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apache / hadoop-site / 952d547359cafef280f0a0324055741b2ed55be1 / . / content / docs / r3.3.1 / hadoop-yarn / hadoop-yarn-server / hadoop-yarn-server-resourcemanager / apidocs / org / apache / hadoop / yarn / server / resourcemanager / scheduler / ClusterNodeTracker.html
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<div class="subTitle">org.apache.hadoop.yarn.server.resourcemanager.scheduler</div>
<h2 title="Class ClusterNodeTracker" class="title">Class ClusterNodeTracker&lt;N extends <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerNode.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler">SchedulerNode</a>&gt;</h2>
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<li>org.apache.hadoop.yarn.server.resourcemanager.scheduler.ClusterNodeTracker&lt;N&gt;</li>
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<pre>@InterfaceAudience.Private
public class <span class="typeNameLabel">ClusterNodeTracker&lt;N extends <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerNode.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler">SchedulerNode</a>&gt;</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></pre>
<div class="block">Helper library that:
- tracks the state of all cluster <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerNode.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler"><code>SchedulerNode</code></a>s
- provides convenience methods to filter and sort nodes</div>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ClusterNodeTracker.html#ClusterNodeTracker--">ClusterNodeTracker</a></span>()</code>&nbsp;</td>
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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></caption>
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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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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ClusterNodeTracker.html#addNode-N-">addNode</a></span>(<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ClusterNodeTracker.html" title="type parameter in ClusterNodeTracker">N</a>&nbsp;node)</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/server/resourcemanager/scheduler/ClusterNodeTracker.html#exists-org.apache.hadoop.yarn.api.records.NodeId-">exists</a></span>(org.apache.hadoop.yarn.api.records.NodeId&nbsp;nodeId)</code>&nbsp;</td>
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<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;org.apache.hadoop.yarn.api.records.NodeId&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ClusterNodeTracker.html#getAllNodeIds--">getAllNodeIds</a></span>()</code>&nbsp;</td>
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<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ClusterNodeTracker.html" title="type parameter in ClusterNodeTracker">N</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ClusterNodeTracker.html#getAllNodes--">getAllNodes</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<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/ClusterNodeTracker.html#getClusterCapacity--">getClusterCapacity</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i5" 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/ClusterNodeTracker.html#getMaxAllowedAllocation--">getMaxAllowedAllocation</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ClusterNodeTracker.html" title="type parameter in ClusterNodeTracker">N</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ClusterNodeTracker.html#getNode-org.apache.hadoop.yarn.api.records.NodeId-">getNode</a></span>(org.apache.hadoop.yarn.api.records.NodeId&nbsp;nodeId)</code>&nbsp;</td>
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<tr id="i7" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;org.apache.hadoop.yarn.api.records.NodeId&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ClusterNodeTracker.html#getNodeIds-org.apache.hadoop.yarn.server.resourcemanager.scheduler.NodeFilter-">getNodeIds</a></span>(<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/NodeFilter.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.scheduler">NodeFilter</a>&nbsp;nodeFilter)</code>
<div class="block">Convenience method to filter nodes based on a condition.</div>
</td>
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<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;org.apache.hadoop.yarn.api.records.NodeId&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ClusterNodeTracker.html#getNodeIdsByResourceName-java.lang.String-">getNodeIdsByResourceName</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;resourceName)</code>
<div class="block">Convenience method to return list of <code>NodeId</code> corresponding to
resourceName passed in the <code>ResourceRequest</code>.</div>
</td>
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<tr id="i9" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerNodeReport.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler">SchedulerNodeReport</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ClusterNodeTracker.html#getNodeReport-org.apache.hadoop.yarn.api.records.NodeId-">getNodeReport</a></span>(org.apache.hadoop.yarn.api.records.NodeId&nbsp;nodeId)</code>&nbsp;</td>
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<tr id="i10" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ClusterNodeTracker.html" title="type parameter in ClusterNodeTracker">N</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ClusterNodeTracker.html#getNodes-org.apache.hadoop.yarn.server.resourcemanager.scheduler.NodeFilter-">getNodes</a></span>(<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/NodeFilter.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.scheduler">NodeFilter</a>&nbsp;nodeFilter)</code>
<div class="block">Convenience method to filter nodes based on a condition.</div>
</td>
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<tr id="i11" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ClusterNodeTracker.html" title="type parameter in ClusterNodeTracker">N</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ClusterNodeTracker.html#getNodesByResourceName-java.lang.String-">getNodesByResourceName</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;resourceName)</code>
<div class="block">Convenience method to return list of nodes corresponding to resourceName
passed in the <code>ResourceRequest</code>.</div>
</td>
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<tr id="i12" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ClusterNodeTracker.html" title="type parameter in ClusterNodeTracker">N</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ClusterNodeTracker.html#getNodesPerPartition-java.lang.String-">getNodesPerPartition</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)</code>&nbsp;</td>
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ClusterNodeTracker.html#nodeCount--">nodeCount</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ClusterNodeTracker.html#nodeCount-java.lang.String-">nodeCount</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;rackName)</code>&nbsp;</td>
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<tr id="i15" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ClusterNodeTracker.html" title="type parameter in ClusterNodeTracker">N</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ClusterNodeTracker.html#removeNode-org.apache.hadoop.yarn.api.records.NodeId-">removeNode</a></span>(org.apache.hadoop.yarn.api.records.NodeId&nbsp;nodeId)</code>&nbsp;</td>
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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/ClusterNodeTracker.html#setConfiguredMaxAllocation-org.apache.hadoop.yarn.api.records.Resource-">setConfiguredMaxAllocation</a></span>(org.apache.hadoop.yarn.api.records.Resource&nbsp;resource)</code>&nbsp;</td>
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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/ClusterNodeTracker.html#setConfiguredMaxAllocationWaitTime-long-">setConfiguredMaxAllocationWaitTime</a></span>(long&nbsp;configuredMaxAllocationWaitTime)</code>&nbsp;</td>
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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/ClusterNodeTracker.html#setForceConfiguredMaxAllocation-boolean-">setForceConfiguredMaxAllocation</a></span>(boolean&nbsp;flag)</code>&nbsp;</td>
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<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/TreeSet.html?is-external=true" title="class or interface in java.util">TreeSet</a>&lt;<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ClusterNodeTracker.html" title="type parameter in ClusterNodeTracker">N</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ClusterNodeTracker.html#sortedNodeSet-java.util.Comparator-">sortedNodeSet</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</a>&lt;<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ClusterNodeTracker.html" title="type parameter in ClusterNodeTracker">N</a>&gt;&nbsp;comparator)</code>
<div class="block">Convenience method to sort nodes.</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/ClusterNodeTracker.html#updateNodesPerPartition-java.lang.String-java.util.Set-">updateNodesPerPartition</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,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.hadoop.yarn.api.records.NodeId&gt;&nbsp;nodeIds)</code>
<div class="block">update cached nodes per partition on a node label change event.</div>
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<pre>public&nbsp;ClusterNodeTracker()</pre>
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<pre>public&nbsp;void&nbsp;addNode(<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ClusterNodeTracker.html" title="type parameter in ClusterNodeTracker">N</a>&nbsp;node)</pre>
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<pre>public&nbsp;boolean&nbsp;exists(org.apache.hadoop.yarn.api.records.NodeId&nbsp;nodeId)</pre>
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<pre>public&nbsp;<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ClusterNodeTracker.html" title="type parameter in ClusterNodeTracker">N</a>&nbsp;getNode(org.apache.hadoop.yarn.api.records.NodeId&nbsp;nodeId)</pre>
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<pre>public&nbsp;<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerNodeReport.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler">SchedulerNodeReport</a>&nbsp;getNodeReport(org.apache.hadoop.yarn.api.records.NodeId&nbsp;nodeId)</pre>
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<pre>public&nbsp;int&nbsp;nodeCount()</pre>
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<pre>public&nbsp;int&nbsp;nodeCount(<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;rackName)</pre>
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<pre>public&nbsp;org.apache.hadoop.yarn.api.records.Resource&nbsp;getClusterCapacity()</pre>
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<pre>public&nbsp;<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ClusterNodeTracker.html" title="type parameter in ClusterNodeTracker">N</a>&nbsp;removeNode(org.apache.hadoop.yarn.api.records.NodeId&nbsp;nodeId)</pre>
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<pre>public&nbsp;void&nbsp;setConfiguredMaxAllocation(org.apache.hadoop.yarn.api.records.Resource&nbsp;resource)</pre>
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<pre>public&nbsp;void&nbsp;setConfiguredMaxAllocationWaitTime(long&nbsp;configuredMaxAllocationWaitTime)</pre>
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<pre>public&nbsp;org.apache.hadoop.yarn.api.records.Resource&nbsp;getMaxAllowedAllocation()</pre>
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<pre>public&nbsp;void&nbsp;setForceConfiguredMaxAllocation(boolean&nbsp;flag)</pre>
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<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ClusterNodeTracker.html" title="type parameter in ClusterNodeTracker">N</a>&gt;&nbsp;getAllNodes()</pre>
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<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ClusterNodeTracker.html" title="type parameter in ClusterNodeTracker">N</a>&gt;&nbsp;getNodes(<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/NodeFilter.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.scheduler">NodeFilter</a>&nbsp;nodeFilter)</pre>
<div class="block">Convenience method to filter nodes based on a condition.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>nodeFilter</code> - A <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/NodeFilter.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.scheduler"><code>NodeFilter</code></a> for filtering the nodes</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>A list of filtered nodes</dd>
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<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;org.apache.hadoop.yarn.api.records.NodeId&gt;&nbsp;getNodeIds(<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/NodeFilter.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.scheduler">NodeFilter</a>&nbsp;nodeFilter)</pre>
<div class="block">Convenience method to filter nodes based on a condition.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>nodeFilter</code> - A <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/NodeFilter.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.scheduler"><code>NodeFilter</code></a> for filtering the nodes</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>A list of filtered nodes</dd>
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<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/TreeSet.html?is-external=true" title="class or interface in java.util">TreeSet</a>&lt;<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ClusterNodeTracker.html" title="type parameter in ClusterNodeTracker">N</a>&gt;&nbsp;sortedNodeSet(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</a>&lt;<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ClusterNodeTracker.html" title="type parameter in ClusterNodeTracker">N</a>&gt;&nbsp;comparator)</pre>
<div class="block">Convenience method to sort nodes.
Nodes can change while being sorted. Using a standard sort will fail
without locking each node, the TreeSet handles this without locks.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>comparator</code> - the comparator to sort the nodes with</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>sorted set of nodes in the form of a TreeSet</dd>
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<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ClusterNodeTracker.html" title="type parameter in ClusterNodeTracker">N</a>&gt;&nbsp;getNodesByResourceName(<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;resourceName)</pre>
<div class="block">Convenience method to return list of nodes corresponding to resourceName
passed in the <code>ResourceRequest</code>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>resourceName</code> - Host/rack name of the resource, or
<code>ResourceRequest.ANY</code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>list of nodes that match the resourceName</dd>
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<div class="block">Convenience method to return list of <code>NodeId</code> corresponding to
resourceName passed in the <code>ResourceRequest</code>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>resourceName</code> - Host/rack name of the resource, or
<code>ResourceRequest.ANY</code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>list of <code>NodeId</code> that match the resourceName</dd>
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<pre>public&nbsp;void&nbsp;updateNodesPerPartition(<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,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.hadoop.yarn.api.records.NodeId&gt;&nbsp;nodeIds)</pre>
<div class="block">update cached nodes per partition on a node label change event.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>partition</code> - nodeLabel</dd>
<dd><code>nodeIds</code> - List of Node IDs</dd>
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<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ClusterNodeTracker.html" title="type parameter in ClusterNodeTracker">N</a>&gt;&nbsp;getNodesPerPartition(<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)</pre>
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