul>
</li>
<li>Switch to Mastering Apache Spark 2
<ul>
<li><a href="https://jaceklaskowski.gitbooks.io/mastering-apache-spark/content/spark-sql-sparksession.html">SparkSession — The Entry Point to Spark SQL</a></li>
</ul>
</li>
</ol>
</section>
<section id="databricks-cloud">
<h2>Databricks Cloud</h2>
<ol>
<li>Web-based spark-shell in the cloud</li>
<li>No need to install anything but the web browser</li>
<li>Visit <a href="https://community.cloud.databricks.com/">Databricks Cloud Community Edition</a></li>
<li>Excellent tool for data scientists</li>
</ol>
</section>
<section id="spark-submit">
<h2>Spark Submit</h2>
<ol>
<li>Tool to submit Spark applications</li>
<li>Use <b>spark-submit</b> shell script</li>
<li>spark-shell is a Spark application submitted for execution using spark-submit</li>
<li>Command-line options bring the full experience</li>
<li>Switch to Mastering Apache Spark 2
<ul>
<li><a href="https://jaceklaskowski.gitbooks.io/mastering-apache-spark/content/spark-submit.html">Spark Submit — spark-submit shell script</a></li>
</ul>
</li>
</ol>
</section>
<section id="tools">
<h2>Tools</h2>
<ul>
<li>
<b>spark-shell</b> - an interactive shell for Apache Spark
</li>
<li>
<b>spark-submit</b> - a tool to manage Spark applications (i.e. submit, kill, status)
</li>
<li>
<b>spark-sql</b> - an interactive shell for Spark SQL and Hive queries
</li>
<li>
<b>web UI</b> - a web interface to monitor Spark computations
</li>
<li>
<b>Scaladoc</b> - <a href="http://spark.apache.org/docs/latest/api/scala/index.html#org.apache.spark.package">Spark's Scala API documentation</a>
</li>
</ul>
</section>
<section id="questions" style="text-align: left">
<h1>Questions?</h1>
<p>
<ul>
<li>Read <a href="https://bit.ly/mastering-apache-spark">Mastering Apache Spark 2</a>
<ul>
<li><a href="https://bit.ly/mastering-apache-spark">https://bit.ly/mastering-apache-spark</a></li>
</ul>
</li>
<li>Follow <a href="https://twitter.com/jaceklaskowski">@jaceklaskowski</a> on twitter</li>
<li>Upvote <a href="http://stackoverflow.com/users/1305344/jacek-laskowski">my questions and answers on StackOverflow</a></li>
<li>Use <a href="https://github.com/jaceklaskowski">Jacek's code at GitHub</a></li>
<li>Read <a href="https://medium.com/@jaceklaskowski">Jacek Laskowski @ Medium</a></li>
<li>Upvote <a href="https://www.quora.com/profile/Jacek-Laskowski">my answers on Quora</a></li>
<li>Connect on <a href="https://www.linkedin.com/in/jaceklaskowski/">LinkedIn</a></li>
<li>Visit <a href="https://blog.jaceklaskowski.pl">Jacek Laskowski's blog</a></li>
</ul>
</p>
</section>
</div>
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