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+</div>
+<div class="contentContainer">
+<ul class="inheritance">
+<li>Object</li>
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+<ul class="inheritance">
+<li>org.apache.spark.AccumulatorParam.IntAccumulatorParam$</li>
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+<dt>All Implemented Interfaces:</dt>
+<dd>java.io.Serializable, <a href="../../../org/apache/spark/AccumulableParam.html" title="interface in org.apache.spark">AccumulableParam</a>&lt;Object,Object&gt;, <a href="../../../org/apache/spark/AccumulatorParam.html" title="interface in org.apache.spark">AccumulatorParam</a>&lt;Object&gt;</dd>
+</dl>
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+<dd><a href="../../../org/apache/spark/AccumulatorParam.html" title="interface in org.apache.spark">AccumulatorParam</a>&lt;<a href="../../../org/apache/spark/AccumulatorParam.html" title="type parameter in AccumulatorParam">T</a>&gt;</dd>
+</dl>
+<hr>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
+<div class="block"><span class="deprecationComment">use AccumulatorV2. Since 2.0.0.</span></div>
+</div>
+<br>
+<pre>public static class <span class="typeNameLabel">AccumulatorParam.IntAccumulatorParam$</span>
+extends Object
+implements <a href="../../../org/apache/spark/AccumulatorParam.html" title="interface in org.apache.spark">AccumulatorParam</a>&lt;Object&gt;</pre>
+<dl>
+<dt><span class="seeLabel">See Also:</span></dt>
+<dd><a href="../../../serialized-form.html#org.apache.spark.AccumulatorParam.IntAccumulatorParam$">Serialized Form</a></dd>
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+<code><a href="../../../org/apache/spark/AccumulatorParam.DoubleAccumulatorParam$.html" title="class in org.apache.spark">AccumulatorParam.DoubleAccumulatorParam$</a>, <a href="../../../org/apache/spark/AccumulatorParam.FloatAccumulatorParam$.html" title="class in org.apache.spark">AccumulatorParam.FloatAccumulatorParam$</a>, <a href="../../../org/apache/spark/AccumulatorParam.IntAccumulatorParam$.html" title="class in org.apache.spark">AccumulatorParam.IntAccumulatorParam$</a>, <a href="../../../org/apache/spark/AccumulatorParam.LongAccumulatorParam$.html" title="class in org.apache.spark">AccumulatorParam.LongAccumulatorParam$</a>, <a href="../../../org/apache/spark/AccumulatorParam.StringAccumulatorParam$.html" title="class in org.apache.spark">AccumulatorParam.StringAccumulatorParam$</a></code></li>
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+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Field and Description</th>
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+<tr class="altColor">
+<td class="colFirst"><code>static <a href="../../../org/apache/spark/AccumulatorParam.IntAccumulatorParam$.html" title="class in org.apache.spark">AccumulatorParam.IntAccumulatorParam$</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/spark/AccumulatorParam.IntAccumulatorParam$.html#MODULE:D">MODULE$</a></span></code>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
+<div class="block">Static reference to the singleton instance of this Scala object.</div>
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+<th class="colOne" scope="col">Constructor and Description</th>
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+<td class="colOne"><code><span class="memberNameLink"><a href="../../../org/apache/spark/AccumulatorParam.IntAccumulatorParam$.html#IntAccumulatorParam:D--">IntAccumulatorParam$</a></span>()</code>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
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+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Method and Description</th>
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+<tr id="i0" class="altColor">
+<td class="colFirst"><code>int</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/spark/AccumulatorParam.IntAccumulatorParam$.html#addInPlace-int-int-">addInPlace</a></span>(int&nbsp;t1,
+          int&nbsp;t2)</code>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
+&nbsp;</td>
+</tr>
+<tr id="i1" class="rowColor">
+<td class="colFirst"><code>int</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/spark/AccumulatorParam.IntAccumulatorParam$.html#zero-int-">zero</a></span>(int&nbsp;initialValue)</code>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
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+</tr>
+</table>
+<ul class="blockList">
+<li class="blockList"><a name="methods.inherited.from.class.Object">
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+</ul>
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+<li class="blockList"><a name="methods.inherited.from.class.org.apache.spark.AccumulatorParam">
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+<code><a href="../../../org/apache/spark/AccumulatorParam.html#addAccumulator-T-T-">addAccumulator</a></code></li>
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+<code><a href="../../../org/apache/spark/AccumulableParam.html#addInPlace-R-R-">addInPlace</a>, <a href="../../../org/apache/spark/AccumulableParam.html#zero-R-">zero</a></code></li>
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+<li class="blockList">
+<h4>MODULE$</h4>
+<pre>public static final&nbsp;<a href="../../../org/apache/spark/AccumulatorParam.IntAccumulatorParam$.html" title="class in org.apache.spark">AccumulatorParam.IntAccumulatorParam$</a> MODULE$</pre>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
+<div class="block">Static reference to the singleton instance of this Scala object.</div>
+</li>
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+</li>
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+<!-- ========= CONSTRUCTOR DETAIL ======== -->
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+<h4>IntAccumulatorParam$</h4>
+<pre>public&nbsp;IntAccumulatorParam$()</pre>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
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+</ul>
+</li>
+</ul>
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+<pre>public&nbsp;int&nbsp;addInPlace(int&nbsp;t1,
+                      int&nbsp;t2)</pre>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
+</li>
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+<!--   -->
+</a>
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+<li class="blockList">
+<h4>zero</h4>
+<pre>public&nbsp;int&nbsp;zero(int&nbsp;initialValue)</pre>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
+</li>
+</ul>
+</li>
+</ul>
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diff --git a/site/docs/2.3.0/api/java/org/apache/spark/AccumulatorParam.LongAccumulatorParam$.html b/site/docs/2.3.0/api/java/org/apache/spark/AccumulatorParam.LongAccumulatorParam$.html
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+</dl>
+<hr>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
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+</div>
+<br>
+<pre>public static class <span class="typeNameLabel">AccumulatorParam.LongAccumulatorParam$</span>
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+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Field and Description</th>
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+<td class="colFirst"><code>static <a href="../../../org/apache/spark/AccumulatorParam.LongAccumulatorParam$.html" title="class in org.apache.spark">AccumulatorParam.LongAccumulatorParam$</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/spark/AccumulatorParam.LongAccumulatorParam$.html#MODULE:D">MODULE$</a></span></code>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
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+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
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+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Method and Description</th>
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+<tr id="i0" class="altColor">
+<td class="colFirst"><code>long</code></td>
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+          long&nbsp;t2)</code>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
+&nbsp;</td>
+</tr>
+<tr id="i1" class="rowColor">
+<td class="colFirst"><code>long</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/spark/AccumulatorParam.LongAccumulatorParam$.html#zero-long-">zero</a></span>(long&nbsp;initialValue)</code>
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+<li class="blockList"><a name="methods.inherited.from.class.Object">
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+<code><a href="../../../org/apache/spark/AccumulableParam.html#addInPlace-R-R-">addInPlace</a>, <a href="../../../org/apache/spark/AccumulableParam.html#zero-R-">zero</a></code></li>
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+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
+<div class="block">Static reference to the singleton instance of this Scala object.</div>
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+</ul>
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+<pre>public&nbsp;LongAccumulatorParam$()</pre>
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+<h4>zero</h4>
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+<h2 title="Class AccumulatorParam.StringAccumulatorParam$" class="title">Class AccumulatorParam.StringAccumulatorParam$</h2>
+</div>
+<div class="contentContainer">
+<ul class="inheritance">
+<li>Object</li>
+<li>
+<ul class="inheritance">
+<li>org.apache.spark.AccumulatorParam.StringAccumulatorParam$</li>
+</ul>
+</li>
+</ul>
+<div class="description">
+<ul class="blockList">
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+<dt>All Implemented Interfaces:</dt>
+<dd>java.io.Serializable, <a href="../../../org/apache/spark/AccumulableParam.html" title="interface in org.apache.spark">AccumulableParam</a>&lt;String,String&gt;, <a href="../../../org/apache/spark/AccumulatorParam.html" title="interface in org.apache.spark">AccumulatorParam</a>&lt;String&gt;</dd>
+</dl>
+<dl>
+<dt>Enclosing interface:</dt>
+<dd><a href="../../../org/apache/spark/AccumulatorParam.html" title="interface in org.apache.spark">AccumulatorParam</a>&lt;<a href="../../../org/apache/spark/AccumulatorParam.html" title="type parameter in AccumulatorParam">T</a>&gt;</dd>
+</dl>
+<hr>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
+<div class="block"><span class="deprecationComment">use AccumulatorV2. Since 2.0.0.</span></div>
+</div>
+<br>
+<pre>public static class <span class="typeNameLabel">AccumulatorParam.StringAccumulatorParam$</span>
+extends Object
+implements <a href="../../../org/apache/spark/AccumulatorParam.html" title="interface in org.apache.spark">AccumulatorParam</a>&lt;String&gt;</pre>
+<dl>
+<dt><span class="seeLabel">See Also:</span></dt>
+<dd><a href="../../../serialized-form.html#org.apache.spark.AccumulatorParam.StringAccumulatorParam$">Serialized Form</a></dd>
+</dl>
+</li>
+</ul>
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+<h3>Nested classes/interfaces inherited from interface&nbsp;org.apache.spark.<a href="../../../org/apache/spark/AccumulatorParam.html" title="interface in org.apache.spark">AccumulatorParam</a></h3>
+<code><a href="../../../org/apache/spark/AccumulatorParam.DoubleAccumulatorParam$.html" title="class in org.apache.spark">AccumulatorParam.DoubleAccumulatorParam$</a>, <a href="../../../org/apache/spark/AccumulatorParam.FloatAccumulatorParam$.html" title="class in org.apache.spark">AccumulatorParam.FloatAccumulatorParam$</a>, <a href="../../../org/apache/spark/AccumulatorParam.IntAccumulatorParam$.html" title="class in org.apache.spark">AccumulatorParam.IntAccumulatorParam$</a>, <a href="../../../org/apache/spark/AccumulatorParam.LongAccumulatorParam$.html" title="class in org.apache.spark">AccumulatorParam.LongAccumulatorParam$</a>, <a href="../../../org/apache/spark/AccumulatorParam.StringAccumulatorParam$.html" title="class in org.apache.spark">AccumulatorParam.StringAccumulatorParam$</a></code></li>
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+<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Field and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>static <a href="../../../org/apache/spark/AccumulatorParam.StringAccumulatorParam$.html" title="class in org.apache.spark">AccumulatorParam.StringAccumulatorParam$</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/spark/AccumulatorParam.StringAccumulatorParam$.html#MODULE:D">MODULE$</a></span></code>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
+<div class="block">Static reference to the singleton instance of this Scala object.</div>
+</td>
+</tr>
+</table>
+</li>
+</ul>
+<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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+<th class="colOne" scope="col">Constructor and Description</th>
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+<tr class="altColor">
+<td class="colOne"><code><span class="memberNameLink"><a href="../../../org/apache/spark/AccumulatorParam.StringAccumulatorParam$.html#StringAccumulatorParam:D--">StringAccumulatorParam$</a></span>()</code>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
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+</table>
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+<h3>Method Summary</h3>
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+<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t6" class="tableTab"><span><a href="javascript:show(32);">Deprecated Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Method and Description</th>
+</tr>
+<tr id="i0" class="altColor">
+<td class="colFirst"><code>String</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/spark/AccumulatorParam.StringAccumulatorParam$.html#addInPlace-java.lang.String-java.lang.String-">addInPlace</a></span>(String&nbsp;t1,
+          String&nbsp;t2)</code>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
+<div class="block">Merge two accumulated values together.</div>
+</td>
+</tr>
+<tr id="i1" class="rowColor">
+<td class="colFirst"><code>String</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/spark/AccumulatorParam.StringAccumulatorParam$.html#zero-java.lang.String-">zero</a></span>(String&nbsp;initialValue)</code>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
+<div class="block">Return the "zero" (identity) value for an accumulator type, given its initial value.</div>
+</td>
+</tr>
+</table>
+<ul class="blockList">
+<li class="blockList"><a name="methods.inherited.from.class.Object">
+<!--   -->
+</a>
+<h3>Methods inherited from class&nbsp;Object</h3>
+<code>equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
+</ul>
+<ul class="blockList">
+<li class="blockList"><a name="methods.inherited.from.class.org.apache.spark.AccumulatorParam">
+<!--   -->
+</a>
+<h3>Methods inherited from interface&nbsp;org.apache.spark.<a href="../../../org/apache/spark/AccumulatorParam.html" title="interface in org.apache.spark">AccumulatorParam</a></h3>
+<code><a href="../../../org/apache/spark/AccumulatorParam.html#addAccumulator-T-T-">addAccumulator</a></code></li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+<div class="details">
+<ul class="blockList">
+<li class="blockList">
+<!-- ============ FIELD DETAIL =========== -->
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+<h3>Field Detail</h3>
+<a name="MODULE:D">
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+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>MODULE$</h4>
+<pre>public static final&nbsp;<a href="../../../org/apache/spark/AccumulatorParam.StringAccumulatorParam$.html" title="class in org.apache.spark">AccumulatorParam.StringAccumulatorParam$</a> MODULE$</pre>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
+<div class="block">Static reference to the singleton instance of this Scala object.</div>
+</li>
+</ul>
+</li>
+</ul>
+<!-- ========= CONSTRUCTOR DETAIL ======== -->
+<ul class="blockList">
+<li class="blockList"><a name="constructor.detail">
+<!--   -->
+</a>
+<h3>Constructor Detail</h3>
+<a name="StringAccumulatorParam:D--">
+<!--   -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>StringAccumulatorParam$</h4>
+<pre>public&nbsp;StringAccumulatorParam$()</pre>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
+</li>
+</ul>
+</li>
+</ul>
+<!-- ============ METHOD DETAIL ========== -->
+<ul class="blockList">
+<li class="blockList"><a name="method.detail">
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+<h3>Method Detail</h3>
+<a name="addInPlace-java.lang.String-java.lang.String-">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>addInPlace</h4>
+<pre>public&nbsp;String&nbsp;addInPlace(String&nbsp;t1,
+                         String&nbsp;t2)</pre>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
+<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../org/apache/spark/AccumulableParam.html#addInPlace-R-R-">AccumulableParam</a></code></span></div>
+<div class="block">Merge two accumulated values together. Is allowed to modify and return the first value
+ for efficiency (to avoid allocating objects).
+ <p></div>
+<dl>
+<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
+<dd><code><a href="../../../org/apache/spark/AccumulableParam.html#addInPlace-R-R-">addInPlace</a></code>&nbsp;in interface&nbsp;<code><a href="../../../org/apache/spark/AccumulableParam.html" title="interface in org.apache.spark">AccumulableParam</a>&lt;String,String&gt;</code></dd>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>t1</code> - one set of accumulated data</dd>
+<dd><code>t2</code> - another set of accumulated data</dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>both data sets merged together</dd>
+</dl>
+</li>
+</ul>
+<a name="zero-java.lang.String-">
+<!--   -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>zero</h4>
+<pre>public&nbsp;String&nbsp;zero(String&nbsp;initialValue)</pre>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
+<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../org/apache/spark/AccumulableParam.html#zero-R-">AccumulableParam</a></code></span></div>
+<div class="block">Return the "zero" (identity) value for an accumulator type, given its initial value. For
+ example, if R was a vector of N dimensions, this would return a vector of N zeroes.</div>
+<dl>
+<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
+<dd><code><a href="../../../org/apache/spark/AccumulableParam.html#zero-R-">zero</a></code>&nbsp;in interface&nbsp;<code><a href="../../../org/apache/spark/AccumulableParam.html" title="interface in org.apache.spark">AccumulableParam</a>&lt;String,String&gt;</code></dd>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>initialValue</code> - (undocumented)</dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>(undocumented)</dd>
+</dl>
+</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+</div>
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http://git-wip-us.apache.org/repos/asf/spark-website/blob/26c57a24/site/docs/2.3.0/api/java/org/apache/spark/AccumulatorParam.html
----------------------------------------------------------------------
diff --git a/site/docs/2.3.0/api/java/org/apache/spark/AccumulatorParam.html b/site/docs/2.3.0/api/java/org/apache/spark/AccumulatorParam.html
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+<div class="subTitle">org.apache.spark</div>
+<h2 title="Interface AccumulatorParam" class="title">Interface AccumulatorParam&lt;T&gt;</h2>
+</div>
+<div class="contentContainer">
+<div class="description">
+<ul class="blockList">
+<li class="blockList">
+<dl>
+<dt>All Superinterfaces:</dt>
+<dd><a href="../../../org/apache/spark/AccumulableParam.html" title="interface in org.apache.spark">AccumulableParam</a>&lt;T,T&gt;, java.io.Serializable</dd>
+</dl>
+<dl>
+<dt>All Known Implementing Classes:</dt>
+<dd><a href="../../../org/apache/spark/AccumulatorParam.DoubleAccumulatorParam$.html" title="class in org.apache.spark">AccumulatorParam.DoubleAccumulatorParam$</a>, <a href="../../../org/apache/spark/AccumulatorParam.FloatAccumulatorParam$.html" title="class in org.apache.spark">AccumulatorParam.FloatAccumulatorParam$</a>, <a href="../../../org/apache/spark/AccumulatorParam.IntAccumulatorParam$.html" title="class in org.apache.spark">AccumulatorParam.IntAccumulatorParam$</a>, <a href="../../../org/apache/spark/AccumulatorParam.LongAccumulatorParam$.html" title="class in org.apache.spark">AccumulatorParam.LongAccumulatorParam$</a>, <a href="../../../org/apache/spark/AccumulatorParam.StringAccumulatorParam$.html" title="class in org.apache.spark">AccumulatorParam.StringAccumulatorParam$</a></dd>
+</dl>
+<hr>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
+<div class="block"><span class="deprecationComment">use AccumulatorV2. Since 2.0.0.</span></div>
+</div>
+<br>
+<pre>public interface <span class="typeNameLabel">AccumulatorParam&lt;T&gt;</span>
+extends <a href="../../../org/apache/spark/AccumulableParam.html" title="interface in org.apache.spark">AccumulableParam</a>&lt;T,T&gt;</pre>
+<div class="block">A simpler version of <a href="../../../org/apache/spark/AccumulableParam.html" title="interface in org.apache.spark"><code>AccumulableParam</code></a> where the only data type you can add
+ in is the same type as the accumulated value. An implicit AccumulatorParam object needs to be
+ available when you create Accumulators of a specific type.
+ <p></div>
+</li>
+</ul>
+</div>
+<div class="summary">
+<ul class="blockList">
+<li class="blockList">
+<!-- ======== NESTED CLASS SUMMARY ======== -->
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+<!--   -->
+</a>
+<h3>Nested Class Summary</h3>
+<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Nested Class Summary table, listing nested classes, and an explanation">
+<caption><span>Nested Classes</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Interface and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>static class&nbsp;</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/spark/AccumulatorParam.DoubleAccumulatorParam$.html" title="class in org.apache.spark">AccumulatorParam.DoubleAccumulatorParam$</a></span></code>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
+<div class="block"><span class="deprecationComment">use AccumulatorV2. Since 2.0.0.</span></div>
+</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>static class&nbsp;</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/spark/AccumulatorParam.FloatAccumulatorParam$.html" title="class in org.apache.spark">AccumulatorParam.FloatAccumulatorParam$</a></span></code>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
+<div class="block"><span class="deprecationComment">use AccumulatorV2. Since 2.0.0.</span></div>
+</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>static class&nbsp;</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/spark/AccumulatorParam.IntAccumulatorParam$.html" title="class in org.apache.spark">AccumulatorParam.IntAccumulatorParam$</a></span></code>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
+<div class="block"><span class="deprecationComment">use AccumulatorV2. Since 2.0.0.</span></div>
+</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>static class&nbsp;</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/spark/AccumulatorParam.LongAccumulatorParam$.html" title="class in org.apache.spark">AccumulatorParam.LongAccumulatorParam$</a></span></code>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
+<div class="block"><span class="deprecationComment">use AccumulatorV2. Since 2.0.0.</span></div>
+</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>static class&nbsp;</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/spark/AccumulatorParam.StringAccumulatorParam$.html" title="class in org.apache.spark">AccumulatorParam.StringAccumulatorParam$</a></span></code>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
+<div class="block"><span class="deprecationComment">use AccumulatorV2. Since 2.0.0.</span></div>
+</div>
+</td>
+</tr>
+</table>
+</li>
+</ul>
+<!-- ========== METHOD SUMMARY =========== -->
+<ul class="blockList">
+<li class="blockList"><a name="method.summary">
+<!--   -->
+</a>
+<h3>Method Summary</h3>
+<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
+<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t6" class="tableTab"><span><a href="javascript:show(32);">Deprecated Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Method and Description</th>
+</tr>
+<tr id="i0" class="altColor">
+<td class="colFirst"><code><a href="../../../org/apache/spark/AccumulatorParam.html" title="type parameter in AccumulatorParam">T</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/spark/AccumulatorParam.html#addAccumulator-T-T-">addAccumulator</a></span>(<a href="../../../org/apache/spark/AccumulatorParam.html" title="type parameter in AccumulatorParam">T</a>&nbsp;t1,
+              <a href="../../../org/apache/spark/AccumulatorParam.html" title="type parameter in AccumulatorParam">T</a>&nbsp;t2)</code>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
+<div class="block">Add additional data to the accumulator value.</div>
+</td>
+</tr>
+</table>
+<ul class="blockList">
+<li class="blockList"><a name="methods.inherited.from.class.org.apache.spark.AccumulableParam">
+<!--   -->
+</a>
+<h3>Methods inherited from interface&nbsp;org.apache.spark.<a href="../../../org/apache/spark/AccumulableParam.html" title="interface in org.apache.spark">AccumulableParam</a></h3>
+<code><a href="../../../org/apache/spark/AccumulableParam.html#addInPlace-R-R-">addInPlace</a>, <a href="../../../org/apache/spark/AccumulableParam.html#zero-R-">zero</a></code></li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+<div class="details">
+<ul class="blockList">
+<li class="blockList">
+<!-- ============ METHOD DETAIL ========== -->
+<ul class="blockList">
+<li class="blockList"><a name="method.detail">
+<!--   -->
+</a>
+<h3>Method Detail</h3>
+<a name="addAccumulator-java.lang.Object-java.lang.Object-">
+<!--   -->
+</a><a name="addAccumulator-T-T-">
+<!--   -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>addAccumulator</h4>
+<pre><a href="../../../org/apache/spark/AccumulatorParam.html" title="type parameter in AccumulatorParam">T</a>&nbsp;addAccumulator(<a href="../../../org/apache/spark/AccumulatorParam.html" title="type parameter in AccumulatorParam">T</a>&nbsp;t1,
+                 <a href="../../../org/apache/spark/AccumulatorParam.html" title="type parameter in AccumulatorParam">T</a>&nbsp;t2)</pre>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
+<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../org/apache/spark/AccumulableParam.html#addAccumulator-R-T-">AccumulableParam</a></code></span></div>
+<div class="block">Add additional data to the accumulator value. Is allowed to modify and return <code>r</code>
+ for efficiency (to avoid allocating objects).
+ <p></div>
+<dl>
+<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
+<dd><code><a href="../../../org/apache/spark/AccumulableParam.html#addAccumulator-R-T-">addAccumulator</a></code>&nbsp;in interface&nbsp;<code><a href="../../../org/apache/spark/AccumulableParam.html" title="interface in org.apache.spark">AccumulableParam</a>&lt;<a href="../../../org/apache/spark/AccumulatorParam.html" title="type parameter in AccumulatorParam">T</a>,<a href="../../../org/apache/spark/AccumulatorParam.html" title="type parameter in AccumulatorParam">T</a>&gt;</code></dd>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>t1</code> - the current value of the accumulator</dd>
+<dd><code>t2</code> - the data to be added to the accumulator</dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>the new value of the accumulator</dd>
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