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<div class="subTitle">org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity</div>
<h2 title="Class UsersManager" class="title">Class UsersManager</h2>
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<li>org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.UsersManager</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractUsersManager.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.scheduler">AbstractUsersManager</a></dd>
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<pre>@InterfaceAudience.Private
public class <span class="typeNameLabel">UsersManager</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="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractUsersManager.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.scheduler">AbstractUsersManager</a></pre>
<div class="block"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UsersManager.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity"><code>UsersManager</code></a> tracks users in the system and its respective data
structures.</div>
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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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<tr class="altColor">
<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UsersManager.User.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity">UsersManager.User</a></span></code>
<div class="block">User class stores all user related resource usage, application details.</div>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UsersManager.html#UsersManager-org.apache.hadoop.yarn.server.resourcemanager.scheduler.QueueMetrics-org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue-org.apache.hadoop.yarn.server.resourcemanager.nodelabels.RMNodeLabelsManager-org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerContext-org.apache.hadoop.yarn.util.resource.ResourceCalculator-">UsersManager</a></span>(<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/QueueMetrics.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler">QueueMetrics</a>&nbsp;metrics,
<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/LeafQueue.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity">LeafQueue</a>&nbsp;lQueue,
<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/nodelabels/RMNodeLabelsManager.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.nodelabels">RMNodeLabelsManager</a>&nbsp;labelManager,
<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerContext.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity">CapacitySchedulerContext</a>&nbsp;scheduler,
org.apache.hadoop.yarn.util.resource.ResourceCalculator&nbsp;resourceCalculator)</code>
<div class="block">UsersManager Constructor.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UsersManager.html#activateApplication-java.lang.String-org.apache.hadoop.yarn.api.records.ApplicationId-">activateApplication</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;user,
org.apache.hadoop.yarn.api.records.ApplicationId&nbsp;applicationId)</code>
<div class="block">An application has new outstanding requests.</div>
</td>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UsersManager.html#deactivateApplication-java.lang.String-org.apache.hadoop.yarn.api.records.ApplicationId-">deactivateApplication</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;user,
org.apache.hadoop.yarn.api.records.ApplicationId&nbsp;applicationId)</code>
<div class="block">An application has no more outstanding requests.</div>
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<td class="colFirst"><code>org.apache.hadoop.yarn.api.records.Resource</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UsersManager.html#getComputedResourceLimitForActiveUsers-java.lang.String-org.apache.hadoop.yarn.api.records.Resource-java.lang.String-org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.SchedulingMode-">getComputedResourceLimitForActiveUsers</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;userName,
org.apache.hadoop.yarn.api.records.Resource&nbsp;clusterResource,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;nodePartition,
<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/SchedulingMode.html" title="enum in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity">SchedulingMode</a>&nbsp;schedulingMode)</code>
<div class="block">Get computed user-limit for all ACTIVE users in this queue.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>org.apache.hadoop.yarn.api.records.Resource</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UsersManager.html#getComputedResourceLimitForAllUsers-java.lang.String-org.apache.hadoop.yarn.api.records.Resource-java.lang.String-org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.SchedulingMode-">getComputedResourceLimitForAllUsers</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;userName,
org.apache.hadoop.yarn.api.records.Resource&nbsp;clusterResource,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;nodePartition,
<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/SchedulingMode.html" title="enum in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity">SchedulingMode</a>&nbsp;schedulingMode)</code>
<div class="block">Get computed user-limit for all users in this queue.</div>
</td>
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<tr id="i4" class="altColor">
<td class="colFirst"><code>protected long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UsersManager.html#getLatestVersionOfUsersState--">getLatestVersionOfUsersState</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UsersManager.html#getNumActiveUsers--">getNumActiveUsers</a></span>()</code>
<div class="block">Get number of active users i.e.</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/server/resourcemanager/scheduler/capacity/UsersManager.html#getNumActiveUsersWithOnlyPendingApps--">getNumActiveUsersWithOnlyPendingApps</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UsersManager.html#getUsageRatio-java.lang.String-">getUsageRatio</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;label)</code>&nbsp;</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UsersManager.User.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity">UsersManager.User</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UsersManager.html#getUser-java.lang.String-">getUser</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;userName)</code>
<div class="block">Get user object for given user name.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UsersManager.User.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity">UsersManager.User</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UsersManager.html#getUserAndAddIfAbsent-java.lang.String-">getUserAndAddIfAbsent</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;userName)</code>
<div class="block">Get and add user if absent.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UsersManager.html#getUserLimit--">getUserLimit</a></span>()</code>
<div class="block">Get configured user-limit.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UsersManager.html#getUserLimitFactor--">getUserLimitFactor</a></span>()</code>
<div class="block">Get configured user-limit factor.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UsersManager.User.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity">UsersManager.User</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UsersManager.html#getUsers--">getUsers</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</a>&lt;<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UserInfo.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity">UserInfo</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UsersManager.html#getUsersInfo--">getUsersInfo</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UsersManager.html#removeUser-java.lang.String-">removeUser</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;userName)</code>
<div class="block">Remove user.</div>
</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UsersManager.html#setUserLimit-int-">setUserLimit</a></span>(int&nbsp;userLimit)</code>
<div class="block">Set configured user-limit.</div>
</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UsersManager.html#setUserLimitFactor-float-">setUserLimitFactor</a></span>(float&nbsp;userLimitFactor)</code>
<div class="block">Set configured user-limit factor.</div>
</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UsersManager.html#updateUsageRatio-java.lang.String-org.apache.hadoop.yarn.api.records.Resource-">updateUsageRatio</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;partition,
org.apache.hadoop.yarn.api.records.Resource&nbsp;clusterResource)</code>
<div class="block">Update new usage ratio.</div>
</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UsersManager.User.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity">UsersManager.User</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UsersManager.html#updateUserResourceUsage-java.lang.String-org.apache.hadoop.yarn.api.records.Resource-java.lang.String-boolean-">updateUserResourceUsage</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;userName,
org.apache.hadoop.yarn.api.records.Resource&nbsp;resource,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;nodePartition,
boolean&nbsp;isAllocate)</code>
<div class="block">During container allocate/release, ensure that all user specific data
structures are updated.</div>
</td>
</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UsersManager.html#updateUserWeights--">updateUserWeights</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i20" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UsersManager.html#userLimitNeedsRecompute--">userLimitNeedsRecompute</a></span>()</code>
<div class="block">Force UsersManager to recompute userlimit.</div>
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<h3>Methods inherited from class&nbsp;java.lang.<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></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<a name="UsersManager-org.apache.hadoop.yarn.server.resourcemanager.scheduler.QueueMetrics-org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue-org.apache.hadoop.yarn.server.resourcemanager.nodelabels.RMNodeLabelsManager-org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerContext-org.apache.hadoop.yarn.util.resource.ResourceCalculator-">
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<h4>UsersManager</h4>
<pre>public&nbsp;UsersManager(<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/QueueMetrics.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler">QueueMetrics</a>&nbsp;metrics,
<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/LeafQueue.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity">LeafQueue</a>&nbsp;lQueue,
<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/nodelabels/RMNodeLabelsManager.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.nodelabels">RMNodeLabelsManager</a>&nbsp;labelManager,
<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerContext.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity">CapacitySchedulerContext</a>&nbsp;scheduler,
org.apache.hadoop.yarn.util.resource.ResourceCalculator&nbsp;resourceCalculator)</pre>
<div class="block">UsersManager Constructor.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>metrics</code> - Queue Metrics</dd>
<dd><code>lQueue</code> - Leaf Queue Object</dd>
<dd><code>labelManager</code> - Label Manager instance</dd>
<dd><code>scheduler</code> - Capacity Scheduler Context</dd>
<dd><code>resourceCalculator</code> - rc</dd>
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<pre>public&nbsp;int&nbsp;getUserLimit()</pre>
<div class="block">Get configured user-limit.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>user limit</dd>
</dl>
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<pre>public&nbsp;void&nbsp;setUserLimit(int&nbsp;userLimit)</pre>
<div class="block">Set configured user-limit.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>userLimit</code> - user limit</dd>
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<pre>public&nbsp;float&nbsp;getUserLimitFactor()</pre>
<div class="block">Get configured user-limit factor.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>user-limit factor</dd>
</dl>
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<pre>public&nbsp;void&nbsp;setUserLimitFactor(float&nbsp;userLimitFactor)</pre>
<div class="block">Set configured user-limit factor.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>userLimitFactor</code> - User Limit factor.</dd>
</dl>
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<h4>getUsageRatio</h4>
<pre>public&nbsp;float&nbsp;getUsageRatio(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;label)</pre>
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<pre>public&nbsp;void&nbsp;userLimitNeedsRecompute()</pre>
<div class="block">Force UsersManager to recompute userlimit.</div>
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<h4>getUsers</h4>
<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UsersManager.User.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity">UsersManager.User</a>&gt;&nbsp;getUsers()</pre>
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<h4>getUser</h4>
<pre>public&nbsp;<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UsersManager.User.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity">UsersManager.User</a>&nbsp;getUser(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;userName)</pre>
<div class="block">Get user object for given user name.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>userName</code> - User Name</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>User object</dd>
</dl>
</li>
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<pre>public&nbsp;void&nbsp;removeUser(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;userName)</pre>
<div class="block">Remove user.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>userName</code> - User Name</dd>
</dl>
</li>
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<h4>getUserAndAddIfAbsent</h4>
<pre>public&nbsp;<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UsersManager.User.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity">UsersManager.User</a>&nbsp;getUserAndAddIfAbsent(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;userName)</pre>
<div class="block">Get and add user if absent.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>userName</code> - User Name</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>User object</dd>
</dl>
</li>
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<h4>getUsersInfo</h4>
<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</a>&lt;<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UserInfo.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity">UserInfo</a>&gt;&nbsp;getUsersInfo()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>an ArrayList of UserInfo objects who are active in this queue</dd>
</dl>
</li>
</ul>
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<h4>getComputedResourceLimitForActiveUsers</h4>
<pre>public&nbsp;org.apache.hadoop.yarn.api.records.Resource&nbsp;getComputedResourceLimitForActiveUsers(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;userName,
org.apache.hadoop.yarn.api.records.Resource&nbsp;clusterResource,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;nodePartition,
<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/SchedulingMode.html" title="enum in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity">SchedulingMode</a>&nbsp;schedulingMode)</pre>
<div class="block">Get computed user-limit for all ACTIVE users in this queue. If cached data
is invalidated due to resource change, this method also enforce to
recompute user-limit.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>userName</code> - Name of user who has submitted one/more app to given queue.</dd>
<dd><code>clusterResource</code> - total cluster resource</dd>
<dd><code>nodePartition</code> - partition name</dd>
<dd><code>schedulingMode</code> - scheduling mode
RESPECT_PARTITION_EXCLUSIVITY/IGNORE_PARTITION_EXCLUSIVITY</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Computed User Limit</dd>
</dl>
</li>
</ul>
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<pre>public&nbsp;org.apache.hadoop.yarn.api.records.Resource&nbsp;getComputedResourceLimitForAllUsers(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;userName,
org.apache.hadoop.yarn.api.records.Resource&nbsp;clusterResource,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;nodePartition,
<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/SchedulingMode.html" title="enum in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity">SchedulingMode</a>&nbsp;schedulingMode)</pre>
<div class="block">Get computed user-limit for all users in this queue. If cached data is
invalidated due to resource change, this method also enforce to recompute
user-limit.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>userName</code> - Name of user who has submitted one/more app to given queue.</dd>
<dd><code>clusterResource</code> - total cluster resource</dd>
<dd><code>nodePartition</code> - partition name</dd>
<dd><code>schedulingMode</code> - scheduling mode
RESPECT_PARTITION_EXCLUSIVITY/IGNORE_PARTITION_EXCLUSIVITY</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Computed User Limit</dd>
</dl>
</li>
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<pre>protected&nbsp;long&nbsp;getLatestVersionOfUsersState()</pre>
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<h4>updateUsageRatio</h4>
<pre>public&nbsp;void&nbsp;updateUsageRatio(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;partition,
org.apache.hadoop.yarn.api.records.Resource&nbsp;clusterResource)</pre>
<div class="block">Update new usage ratio.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>partition</code> - Node partition</dd>
<dd><code>clusterResource</code> - Cluster Resource</dd>
</dl>
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<h4>activateApplication</h4>
<pre>public&nbsp;void&nbsp;activateApplication(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;user,
org.apache.hadoop.yarn.api.records.ApplicationId&nbsp;applicationId)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractUsersManager.html#activateApplication-java.lang.String-org.apache.hadoop.yarn.api.records.ApplicationId-">AbstractUsersManager</a></code></span></div>
<div class="block">An application has new outstanding requests.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractUsersManager.html#activateApplication-java.lang.String-org.apache.hadoop.yarn.api.records.ApplicationId-">activateApplication</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractUsersManager.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.scheduler">AbstractUsersManager</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>user</code> - application user</dd>
<dd><code>applicationId</code> - activated application</dd>
</dl>
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<pre>public&nbsp;void&nbsp;deactivateApplication(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;user,
org.apache.hadoop.yarn.api.records.ApplicationId&nbsp;applicationId)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractUsersManager.html#deactivateApplication-java.lang.String-org.apache.hadoop.yarn.api.records.ApplicationId-">AbstractUsersManager</a></code></span></div>
<div class="block">An application has no more outstanding requests.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractUsersManager.html#deactivateApplication-java.lang.String-org.apache.hadoop.yarn.api.records.ApplicationId-">deactivateApplication</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractUsersManager.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.scheduler">AbstractUsersManager</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>user</code> - application user</dd>
<dd><code>applicationId</code> - deactivated application</dd>
</dl>
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<pre>public&nbsp;int&nbsp;getNumActiveUsers()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractUsersManager.html#getNumActiveUsers--">AbstractUsersManager</a></code></span></div>
<div class="block">Get number of active users i.e. users with applications which have pending
resource requests.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractUsersManager.html#getNumActiveUsers--">getNumActiveUsers</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractUsersManager.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.scheduler">AbstractUsersManager</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>number of active users</dd>
</dl>
</li>
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<pre>public&nbsp;<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UsersManager.User.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity">UsersManager.User</a>&nbsp;updateUserResourceUsage(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;userName,
org.apache.hadoop.yarn.api.records.Resource&nbsp;resource,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;nodePartition,
boolean&nbsp;isAllocate)</pre>
<div class="block">During container allocate/release, ensure that all user specific data
structures are updated.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>userName</code> - Name of the user</dd>
<dd><code>resource</code> - Resource to increment/decrement</dd>
<dd><code>nodePartition</code> - Node label</dd>
<dd><code>isAllocate</code> - Indicate whether to allocate or release resource</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>user</dd>
</dl>
</li>
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<pre>public&nbsp;void&nbsp;updateUserWeights()</pre>
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<pre>public&nbsp;int&nbsp;getNumActiveUsersWithOnlyPendingApps()</pre>
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