Back to home page

OSCL-LXR

 
 

    


0001 
0002 <!DOCTYPE html>
0003 <!--[if lt IE 7]>      <html class="no-js lt-ie9 lt-ie8 lt-ie7"> <![endif]-->
0004 <!--[if IE 7]>         <html class="no-js lt-ie9 lt-ie8"> <![endif]-->
0005 <!--[if IE 8]>         <html class="no-js lt-ie9"> <![endif]-->
0006 <!--[if gt IE 8]><!--> <html class="no-js"> <!--<![endif]-->
0007     <head>
0008         <meta charset="utf-8">
0009         <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
0010         <title>{{ page.title }} - Spark {{site.SPARK_VERSION_SHORT}} Documentation</title>
0011         {% if page.description %}
0012           <meta name="description" content="{{page.description | replace: 'SPARK_VERSION_SHORT', site.SPARK_VERSION_SHORT}}">
0013         {% endif %}
0014 
0015         {% if page.redirect %}
0016           <meta http-equiv="refresh" content="0; url={{page.redirect}}">
0017           <link rel="canonical" href="{{page.redirect}}" />
0018         {% endif %}
0019 
0020         <link rel="stylesheet" href="css/bootstrap.min.css">
0021         <style>
0022             body {
0023                 padding-top: 60px;
0024                 padding-bottom: 40px;
0025             }
0026         </style>
0027         <meta name="viewport" content="width=device-width">
0028         <link rel="stylesheet" href="css/bootstrap-responsive.min.css">
0029         <link rel="stylesheet" href="css/main.css">
0030 
0031         <script src="js/vendor/modernizr-2.6.1-respond-1.1.0.min.js"></script>
0032 
0033         <link rel="stylesheet" href="css/pygments-default.css">
0034 
0035         {% production %}
0036         <!-- Google analytics script -->
0037         <script type="text/javascript">
0038           var _gaq = _gaq || [];
0039           _gaq.push(['_setAccount', 'UA-32518208-2']);
0040           _gaq.push(['_trackPageview']);
0041 
0042           (function() {
0043             var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
0044             ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
0045             var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
0046           })();
0047         </script>
0048         {% endproduction %}
0049 
0050     </head>
0051     <body>
0052         <!--[if lt IE 7]>
0053             <p class="chromeframe">You are using an outdated browser. <a href="https://browsehappy.com/">Upgrade your browser today</a> or <a href="http://www.google.com/chromeframe/?redirect=true">install Google Chrome Frame</a> to better experience this site.</p>
0054         <![endif]-->
0055 
0056         <!-- This code is taken from http://twitter.github.com/bootstrap/examples/hero.html -->
0057 
0058         <div class="navbar navbar-fixed-top" id="topbar">
0059             <div class="navbar-inner">
0060                 <div class="container">
0061                     <div class="brand"><a href="index.html">
0062                       <img src="img/spark-logo-hd.png" style="height:50px;"/></a><span class="version">{{site.SPARK_VERSION_SHORT}}</span>
0063                     </div>
0064                     <ul class="nav">
0065                         <!--TODO(andyk): Add class="active" attribute to li some how.-->
0066                         <li><a href="index.html">Overview</a></li>
0067 
0068                         <li class="dropdown">
0069                             <a href="#" class="dropdown-toggle" data-toggle="dropdown">Programming Guides<b class="caret"></b></a>
0070                             <ul class="dropdown-menu">
0071                                 <li><a href="quick-start.html">Quick Start</a></li>
0072                                 <li><a href="rdd-programming-guide.html">RDDs, Accumulators, Broadcasts Vars</a></li>
0073                                 <li><a href="sql-programming-guide.html">SQL, DataFrames, and Datasets</a></li>
0074                                 <li><a href="structured-streaming-programming-guide.html">Structured Streaming</a></li>
0075                                 <li><a href="streaming-programming-guide.html">Spark Streaming (DStreams)</a></li>
0076                                 <li><a href="ml-guide.html">MLlib (Machine Learning)</a></li>
0077                                 <li><a href="graphx-programming-guide.html">GraphX (Graph Processing)</a></li>
0078                                 <li><a href="sparkr.html">SparkR (R on Spark)</a></li>
0079                             </ul>
0080                         </li>
0081 
0082                         <li class="dropdown">
0083                             <a href="#" class="dropdown-toggle" data-toggle="dropdown">API Docs<b class="caret"></b></a>
0084                             <ul class="dropdown-menu">
0085                                 <li><a href="api/scala/org/apache/spark/index.html">Scala</a></li>
0086                                 <li><a href="api/java/index.html">Java</a></li>
0087                                 <li><a href="api/python/index.html">Python</a></li>
0088                                 <li><a href="api/R/index.html">R</a></li>
0089                                 <li><a href="api/sql/index.html">SQL, Built-in Functions</a></li>
0090                             </ul>
0091                         </li>
0092 
0093                         <li class="dropdown">
0094                             <a href="#" class="dropdown-toggle" data-toggle="dropdown">Deploying<b class="caret"></b></a>
0095                             <ul class="dropdown-menu">
0096                                 <li><a href="cluster-overview.html">Overview</a></li>
0097                                 <li><a href="submitting-applications.html">Submitting Applications</a></li>
0098                                 <li class="divider"></li>
0099                                 <li><a href="spark-standalone.html">Spark Standalone</a></li>
0100                                 <li><a href="running-on-mesos.html">Mesos</a></li>
0101                                 <li><a href="running-on-yarn.html">YARN</a></li>
0102                                 <li><a href="running-on-kubernetes.html">Kubernetes</a></li>
0103                             </ul>
0104                         </li>
0105 
0106                         <li class="dropdown">
0107                             <a href="api.html" class="dropdown-toggle" data-toggle="dropdown">More<b class="caret"></b></a>
0108                             <ul class="dropdown-menu">
0109                                 <li><a href="configuration.html">Configuration</a></li>
0110                                 <li><a href="monitoring.html">Monitoring</a></li>
0111                                 <li><a href="tuning.html">Tuning Guide</a></li>
0112                                 <li><a href="job-scheduling.html">Job Scheduling</a></li>
0113                                 <li><a href="security.html">Security</a></li>
0114                                 <li><a href="hardware-provisioning.html">Hardware Provisioning</a></li>
0115                                 <li><a href="migration-guide.html">Migration Guide</a></li>
0116                                 <li class="divider"></li>
0117                                 <li><a href="building-spark.html">Building Spark</a></li>
0118                                 <li><a href="https://spark.apache.org/contributing.html">Contributing to Spark</a></li>
0119                                 <li><a href="https://spark.apache.org/third-party-projects.html">Third Party Projects</a></li>
0120                             </ul>
0121                         </li>
0122                     </ul>
0123                     <!--<p class="navbar-text pull-right"><span class="version-text">v{{site.SPARK_VERSION_SHORT}}</span></p>-->
0124                 </div>
0125             </div>
0126         </div>
0127 
0128         <div class="container-wrapper">
0129 
0130             {% if page.url contains "/ml" or page.url contains "/sql" or page.url contains "migration-guide.html" %}
0131                 {% if page.url contains "migration-guide.html" %}
0132                     {% include nav-left-wrapper-migration.html nav-migration=site.data.menu-migration %}
0133                 {% elsif page.url contains "/ml" %}
0134                     {% include nav-left-wrapper-ml.html nav-mllib=site.data.menu-mllib nav-ml=site.data.menu-ml %}
0135                 {% else %}
0136                     {% include nav-left-wrapper-sql.html nav-sql=site.data.menu-sql %}
0137                 {% endif %}
0138                 <input id="nav-trigger" class="nav-trigger" checked type="checkbox">
0139                 <label for="nav-trigger"></label>
0140                 <div class="content-with-sidebar" id="content">
0141                     {% if page.displayTitle %}
0142                         <h1 class="title">{{ page.displayTitle }}</h1>
0143                     {% else %}
0144                         <h1 class="title">{{ page.title }}</h1>
0145                     {% endif %}
0146 
0147                     {{ content }}
0148 
0149                 </div>
0150             {% else %}
0151                 <div class="content" id="content">
0152                     {% if page.displayTitle %}
0153                         <h1 class="title">{{ page.displayTitle }}</h1>
0154                     {% else %}
0155                         <h1 class="title">{{ page.title }}</h1>
0156                     {% endif %}
0157 
0158                     {{ content }}
0159 
0160                 </div>
0161             {% endif %}
0162              <!-- /container -->
0163         </div>
0164 
0165         <script src="js/vendor/jquery-3.4.1.min.js"></script>
0166         <script src="js/vendor/bootstrap.min.js"></script>
0167         <script src="js/vendor/anchor.min.js"></script>
0168         <script src="js/main.js"></script>
0169 
0170         <!-- MathJax Section -->
0171         <script type="text/x-mathjax-config">
0172             MathJax.Hub.Config({
0173                 TeX: { equationNumbers: { autoNumber: "AMS" } }
0174             });
0175         </script>
0176         <script>
0177             // Note that we load MathJax this way to work with local file (file://), HTTP and HTTPS.
0178             // We could use "//cdn.mathjax...", but that won't support "file://".
0179             (function(d, script) {
0180                 script = d.createElement('script');
0181                 script.type = 'text/javascript';
0182                 script.async = true;
0183                 script.onload = function(){
0184                     MathJax.Hub.Config({
0185                         tex2jax: {
0186                             inlineMath: [ ["$", "$"], ["\\\\(","\\\\)"] ],
0187                             displayMath: [ ["$$","$$"], ["\\[", "\\]"] ],
0188                             processEscapes: true,
0189                             skipTags: ['script', 'noscript', 'style', 'textarea', 'pre']
0190                         }
0191                     });
0192                 };
0193                 script.src = ('https:' == document.location.protocol ? 'https://' : 'http://') +
0194                     'cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/MathJax.js' +
0195                     '?config=TeX-AMS-MML_HTMLorMML';
0196                 d.getElementsByTagName('head')[0].appendChild(script);
0197             }(document));
0198         </script>
0199     </body>
0200 </html>