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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 / distributed / QueueLimitCalculator.html
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<div class="subTitle">org.apache.hadoop.yarn.server.resourcemanager.scheduler.distributed</div>
<h2 title="Class QueueLimitCalculator" class="title">Class QueueLimitCalculator</h2>
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<pre>public class <span class="typeNameLabel">QueueLimitCalculator</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">This class interacts with the NodeQueueLoadMonitor to keep track of the
mean and standard deviation of the configured metrics (queue length or queue
wait time) used to characterize the queue load of a specific node.
The NodeQueueLoadMonitor triggers an update (by calling the
<code>update()</code> method) every time it performs a re-ordering of
all nodes.</div>
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<td class="colFirst"><code>org.apache.hadoop.yarn.server.api.records.ContainerQueuingLimit</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/distributed/QueueLimitCalculator.html#createContainerQueuingLimit--">createContainerQueuingLimit</a></span>()</code>&nbsp;</td>
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<pre>public&nbsp;org.apache.hadoop.yarn.server.api.records.ContainerQueuingLimit&nbsp;createContainerQueuingLimit()</pre>
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