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| <div class="subTitle">org.apache.drill.exec.physical.config</div> |
| <h2 title="Class AbstractMuxExchange" class="title">Class AbstractMuxExchange</h2> |
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| <div class="contentContainer"> |
| <ul class="inheritance"> |
| <li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractBase.html" title="class in org.apache.drill.exec.physical.base">org.apache.drill.exec.physical.base.AbstractBase</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractSingle.html" title="class in org.apache.drill.exec.physical.base">org.apache.drill.exec.physical.base.AbstractSingle</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html" title="class in org.apache.drill.exec.physical.base">org.apache.drill.exec.physical.base.AbstractExchange</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.drill.exec.physical.config.AbstractMuxExchange</li> |
| </ul> |
| </li> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a><<a href="../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html" title="interface in org.apache.drill.exec.physical.base">PhysicalOperator</a>>, <a href="../../../../../../org/apache/drill/common/graph/GraphValue.html" title="interface in org.apache.drill.common.graph">GraphValue</a><<a href="../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html" title="interface in org.apache.drill.exec.physical.base">PhysicalOperator</a>>, <a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.html" title="interface in org.apache.drill.exec.physical.base">Exchange</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html" title="interface in org.apache.drill.exec.physical.base">PhysicalOperator</a></dd> |
| </dl> |
| <dl> |
| <dt>Direct Known Subclasses:</dt> |
| <dd><a href="../../../../../../org/apache/drill/exec/physical/config/OrderedMuxExchange.html" title="class in org.apache.drill.exec.physical.config">OrderedMuxExchange</a>, <a href="../../../../../../org/apache/drill/exec/physical/config/UnorderedMuxExchange.html" title="class in org.apache.drill.exec.physical.config">UnorderedMuxExchange</a></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>public abstract class <span class="typeNameLabel">AbstractMuxExchange</span> |
| extends <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html" title="class in org.apache.drill.exec.physical.base">AbstractExchange</a></pre> |
| <div class="block">Multiplexing Exchange (MuxExchange) is used when results from multiple minor fragments belonging to the same |
| major fragment running on a node need to be collected at one fragment on the same node before distributing the |
| results further. This helps when the sender that is distributing the results has overhead that is proportional to |
| the number of sender instances. An example of such sender is PartitionSender. Each instance of PartitionSender |
| allocates "r" buffers where "r" is the number of receivers. |
| |
| Ex. Drillbit A is assigned 10 minor fragments belonging to the same major fragment. Each of these fragments |
| has a PartitionSender instance which is sending data to 300 receivers. Each PartitionSender needs 300 buffers, |
| so total of 10*300 buffers are needed. With MuxExchange, all 10 fragments send the data directly (without |
| partitioning) to MuxExchange which uses the PartitionSender to partition the incoming data and distribute |
| to receivers. MuxExchange has only one instance per Drillbit per major fragment which means only one instance of |
| PartitionSender per Drillbit per major fragment. With MuxExchange total number of buffers used by PartitionSender |
| for the 10 fragments is 300 instead of earlier number 10*300.</div> |
| </li> |
| </ul> |
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| <h3>Nested Class Summary</h3> |
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| <li class="blockList"><a name="nested.classes.inherited.from.class.org.apache.drill.exec.physical.base.Exchange"> |
| <!-- --> |
| </a> |
| <h3>Nested classes/interfaces inherited from interface org.apache.drill.exec.physical.base.<a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.html" title="interface in org.apache.drill.exec.physical.base">Exchange</a></h3> |
| <code><a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.ParallelizationDependency.html" title="enum in org.apache.drill.exec.physical.base">Exchange.ParallelizationDependency</a></code></li> |
| </ul> |
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| <h3>Field Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation"> |
| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected org.apache.drill.shaded.guava.com.google.common.collect.ArrayListMultimap<<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>,<a href="../../../../../../org/apache/drill/exec/physical/MinorFragmentEndpoint.html" title="class in org.apache.drill.exec.physical">MinorFragmentEndpoint</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/config/AbstractMuxExchange.html#receiverToSenderMapping">receiverToSenderMapping</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected <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><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>,<a href="../../../../../../org/apache/drill/exec/physical/MinorFragmentEndpoint.html" title="class in org.apache.drill.exec.physical">MinorFragmentEndpoint</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/config/AbstractMuxExchange.html#senderToReceiverMapping">senderToReceiverMapping</a></span></code> </td> |
| </tr> |
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| <li class="blockList"><a name="fields.inherited.from.class.org.apache.drill.exec.physical.base.AbstractExchange"> |
| <!-- --> |
| </a> |
| <h3>Fields inherited from class org.apache.drill.exec.physical.base.<a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html" title="class in org.apache.drill.exec.physical.base">AbstractExchange</a></h3> |
| <code><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html#receiverLocations">receiverLocations</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html#receiverMajorFragmentId">receiverMajorFragmentId</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html#senderLocations">senderLocations</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html#senderMajorFragmentId">senderMajorFragmentId</a></code></li> |
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| <h3>Fields inherited from class org.apache.drill.exec.physical.base.<a href="../../../../../../org/apache/drill/exec/physical/base/AbstractSingle.html" title="class in org.apache.drill.exec.physical.base">AbstractSingle</a></h3> |
| <code><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractSingle.html#child">child</a></code></li> |
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| <h3>Fields inherited from class org.apache.drill.exec.physical.base.<a href="../../../../../../org/apache/drill/exec/physical/base/AbstractBase.html" title="class in org.apache.drill.exec.physical.base">AbstractBase</a></h3> |
| <code><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractBase.html#INIT_ALLOCATION">INIT_ALLOCATION</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractBase.html#initialAllocation">initialAllocation</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractBase.html#MAX_ALLOCATION">MAX_ALLOCATION</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractBase.html#maxAllocation">maxAllocation</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractBase.html#userName">userName</a></code></li> |
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| <ul class="blockList"> |
| <li class="blockList"><a name="constructor.summary"> |
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| <h3>Constructor Summary</h3> |
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| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colOne" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/config/AbstractMuxExchange.html#AbstractMuxExchange-org.apache.drill.exec.physical.base.PhysicalOperator-">AbstractMuxExchange</a></span>(<a href="../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html" title="interface in org.apache.drill.exec.physical.base">PhysicalOperator</a> child)</code> </td> |
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| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/config/AbstractMuxExchange.html#createSenderReceiverMapping--">createSenderReceiverMapping</a></span>()</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../../org/apache/drill/exec/planner/fragment/ParallelizationInfo.html" title="class in org.apache.drill.exec.planner.fragment">ParallelizationInfo</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/config/AbstractMuxExchange.html#getReceiverParallelizationInfo-java.util.List-">getReceiverParallelizationInfo</a></span>(<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/drill/exec/proto/CoordinationProtos.DrillbitEndpoint.html" title="class in org.apache.drill.exec.proto">CoordinationProtos.DrillbitEndpoint</a>> senderFragmentEndpoints)</code> |
| <div class="block">Default receiver parallelization width range is [1, Integer.MAX_VALUE] and affinity to nodes where sender |
| fragments are running.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../../org/apache/drill/exec/physical/base/Sender.html" title="interface in org.apache.drill.exec.physical.base">Sender</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/config/AbstractMuxExchange.html#getSender-int-org.apache.drill.exec.physical.base.PhysicalOperator-">getSender</a></span>(int minorFragmentId, |
| <a href="../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html" title="interface in org.apache.drill.exec.physical.base">PhysicalOperator</a> child)</code> |
| <div class="block">Get the Sender associated with the given minorFragmentId.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>protected <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/drill/exec/physical/MinorFragmentEndpoint.html" title="class in org.apache.drill.exec.physical">MinorFragmentEndpoint</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/config/AbstractMuxExchange.html#getSenders-int-">getSenders</a></span>(int minorFragmentId)</code> </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a name="methods.inherited.from.class.org.apache.drill.exec.physical.base.AbstractExchange"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from class org.apache.drill.exec.physical.base.<a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html" title="class in org.apache.drill.exec.physical.base">AbstractExchange</a></h3> |
| <code><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html#accept-org.apache.drill.exec.physical.base.PhysicalVisitor-X-">accept</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html#getDefaultAffinityMap-java.util.List-">getDefaultAffinityMap</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html#getOperatorType--">getOperatorType</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html#getParallelizationDependency--">getParallelizationDependency</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html#getReceiverMemory-int-int-">getReceiverMemory</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html#getSenderMemory-int-int-">getSenderMemory</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html#getSenderParallelizationInfo-java.util.List-">getSenderParallelizationInfo</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html#isExecutable--">isExecutable</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html#setupReceivers-int-java.util.List-">setupReceivers</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html#setupReceivers-java.util.List-">setupReceivers</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html#setupSenders-int-java.util.List-">setupSenders</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html#setupSenders-java.util.List-">setupSenders</a></code></li> |
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| <h3>Methods inherited from class org.apache.drill.exec.physical.base.<a href="../../../../../../org/apache/drill/exec/physical/base/AbstractSingle.html" title="class in org.apache.drill.exec.physical.base">AbstractSingle</a></h3> |
| <code><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractSingle.html#getChild--">getChild</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractSingle.html#getNewWithChild-org.apache.drill.exec.physical.base.PhysicalOperator-">getNewWithChild</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractSingle.html#getNewWithChildren-java.util.List-">getNewWithChildren</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractSingle.html#iterator--">iterator</a></code></li> |
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| <h3>Methods inherited from class org.apache.drill.exec.physical.base.<a href="../../../../../../org/apache/drill/exec/physical/base/AbstractBase.html" title="class in org.apache.drill.exec.physical.base">AbstractBase</a></h3> |
| <code><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractBase.html#accept-org.apache.drill.common.graph.GraphVisitor-">accept</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractBase.html#getCost--">getCost</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractBase.html#getInitialAllocation--">getInitialAllocation</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractBase.html#getMaxAllocation--">getMaxAllocation</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractBase.html#getOperatorId--">getOperatorId</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractBase.html#getSVMode--">getSVMode</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractBase.html#getUserName--">getUserName</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractBase.html#isBufferedOperator-org.apache.drill.exec.ops.QueryContext-">isBufferedOperator</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractBase.html#setCost-org.apache.drill.exec.planner.cost.PrelCostEstimates-">setCost</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractBase.html#setMaxAllocation-long-">setMaxAllocation</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractBase.html#setOperatorId-int-">setOperatorId</a></code></li> |
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| <h3>Methods inherited from class 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> |
| </ul> |
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| <h3>Methods inherited from interface org.apache.drill.exec.physical.base.<a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.html" title="interface in org.apache.drill.exec.physical.base">Exchange</a></h3> |
| <code><a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.html#getChild--">getChild</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.html#getReceiver-int-">getReceiver</a></code></li> |
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| <h3>Methods inherited from interface org.apache.drill.exec.physical.base.<a href="../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html" title="interface in org.apache.drill.exec.physical.base">PhysicalOperator</a></h3> |
| <code><a href="../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html#getCost--">getCost</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html#getInitialAllocation--">getInitialAllocation</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html#getMaxAllocation--">getMaxAllocation</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html#getNewWithChildren-java.util.List-">getNewWithChildren</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html#getOperatorId--">getOperatorId</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html#getSVMode--">getSVMode</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html#getUserName--">getUserName</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html#isBufferedOperator-org.apache.drill.exec.ops.QueryContext-">isBufferedOperator</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html#setCost-org.apache.drill.exec.planner.cost.PrelCostEstimates-">setCost</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html#setMaxAllocation-long-">setMaxAllocation</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html#setOperatorId-int-">setOperatorId</a></code></li> |
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| <h3>Methods inherited from interface org.apache.drill.common.graph.<a href="../../../../../../org/apache/drill/common/graph/GraphValue.html" title="interface in org.apache.drill.common.graph">GraphValue</a></h3> |
| <code><a href="../../../../../../org/apache/drill/common/graph/GraphValue.html#accept-org.apache.drill.common.graph.GraphVisitor-">accept</a></code></li> |
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| <h3>Methods inherited from interface java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a></h3> |
| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true#forEach-java.util.function.Consumer-" title="class or interface in java.lang">forEach</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true#iterator--" title="class or interface in java.lang">iterator</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true#spliterator--" title="class or interface in java.lang">spliterator</a></code></li> |
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| <h3>Field Detail</h3> |
| <a name="senderToReceiverMapping"> |
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| <ul class="blockList"> |
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| <h4>senderToReceiverMapping</h4> |
| <pre>protected <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><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>,<a href="../../../../../../org/apache/drill/exec/physical/MinorFragmentEndpoint.html" title="class in org.apache.drill.exec.physical">MinorFragmentEndpoint</a>> senderToReceiverMapping</pre> |
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| <a name="receiverToSenderMapping"> |
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| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>receiverToSenderMapping</h4> |
| <pre>protected org.apache.drill.shaded.guava.com.google.common.collect.ArrayListMultimap<<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>,<a href="../../../../../../org/apache/drill/exec/physical/MinorFragmentEndpoint.html" title="class in org.apache.drill.exec.physical">MinorFragmentEndpoint</a>> receiverToSenderMapping</pre> |
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| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="constructor.detail"> |
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| </a> |
| <h3>Constructor Detail</h3> |
| <a name="AbstractMuxExchange-org.apache.drill.exec.physical.base.PhysicalOperator-"> |
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| </a> |
| <ul class="blockListLast"> |
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| <h4>AbstractMuxExchange</h4> |
| <pre>public AbstractMuxExchange(<a href="../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html" title="interface in org.apache.drill.exec.physical.base">PhysicalOperator</a> child)</pre> |
| </li> |
| </ul> |
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| <h3>Method Detail</h3> |
| <a name="getReceiverParallelizationInfo-java.util.List-"> |
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| <h4>getReceiverParallelizationInfo</h4> |
| <pre>public <a href="../../../../../../org/apache/drill/exec/planner/fragment/ParallelizationInfo.html" title="class in org.apache.drill.exec.planner.fragment">ParallelizationInfo</a> getReceiverParallelizationInfo(<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/drill/exec/proto/CoordinationProtos.DrillbitEndpoint.html" title="class in org.apache.drill.exec.proto">CoordinationProtos.DrillbitEndpoint</a>> senderFragmentEndpoints)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html#getReceiverParallelizationInfo-java.util.List-">AbstractExchange</a></code></span></div> |
| <div class="block">Default receiver parallelization width range is [1, Integer.MAX_VALUE] and affinity to nodes where sender |
| fragments are running.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.html#getReceiverParallelizationInfo-java.util.List-">getReceiverParallelizationInfo</a></code> in interface <code><a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.html" title="interface in org.apache.drill.exec.physical.base">Exchange</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html#getReceiverParallelizationInfo-java.util.List-">getReceiverParallelizationInfo</a></code> in class <code><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html" title="class in org.apache.drill.exec.physical.base">AbstractExchange</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>senderFragmentEndpoints</code> - Endpoints assigned to receiver fragment if available, otherwise an empty list.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Receiver <a href="../../../../../../org/apache/drill/exec/planner/fragment/ParallelizationInfo.html" title="class in org.apache.drill.exec.planner.fragment"><code>ParallelizationInfo</code></a>.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getSender-int-org.apache.drill.exec.physical.base.PhysicalOperator-"> |
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| <h4>getSender</h4> |
| <pre>public <a href="../../../../../../org/apache/drill/exec/physical/base/Sender.html" title="interface in org.apache.drill.exec.physical.base">Sender</a> getSender(int minorFragmentId, |
| <a href="../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html" title="interface in org.apache.drill.exec.physical.base">PhysicalOperator</a> child)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.html#getSender-int-org.apache.drill.exec.physical.base.PhysicalOperator-">Exchange</a></code></span></div> |
| <div class="block">Get the Sender associated with the given minorFragmentId. Cannot be called until after setupSenders() and |
| setupReceivers() have been called.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>minorFragmentId</code> - The minor fragment id, must be in the range [0, fragment.width).</dd> |
| <dd><code>child</code> - The feeding node for the requested sender.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The materialized sender for the given arguments.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getSenders-int-"> |
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| </a> |
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| <h4>getSenders</h4> |
| <pre>protected final <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/drill/exec/physical/MinorFragmentEndpoint.html" title="class in org.apache.drill.exec.physical">MinorFragmentEndpoint</a>> getSenders(int minorFragmentId)</pre> |
| </li> |
| </ul> |
| <a name="createSenderReceiverMapping--"> |
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| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>createSenderReceiverMapping</h4> |
| <pre>protected void createSenderReceiverMapping()</pre> |
| </li> |
| </ul> |
| </li> |
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