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| <div class="subTitle">org.apache.drill.exec.planner.cost</div> |
| <h2 title="Class DrillCostBase" class="title">Class DrillCostBase</h2> |
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| <ul class="inheritance"> |
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| <ul class="inheritance"> |
| <li>org.apache.drill.exec.planner.cost.DrillCostBase</li> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd>org.apache.calcite.plan.RelOptCost, <a href="../../../../../../org/apache/drill/exec/planner/cost/DrillRelOptCost.html" title="interface in org.apache.drill.exec.planner.cost">DrillRelOptCost</a></dd> |
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| <br> |
| <pre>public class <span class="typeNameLabel">DrillCostBase</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/drill/exec/planner/cost/DrillRelOptCost.html" title="interface in org.apache.drill.exec.planner.cost">DrillRelOptCost</a></pre> |
| <div class="block">Implementation of the DrillRelOptCost, modeled similar to VolcanoCost</div> |
| </li> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Class and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/cost/DrillCostBase.DrillCostFactory.html" title="class in org.apache.drill.exec.planner.cost">DrillCostBase.DrillCostFactory</a></span></code> </td> |
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| <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>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/cost/DrillCostBase.html#AVG_FIELD_WIDTH">AVG_FIELD_WIDTH</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/cost/DrillCostBase.html#BASE_CPU_COST">BASE_CPU_COST</a></span></code> |
| <div class="block">NOTE: the multiplication factors below are not calibrated yet...these |
| are chosen based on approximations for now.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/cost/DrillCostBase.html#BYTE_DISK_READ_COST">BYTE_DISK_READ_COST</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/cost/DrillCostBase.html#BYTE_NETWORK_COST">BYTE_NETWORK_COST</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/cost/DrillCostBase.html#COMPARE_CPU_COST">COMPARE_CPU_COST</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/cost/DrillCostBase.html#FUNC_CPU_COST">FUNC_CPU_COST</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/cost/DrillCostBase.html#HASH_CPU_COST">HASH_CPU_COST</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/cost/DrillCostBase.html#MEMORY_TO_CPU_RATIO">MEMORY_TO_CPU_RATIO</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/cost/DrillCostBase.html#PROJECT_CPU_COST">PROJECT_CPU_COST</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/cost/DrillCostBase.html#RANGE_PARTITION_CPU_COST">RANGE_PARTITION_CPU_COST</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/cost/DrillCostBase.html#SVR_CPU_COST">SVR_CPU_COST</a></span></code> </td> |
| </tr> |
| </table> |
| </li> |
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| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/cost/DrillCostBase.html#DrillCostBase-double-double-double-double-">DrillCostBase</a></span>(double rowCount, |
| double cpu, |
| double io, |
| double network)</code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/cost/DrillCostBase.html#DrillCostBase-double-double-double-double-double-">DrillCostBase</a></span>(double rowCount, |
| double cpu, |
| double io, |
| double network, |
| double memory)</code> </td> |
| </tr> |
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| </li> |
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| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <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>double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/cost/DrillCostBase.html#divideBy-org.apache.calcite.plan.RelOptCost-">divideBy</a></span>(org.apache.calcite.plan.RelOptCost cost)</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/cost/DrillCostBase.html#equals-java.lang.Object-">equals</a></span>(<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> that)</code> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/cost/DrillCostBase.html#equals-org.apache.calcite.plan.RelOptCost-">equals</a></span>(org.apache.calcite.plan.RelOptCost other)</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/cost/DrillCostBase.html#getCpu--">getCpu</a></span>()</code> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/cost/DrillCostBase.html#getIo--">getIo</a></span>()</code> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/cost/DrillCostBase.html#getMemory--">getMemory</a></span>()</code> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/cost/DrillCostBase.html#getNetwork--">getNetwork</a></span>()</code> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/cost/DrillCostBase.html#getRows--">getRows</a></span>()</code> </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/cost/DrillCostBase.html#hashCode--">hashCode</a></span>()</code> </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/cost/DrillCostBase.html#isEqWithEpsilon-org.apache.calcite.plan.RelOptCost-">isEqWithEpsilon</a></span>(org.apache.calcite.plan.RelOptCost other)</code> </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/cost/DrillCostBase.html#isInfinite--">isInfinite</a></span>()</code> </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/cost/DrillCostBase.html#isLe-org.apache.calcite.plan.RelOptCost-">isLe</a></span>(org.apache.calcite.plan.RelOptCost other)</code> </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/cost/DrillCostBase.html#isLt-org.apache.calcite.plan.RelOptCost-">isLt</a></span>(org.apache.calcite.plan.RelOptCost other)</code> </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>org.apache.calcite.plan.RelOptCost</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/cost/DrillCostBase.html#minus-org.apache.calcite.plan.RelOptCost-">minus</a></span>(org.apache.calcite.plan.RelOptCost other)</code> </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>org.apache.calcite.plan.RelOptCost</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/cost/DrillCostBase.html#multiplyBy-double-">multiplyBy</a></span>(double factor)</code> </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>org.apache.calcite.plan.RelOptCost</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/cost/DrillCostBase.html#plus-org.apache.calcite.plan.RelOptCost-">plus</a></span>(org.apache.calcite.plan.RelOptCost other)</code> </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code><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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/cost/DrillCostBase.html#toString--">toString</a></span>()</code> </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a name="methods.inherited.from.class.java.lang.Object"> |
| <!-- --> |
| </a> |
| <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#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#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#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> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ FIELD DETAIL =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="field.detail"> |
| <!-- --> |
| </a> |
| <h3>Field Detail</h3> |
| <a name="BASE_CPU_COST"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>BASE_CPU_COST</h4> |
| <pre>public static final int BASE_CPU_COST</pre> |
| <div class="block">NOTE: the multiplication factors below are not calibrated yet...these |
| are chosen based on approximations for now. For reference purposes, |
| assume each disk on a server can have a sustained I/O throughput of |
| 100 MBytes/sec. Suppose there is an array of 16 disks per server..theoretically |
| one could get 1.6GBytes/sec. Suppose network speed is 1GBit/sec which is |
| 128MBytes/sec, although actual transfer rate over the network may be lower. |
| We are only concerned with relative costs, not absolute values. |
| For relative costing, let's assume sending data over the network is |
| about 16x slower than reading/writing to an array of local disks.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../constant-values.html#org.apache.drill.exec.planner.cost.DrillCostBase.BASE_CPU_COST">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="BYTE_DISK_READ_COST"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>BYTE_DISK_READ_COST</h4> |
| <pre>public static final int BYTE_DISK_READ_COST</pre> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../constant-values.html#org.apache.drill.exec.planner.cost.DrillCostBase.BYTE_DISK_READ_COST">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="BYTE_NETWORK_COST"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>BYTE_NETWORK_COST</h4> |
| <pre>public static final int BYTE_NETWORK_COST</pre> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../constant-values.html#org.apache.drill.exec.planner.cost.DrillCostBase.BYTE_NETWORK_COST">Constant Field Values</a></dd> |
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| </li> |
| </ul> |
| <a name="SVR_CPU_COST"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>SVR_CPU_COST</h4> |
| <pre>public static final int SVR_CPU_COST</pre> |
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