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Posted to commits@spark.apache.org by rx...@apache.org on 2016/11/11 22:02:56 UTC
[07/51] [partial] spark-website git commit: Add docs for 2.0.2.
http://git-wip-us.apache.org/repos/asf/spark-website/blob/0bd36316/site/docs/2.0.2/api/java/org/apache/spark/SparkConf.html
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+<div class="subTitle">org.apache.spark</div>
+<h2 title="Class SparkConf" class="title">Class SparkConf</h2>
+</div>
+<div class="contentContainer">
+<ul class="inheritance">
+<li>Object</li>
+<li>
+<ul class="inheritance">
+<li>org.apache.spark.SparkConf</li>
+</ul>
+</li>
+</ul>
+<div class="description">
+<ul class="blockList">
+<li class="blockList">
+<dl>
+<dt>All Implemented Interfaces:</dt>
+<dd>Cloneable</dd>
+</dl>
+<hr>
+<br>
+<pre>public class <span class="strong">SparkConf</span>
+extends Object
+implements scala.Cloneable</pre>
+<div class="block">Configuration for a Spark application. Used to set various Spark parameters as key-value pairs.
+ <p>
+ Most of the time, you would create a SparkConf object with <code>new SparkConf()</code>, which will load
+ values from any <code>spark.*</code> Java system properties set in your application as well. In this case,
+ parameters you set directly on the <code>SparkConf</code> object take priority over system properties.
+ <p>
+ For unit tests, you can also call <code>new SparkConf(false)</code> to skip loading external settings and
+ get the same configuration no matter what the system properties are.
+ <p>
+ All setter methods in this class support chaining. For example, you can write
+ <code>new SparkConf().setMaster("local").setAppName("My app")</code>.
+ <p>
+ Note that once a SparkConf object is passed to Spark, it is cloned and can no longer be modified
+ by the user. Spark does not support modifying the configuration at runtime.
+ <p>
+ param: loadDefaults whether to also load values from Java system properties</div>
+</li>
+</ul>
+</div>
+<div class="summary">
+<ul class="blockList">
+<li class="blockList">
+<!-- ======== CONSTRUCTOR SUMMARY ======== -->
+<ul class="blockList">
+<li class="blockList"><a name="constructor_summary">
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+</a>
+<h3>Constructor Summary</h3>
+<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation">
+<caption><span>Constructors</span><span class="tabEnd"> </span></caption>
+<tr>
+<th class="colOne" scope="col">Constructor and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colOne"><code><strong><a href="../../../org/apache/spark/SparkConf.html#SparkConf()">SparkConf</a></strong>()</code>
+<div class="block">Create a SparkConf that loads defaults from system properties and the classpath</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colOne"><code><strong><a href="../../../org/apache/spark/SparkConf.html#SparkConf(boolean)">SparkConf</a></strong>(boolean loadDefaults)</code> </td>
+</tr>
+</table>
+</li>
+</ul>
+<!-- ========== METHOD SUMMARY =========== -->
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+<li class="blockList"><a name="method_summary">
+<!-- -->
+</a>
+<h3>Method Summary</h3>
+<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
+<caption><span>Methods</span><span class="tabEnd"> </span></caption>
+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Method and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code><a href="../../../org/apache/spark/SparkConf.html" title="class in org.apache.spark">SparkConf</a></code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#clone()">clone</a></strong>()</code>
+<div class="block">Copy this object</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>boolean</code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#contains(java.lang.String)">contains</a></strong>(String key)</code>
+<div class="block">Does the configuration contain a given parameter?</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>String</code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#get(java.lang.String)">get</a></strong>(String key)</code>
+<div class="block">Get a parameter; throws a NoSuchElementException if it's not set</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>String</code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#get(java.lang.String,%20java.lang.String)">get</a></strong>(String key,
+ String defaultValue)</code>
+<div class="block">Get a parameter, falling back to a default if not set</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>scala.Tuple2<String,String>[]</code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#getAll()">getAll</a></strong>()</code>
+<div class="block">Get all parameters as a list of pairs</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>String</code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#getAppId()">getAppId</a></strong>()</code>
+<div class="block">Returns the Spark application id, valid in the Driver after TaskScheduler registration and
+ from the start in the Executor.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>scala.collection.immutable.Map<Object,String></code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#getAvroSchema()">getAvroSchema</a></strong>()</code>
+<div class="block">Gets all the avro schemas in the configuration used in the generic Avro record serializer</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>boolean</code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#getBoolean(java.lang.String,%20boolean)">getBoolean</a></strong>(String key,
+ boolean defaultValue)</code>
+<div class="block">Get a parameter as a boolean, falling back to a default if not set</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>static scala.Option<String></code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#getDeprecatedConfig(java.lang.String,%20org.apache.spark.SparkConf)">getDeprecatedConfig</a></strong>(String key,
+ <a href="../../../org/apache/spark/SparkConf.html" title="class in org.apache.spark">SparkConf</a> conf)</code>
+<div class="block">Looks for available deprecated keys for the given config option, and return the first
+ value available.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>double</code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#getDouble(java.lang.String,%20double)">getDouble</a></strong>(String key,
+ double defaultValue)</code>
+<div class="block">Get a parameter as a double, falling back to a default if not set</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>scala.collection.Seq<scala.Tuple2<String,String>></code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#getExecutorEnv()">getExecutorEnv</a></strong>()</code>
+<div class="block">Get all executor environment variables set on this SparkConf</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>int</code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#getInt(java.lang.String,%20int)">getInt</a></strong>(String key,
+ int defaultValue)</code>
+<div class="block">Get a parameter as an integer, falling back to a default if not set</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>long</code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#getLong(java.lang.String,%20long)">getLong</a></strong>(String key,
+ long defaultValue)</code>
+<div class="block">Get a parameter as a long, falling back to a default if not set</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>scala.Option<String></code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#getOption(java.lang.String)">getOption</a></strong>(String key)</code>
+<div class="block">Get a parameter as an Option</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>long</code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#getSizeAsBytes(java.lang.String)">getSizeAsBytes</a></strong>(String key)</code>
+<div class="block">Get a size parameter as bytes; throws a NoSuchElementException if it's not set.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>long</code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#getSizeAsBytes(java.lang.String,%20long)">getSizeAsBytes</a></strong>(String key,
+ long defaultValue)</code>
+<div class="block">Get a size parameter as bytes, falling back to a default if not set.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>long</code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#getSizeAsBytes(java.lang.String,%20java.lang.String)">getSizeAsBytes</a></strong>(String key,
+ String defaultValue)</code>
+<div class="block">Get a size parameter as bytes, falling back to a default if not set.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>long</code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#getSizeAsGb(java.lang.String)">getSizeAsGb</a></strong>(String key)</code>
+<div class="block">Get a size parameter as Gibibytes; throws a NoSuchElementException if it's not set.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>long</code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#getSizeAsGb(java.lang.String,%20java.lang.String)">getSizeAsGb</a></strong>(String key,
+ String defaultValue)</code>
+<div class="block">Get a size parameter as Gibibytes, falling back to a default if not set.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>long</code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#getSizeAsKb(java.lang.String)">getSizeAsKb</a></strong>(String key)</code>
+<div class="block">Get a size parameter as Kibibytes; throws a NoSuchElementException if it's not set.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>long</code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#getSizeAsKb(java.lang.String,%20java.lang.String)">getSizeAsKb</a></strong>(String key,
+ String defaultValue)</code>
+<div class="block">Get a size parameter as Kibibytes, falling back to a default if not set.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>long</code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#getSizeAsMb(java.lang.String)">getSizeAsMb</a></strong>(String key)</code>
+<div class="block">Get a size parameter as Mebibytes; throws a NoSuchElementException if it's not set.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>long</code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#getSizeAsMb(java.lang.String,%20java.lang.String)">getSizeAsMb</a></strong>(String key,
+ String defaultValue)</code>
+<div class="block">Get a size parameter as Mebibytes, falling back to a default if not set.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>long</code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#getTimeAsMs(java.lang.String)">getTimeAsMs</a></strong>(String key)</code>
+<div class="block">Get a time parameter as milliseconds; throws a NoSuchElementException if it's not set.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>long</code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#getTimeAsMs(java.lang.String,%20java.lang.String)">getTimeAsMs</a></strong>(String key,
+ String defaultValue)</code>
+<div class="block">Get a time parameter as milliseconds, falling back to a default if not set.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>long</code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#getTimeAsSeconds(java.lang.String)">getTimeAsSeconds</a></strong>(String key)</code>
+<div class="block">Get a time parameter as seconds; throws a NoSuchElementException if it's not set.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>long</code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#getTimeAsSeconds(java.lang.String,%20java.lang.String)">getTimeAsSeconds</a></strong>(String key,
+ String defaultValue)</code>
+<div class="block">Get a time parameter as seconds, falling back to a default if not set.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>static boolean</code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#isExecutorStartupConf(java.lang.String)">isExecutorStartupConf</a></strong>(String name)</code>
+<div class="block">Return whether the given config should be passed to an executor on start-up.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>static boolean</code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#isSparkPortConf(java.lang.String)">isSparkPortConf</a></strong>(String name)</code>
+<div class="block">Return true if the given config matches either <code>spark.*.port</code> or <code>spark.port.*</code>.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>static void</code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#logDeprecationWarning(java.lang.String)">logDeprecationWarning</a></strong>(String key)</code>
+<div class="block">Logs a warning message if the given config key is deprecated.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code><a href="../../../org/apache/spark/SparkConf.html" title="class in org.apache.spark">SparkConf</a></code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#registerAvroSchemas(scala.collection.Seq)">registerAvroSchemas</a></strong>(scala.collection.Seq<org.apache.avro.Schema> schemas)</code>
+<div class="block">Use Kryo serialization and register the given set of Avro schemas so that the generic
+ record serializer can decrease network IO</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code><a href="../../../org/apache/spark/SparkConf.html" title="class in org.apache.spark">SparkConf</a></code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#registerKryoClasses(java.lang.Class[])">registerKryoClasses</a></strong>(Class<?>[] classes)</code>
+<div class="block">Use Kryo serialization and register the given set of classes with Kryo.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code><a href="../../../org/apache/spark/SparkConf.html" title="class in org.apache.spark">SparkConf</a></code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#remove(java.lang.String)">remove</a></strong>(String key)</code>
+<div class="block">Remove a parameter from the configuration</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code><a href="../../../org/apache/spark/SparkConf.html" title="class in org.apache.spark">SparkConf</a></code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#set(java.lang.String,%20java.lang.String)">set</a></strong>(String key,
+ String value)</code>
+<div class="block">Set a configuration variable.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code><a href="../../../org/apache/spark/SparkConf.html" title="class in org.apache.spark">SparkConf</a></code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#setAll(scala.collection.Traversable)">setAll</a></strong>(scala.collection.Traversable<scala.Tuple2<String,String>> settings)</code>
+<div class="block">Set multiple parameters together</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code><a href="../../../org/apache/spark/SparkConf.html" title="class in org.apache.spark">SparkConf</a></code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#setAppName(java.lang.String)">setAppName</a></strong>(String name)</code>
+<div class="block">Set a name for your application.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code><a href="../../../org/apache/spark/SparkConf.html" title="class in org.apache.spark">SparkConf</a></code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#setExecutorEnv(scala.collection.Seq)">setExecutorEnv</a></strong>(scala.collection.Seq<scala.Tuple2<String,String>> variables)</code>
+<div class="block">Set multiple environment variables to be used when launching executors.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code><a href="../../../org/apache/spark/SparkConf.html" title="class in org.apache.spark">SparkConf</a></code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#setExecutorEnv(java.lang.String,%20java.lang.String)">setExecutorEnv</a></strong>(String variable,
+ String value)</code>
+<div class="block">Set an environment variable to be used when launching executors for this application.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code><a href="../../../org/apache/spark/SparkConf.html" title="class in org.apache.spark">SparkConf</a></code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#setExecutorEnv(scala.Tuple2[])">setExecutorEnv</a></strong>(scala.Tuple2<String,String>[] variables)</code>
+<div class="block">Set multiple environment variables to be used when launching executors.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code><a href="../../../org/apache/spark/SparkConf.html" title="class in org.apache.spark">SparkConf</a></code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#setIfMissing(java.lang.String,%20java.lang.String)">setIfMissing</a></strong>(String key,
+ String value)</code>
+<div class="block">Set a parameter if it isn't already configured</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code><a href="../../../org/apache/spark/SparkConf.html" title="class in org.apache.spark">SparkConf</a></code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#setJars(scala.collection.Seq)">setJars</a></strong>(scala.collection.Seq<String> jars)</code>
+<div class="block">Set JAR files to distribute to the cluster.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code><a href="../../../org/apache/spark/SparkConf.html" title="class in org.apache.spark">SparkConf</a></code></td>
+<td class="colLast"><code><strong><a href="../../../org/apache/spark/SparkConf.html#setJars(java.lang.String[])">setJars</a></strong>(String[] jars)</code>
+<div class="block">Set JAR files to distribute to the cluster.</div>
+</td>
+</tr>
+<tr class="altColor">
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+<a name="getLong(java.lang.String, long)">
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+<h4>getLong</h4>
+<pre>public long getLong(String key,
+ long defaultValue)</pre>
+<div class="block">Get a parameter as a long, falling back to a default if not set</div>
+</li>
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+<a name="getDouble(java.lang.String, double)">
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+<pre>public double getDouble(String key,
+ double defaultValue)</pre>
+<div class="block">Get a parameter as a double, falling back to a default if not set</div>
+</li>
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+<a name="getBoolean(java.lang.String, boolean)">
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+<h4>getBoolean</h4>
+<pre>public boolean getBoolean(String key,
+ boolean defaultValue)</pre>
+<div class="block">Get a parameter as a boolean, falling back to a default if not set</div>
+</li>
+</ul>
+<a name="getExecutorEnv()">
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+<h4>getExecutorEnv</h4>
+<pre>public scala.collection.Seq<scala.Tuple2<String,String>> getExecutorEnv()</pre>
+<div class="block">Get all executor environment variables set on this SparkConf</div>
+</li>
+</ul>
+<a name="getAppId()">
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+<h4>getAppId</h4>
+<pre>public String getAppId()</pre>
+<div class="block">Returns the Spark application id, valid in the Driver after TaskScheduler registration and
+ from the start in the Executor.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>(undocumented)</dd></dl>
+</li>
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+<pre>public boolean contains(String key)</pre>
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+<h4>clone</h4>
+<pre>public <a href="../../../org/apache/spark/SparkConf.html" title="class in org.apache.spark">SparkConf</a> clone()</pre>
+<div class="block">Copy this object</div>
+<dl>
+<dt><strong>Overrides:</strong></dt>
+<dd><code>clone</code> in class <code>Object</code></dd>
+</dl>
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+<pre>public String toDebugString()</pre>
+<div class="block">Return a string listing all keys and values, one per line. This is useful to print the
+ configuration out for debugging.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>(undocumented)</dd></dl>
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