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<div class="subTitle">org.apache.hadoop.yarn.api.records</div>
<h2 title="Class ReservationRequest" class="title">Class ReservationRequest</h2>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang">Comparable</a>&lt;<a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequest.html" title="class in org.apache.hadoop.yarn.api.records">ReservationRequest</a>&gt;</dd>
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<pre>@InterfaceAudience.Public
@InterfaceStability.Unstable
public abstract class <span class="typeNameLabel">ReservationRequest</span>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
implements <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang">Comparable</a>&lt;<a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequest.html" title="class in org.apache.hadoop.yarn.api.records">ReservationRequest</a>&gt;</pre>
<div class="block"><a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequest.html" title="class in org.apache.hadoop.yarn.api.records"><code>ReservationRequest</code></a> represents the request made by an application to
the <code>ResourceManager</code> to reserve <a href="../../../../../../org/apache/hadoop/yarn/api/records/Resource.html" title="class in org.apache.hadoop.yarn.api.records"><code>Resource</code></a>s.
<p>
It includes:
<ul>
<li><a href="../../../../../../org/apache/hadoop/yarn/api/records/Resource.html" title="class in org.apache.hadoop.yarn.api.records"><code>Resource</code></a> required for each request.</li>
<li>
Number of containers, of above specifications, which are required by the
application.
</li>
<li>Concurrency that indicates the gang size of the request.</li>
</ul></div>
</li>
</ul>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Class and Description</th>
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<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequest.ReservationRequestComparator.html" title="class in org.apache.hadoop.yarn.api.records">ReservationRequest.ReservationRequestComparator</a></span></code>&nbsp;</td>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequest.html#ReservationRequest--">ReservationRequest</a></span>()</code>&nbsp;</td>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequest.html#compareTo-org.apache.hadoop.yarn.api.records.ReservationRequest-">compareTo</a></span>(<a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequest.html" title="class in org.apache.hadoop.yarn.api.records">ReservationRequest</a>&nbsp;other)</code>&nbsp;</td>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequest.html#equals-java.lang.Object-">equals</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;obj)</code>&nbsp;</td>
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<tr id="i2" class="altColor">
<td class="colFirst"><code>abstract <a href="../../../../../../org/apache/hadoop/yarn/api/records/Resource.html" title="class in org.apache.hadoop.yarn.api.records">Resource</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequest.html#getCapability--">getCapability</a></span>()</code>
<div class="block">Get the <a href="../../../../../../org/apache/hadoop/yarn/api/records/Resource.html" title="class in org.apache.hadoop.yarn.api.records"><code>Resource</code></a> capability of the request.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>abstract int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequest.html#getConcurrency--">getConcurrency</a></span>()</code>
<div class="block">Get the number of containers that need to be scheduled concurrently.</div>
</td>
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<tr id="i4" class="altColor">
<td class="colFirst"><code>abstract long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequest.html#getDuration--">getDuration</a></span>()</code>
<div class="block">Get the duration in milliseconds for which the resource is required.</div>
</td>
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<tr id="i5" class="rowColor">
<td class="colFirst"><code>abstract int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequest.html#getNumContainers--">getNumContainers</a></span>()</code>
<div class="block">Get the number of containers required with the given specifications.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequest.html#hashCode--">hashCode</a></span>()</code>&nbsp;</td>
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<tr id="i7" class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequest.html" title="class in org.apache.hadoop.yarn.api.records">ReservationRequest</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequest.html#newInstance-org.apache.hadoop.yarn.api.records.Resource-int-">newInstance</a></span>(<a href="../../../../../../org/apache/hadoop/yarn/api/records/Resource.html" title="class in org.apache.hadoop.yarn.api.records">Resource</a>&nbsp;capability,
int&nbsp;numContainers)</code>&nbsp;</td>
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<tr id="i8" class="altColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequest.html" title="class in org.apache.hadoop.yarn.api.records">ReservationRequest</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequest.html#newInstance-org.apache.hadoop.yarn.api.records.Resource-int-int-long-">newInstance</a></span>(<a href="../../../../../../org/apache/hadoop/yarn/api/records/Resource.html" title="class in org.apache.hadoop.yarn.api.records">Resource</a>&nbsp;capability,
int&nbsp;numContainers,
int&nbsp;concurrency,
long&nbsp;duration)</code>&nbsp;</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>abstract void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequest.html#setCapability-org.apache.hadoop.yarn.api.records.Resource-">setCapability</a></span>(<a href="../../../../../../org/apache/hadoop/yarn/api/records/Resource.html" title="class in org.apache.hadoop.yarn.api.records">Resource</a>&nbsp;capability)</code>
<div class="block">Set the <a href="../../../../../../org/apache/hadoop/yarn/api/records/Resource.html" title="class in org.apache.hadoop.yarn.api.records"><code>Resource</code></a> capability of the request</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>abstract void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequest.html#setConcurrency-int-">setConcurrency</a></span>(int&nbsp;numContainers)</code>
<div class="block">Set the number of containers that need to be scheduled concurrently.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>abstract void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequest.html#setDuration-long-">setDuration</a></span>(long&nbsp;duration)</code>
<div class="block">Set the duration in milliseconds for which the resource is required.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>abstract void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequest.html#setNumContainers-int-">setNumContainers</a></span>(int&nbsp;numContainers)</code>
<div class="block">Set the number of containers required with the given specifications</div>
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<pre>public&nbsp;ReservationRequest()</pre>
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<pre>@InterfaceAudience.Public
@InterfaceStability.Unstable
public static&nbsp;<a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequest.html" title="class in org.apache.hadoop.yarn.api.records">ReservationRequest</a>&nbsp;newInstance(<a href="../../../../../../org/apache/hadoop/yarn/api/records/Resource.html" title="class in org.apache.hadoop.yarn.api.records">Resource</a>&nbsp;capability,
int&nbsp;numContainers)</pre>
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<pre>@InterfaceAudience.Public
@InterfaceStability.Unstable
public static&nbsp;<a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequest.html" title="class in org.apache.hadoop.yarn.api.records">ReservationRequest</a>&nbsp;newInstance(<a href="../../../../../../org/apache/hadoop/yarn/api/records/Resource.html" title="class in org.apache.hadoop.yarn.api.records">Resource</a>&nbsp;capability,
int&nbsp;numContainers,
int&nbsp;concurrency,
long&nbsp;duration)</pre>
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<h4>getCapability</h4>
<pre>@InterfaceAudience.Public
@InterfaceStability.Unstable
public abstract&nbsp;<a href="../../../../../../org/apache/hadoop/yarn/api/records/Resource.html" title="class in org.apache.hadoop.yarn.api.records">Resource</a>&nbsp;getCapability()</pre>
<div class="block">Get the <a href="../../../../../../org/apache/hadoop/yarn/api/records/Resource.html" title="class in org.apache.hadoop.yarn.api.records"><code>Resource</code></a> capability of the request.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><a href="../../../../../../org/apache/hadoop/yarn/api/records/Resource.html" title="class in org.apache.hadoop.yarn.api.records"><code>Resource</code></a> capability of the request</dd>
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<h4>setCapability</h4>
<pre>@InterfaceAudience.Public
@InterfaceStability.Unstable
public abstract&nbsp;void&nbsp;setCapability(<a href="../../../../../../org/apache/hadoop/yarn/api/records/Resource.html" title="class in org.apache.hadoop.yarn.api.records">Resource</a>&nbsp;capability)</pre>
<div class="block">Set the <a href="../../../../../../org/apache/hadoop/yarn/api/records/Resource.html" title="class in org.apache.hadoop.yarn.api.records"><code>Resource</code></a> capability of the request</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>capability</code> - <a href="../../../../../../org/apache/hadoop/yarn/api/records/Resource.html" title="class in org.apache.hadoop.yarn.api.records"><code>Resource</code></a> capability of the request</dd>
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<h4>getNumContainers</h4>
<pre>@InterfaceAudience.Public
@InterfaceStability.Unstable
public abstract&nbsp;int&nbsp;getNumContainers()</pre>
<div class="block">Get the number of containers required with the given specifications.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>number of containers required with the given specifications</dd>
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<h4>setNumContainers</h4>
<pre>@InterfaceAudience.Public
@InterfaceStability.Unstable
public abstract&nbsp;void&nbsp;setNumContainers(int&nbsp;numContainers)</pre>
<div class="block">Set the number of containers required with the given specifications</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>numContainers</code> - number of containers required with the given
specifications</dd>
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<h4>getConcurrency</h4>
<pre>@InterfaceAudience.Public
@InterfaceStability.Unstable
public abstract&nbsp;int&nbsp;getConcurrency()</pre>
<div class="block">Get the number of containers that need to be scheduled concurrently. The
default value of 1 would fall back to the current non concurrency
constraints on the scheduling behavior.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the number of containers to be concurrently scheduled</dd>
</dl>
</li>
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<h4>setConcurrency</h4>
<pre>@InterfaceAudience.Public
@InterfaceStability.Unstable
public abstract&nbsp;void&nbsp;setConcurrency(int&nbsp;numContainers)</pre>
<div class="block">Set the number of containers that need to be scheduled concurrently. The
default value of 1 would fall back to the current non concurrency
constraints on the scheduling behavior.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>numContainers</code> - the number of containers to be concurrently scheduled</dd>
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<pre>@InterfaceAudience.Public
@InterfaceStability.Unstable
public abstract&nbsp;long&nbsp;getDuration()</pre>
<div class="block">Get the duration in milliseconds for which the resource is required. A
default value of -1, indicates an unspecified lease duration, and fallback
to current behavior.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the duration in milliseconds for which the resource is required</dd>
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</li>
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<h4>setDuration</h4>
<pre>@InterfaceAudience.Public
@InterfaceStability.Unstable
public abstract&nbsp;void&nbsp;setDuration(long&nbsp;duration)</pre>
<div class="block">Set the duration in milliseconds for which the resource is required.</div>
<dl>
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