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07_Spark-Core-Dynamic-Allocation-Of-Executors.html
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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Spark 2.0 Webinar - Dynamic Allocation of Executors</title>
<meta name="description" content="Spark 2.0 Webinar - Dynamic Allocation of Executors">
<meta name="author" content="Jacek Laskowski">
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<div class="reveal">
<div class="slides">
<div class="footer">
<small>Copyright ©2017 Jacek Laskowski</small>
</div>
<section class="intro" data-transition="zoom">
<p>
<img width="15%" style="background:none; border:none; box-shadow:none;" data-src="images/spark-logo.png">
<img width="25%" src="images/ValueAmplify_Logo_Final_medium.jpg" style="border: 0">
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</p>
<h1>Dynamic Allocation of Executors</h1>
<h2>Apache Spark 2 / Spark Core</h2>
<small><a href="https://www.yammer.com/valueamplify.com/#/threads/inGroup?feedId=8926699">Yammer: AML Spark Training Class</a></small>
</section>
<section id="agenda">
<h2>Agenda</h2>
<ol>
<li><a href="#/spark-architecture">Spark Architecture</a></li>
<li><a href="#/dynamic-allocation">Dynamic Allocation of Executors</a></li>
<li><a href="#/demo">Dynamic Allocation Demo</a></li>
</ol>
</section>
<section id="spark-architecture">
<h2>Spark Architecture</h2>
<ol>
<li><b>Driver</b> is a JVM process that hosts SparkContext for a Spark application</li>
<li><b>Executor</b> is a distributed agent that executes Spark tasks</li>
<li><b>Master</b> and <b>Slaves</b> / <b>Workers</b></li>
<li>Switch to Mastering Apache Spark 2
<ul>
<li><a href="https://jaceklaskowski.gitbooks.io/mastering-apache-spark/content/spark-architecture.html">Spark Architecture</a></li>
</ul>
</li>
</ol>
</section>
<section id="dynamic-allocation">
<h2>Dynamic Allocation of Executors</h2>
<ol>
<li><b>Dynamic Allocation</b> is a Spark feature that allows for adding or removing executors dynamically based on the workload</li>
<li>Switch to Mastering Apache Spark 2
<ul>
<li><a href="https://jaceklaskowski.gitbooks.io/mastering-apache-spark/content/spark-dynamic-allocation.html">Dynamic Allocation (of Executors)</a></li>
</ul>
</li>
</ol>
</section>
<section>
<section id="demo">
<h2>Dynamic Allocation Demo - run-example</h2>
<ol>
<li><b>Spark on YARN</b> with YARN-specific <b>ExternalShuffleService</b></li>
<li><b>run-example</b> is <b>spark-submit</b> to run Spark examples, e.g. <b>SparkPi</b></li>
<li><b>web UI</b>'s Timeline</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 script</a></li>
<li><a href="https://jaceklaskowski.gitbooks.io/mastering-apache-spark/content/yarn/spark-yarn-YarnShuffleService.html">YarnShuffleService — ExternalShuffleService on YARN</a></li>
</ul>
</li>
</ol>
</section>
<section id="demo-spark-shell">
<h2>Dynamic Allocation Demo - spark-shell</h2>
<ol>
<li><b>Programmable Dynamic Allocation</b> in <b>spark-shell</b></li>
<li>Switch to Mastering Apache Spark 2
<ul>
<li><a href="https://jaceklaskowski.gitbooks.io/mastering-apache-spark/content/spark-dynamic-allocation.html#programmable-dynamic-allocation">Programmable Dynamic Allocation</a></li>
</ul>
</li>
</ol>
</section>
</section>
<section id="recap">
<h2>Recap</h2>
<ol>
<li><a href="#/spark-architecture">Spark Architecture</a></li>
<li><a href="#/dynamic-allocation">Dynamic Allocation of Executors</a></li>
<li><a href="#/demo">Dynamic Allocation Demo</a></li>
</ol>
</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>https://bit.ly/mastering-apache-spark</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>Visit <a href="https://blog.jaceklaskowski.pl">Jacek Laskowski's blog</a></li>
</ul>
</p>
</section>
</div>
</div>
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