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| <div class="subTitle">org.apache.storm.scheduler.resource.strategies.scheduling.sorter</div> |
| <h2 title="Class ExecSorterByConnectionCount" class="title">Class ExecSorterByConnectionCount</h2> |
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| <li>org.apache.storm.scheduler.resource.strategies.scheduling.sorter.ExecSorterByConnectionCount</li> |
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| <pre>public class <span class="typeNameLabel">ExecSorterByConnectionCount</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/storm/scheduler/resource/strategies/scheduling/sorter/IExecSorter.html" title="interface in org.apache.storm.scheduler.resource.strategies.scheduling.sorter">IExecSorter</a></pre> |
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| <td class="colFirst"><code>protected <a href="../../../../../../../../org/apache/storm/scheduler/TopologyDetails.html" title="class in org.apache.storm.scheduler">TopologyDetails</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/sorter/ExecSorterByConnectionCount.html#topologyDetails">topologyDetails</a></span></code> </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><<a href="../../../../../../../../org/apache/storm/scheduler/ExecutorDetails.html" title="class in org.apache.storm.scheduler">ExecutorDetails</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/sorter/ExecSorterByConnectionCount.html#sortExecutors-java.util.Set-">sortExecutors</a></span>(<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><<a href="../../../../../../../../org/apache/storm/scheduler/ExecutorDetails.html" title="class in org.apache.storm.scheduler">ExecutorDetails</a>> unassignedExecutors)</code> |
| <div class="block">Order executors based on how many in and out connections it will potentially need to make, in descending order.</div> |
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| <h4>topologyDetails</h4> |
| <pre>protected <a href="../../../../../../../../org/apache/storm/scheduler/TopologyDetails.html" title="class in org.apache.storm.scheduler">TopologyDetails</a> topologyDetails</pre> |
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| <h4>ExecSorterByConnectionCount</h4> |
| <pre>public ExecSorterByConnectionCount(<a href="../../../../../../../../org/apache/storm/scheduler/TopologyDetails.html" title="class in org.apache.storm.scheduler">TopologyDetails</a> topologyDetails)</pre> |
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| <h4>sortExecutors</h4> |
| <pre>public <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><<a href="../../../../../../../../org/apache/storm/scheduler/ExecutorDetails.html" title="class in org.apache.storm.scheduler">ExecutorDetails</a>> sortExecutors(<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><<a href="../../../../../../../../org/apache/storm/scheduler/ExecutorDetails.html" title="class in org.apache.storm.scheduler">ExecutorDetails</a>> unassignedExecutors)</pre> |
| <div class="block"><p>Order executors based on how many in and out connections it will potentially need to make, in descending order. First order components by the number of in and out connections it will have. Then iterate through the sorted list of components. For each component sort the neighbors of that component by how many connections it will have to make with that component. Add an executor from this component and then from each neighboring component in sorted order. Do this until there is nothing left to schedule. Then add back executors not accounted for - which are system executors.</p></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/sorter/IExecSorter.html#sortExecutors-java.util.Set-">sortExecutors</a></code> in interface <code><a href="../../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/sorter/IExecSorter.html" title="interface in org.apache.storm.scheduler.resource.strategies.scheduling.sorter">IExecSorter</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>unassignedExecutors</code> - an unmodifiable set of executors that need to be scheduled.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a list of executors in sorted order for scheduling.</dd> |
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