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| <h2 title="Class SparkSortStrategy" class="title">Class SparkSortStrategy</h2> |
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| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
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| <ul class="inheritance"> |
| <li><a href="../../../../../org/apache/iceberg/actions/BinPackStrategy.html" title="class in org.apache.iceberg.actions">org.apache.iceberg.actions.BinPackStrategy</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../../../../../org/apache/iceberg/actions/SortStrategy.html" title="class in org.apache.iceberg.actions">org.apache.iceberg.actions.SortStrategy</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.iceberg.spark.actions.SparkSortStrategy</li> |
| </ul> |
| </li> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd>java.io.Serializable, <a href="../../../../../org/apache/iceberg/actions/RewriteStrategy.html" title="interface in org.apache.iceberg.actions">RewriteStrategy</a></dd> |
| </dl> |
| <dl> |
| <dt>Direct Known Subclasses:</dt> |
| <dd><a href="../../../../../org/apache/iceberg/spark/actions/SparkZOrderStrategy.html" title="class in org.apache.iceberg.spark.actions">SparkZOrderStrategy</a></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>public class <span class="typeNameLabel">SparkSortStrategy</span> |
| extends <a href="../../../../../org/apache/iceberg/actions/SortStrategy.html" title="class in org.apache.iceberg.actions">SortStrategy</a></pre> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../serialized-form.html#org.apache.iceberg.spark.actions.SparkSortStrategy">Serialized Form</a></dd> |
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| <h3>Field Summary</h3> |
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| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
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| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static java.lang.String</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/iceberg/spark/actions/SparkSortStrategy.html#COMPRESSION_FACTOR">COMPRESSION_FACTOR</a></span></code> |
| <div class="block">The number of shuffle partitions and consequently the number of output files created by the |
| Spark Sort is based on the size of the input data files used in this rewrite operation.</div> |
| </td> |
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| <h3>Fields inherited from class org.apache.iceberg.actions.<a href="../../../../../org/apache/iceberg/actions/BinPackStrategy.html" title="class in org.apache.iceberg.actions">BinPackStrategy</a></h3> |
| <code><a href="../../../../../org/apache/iceberg/actions/BinPackStrategy.html#DELETE_FILE_THRESHOLD">DELETE_FILE_THRESHOLD</a>, <a href="../../../../../org/apache/iceberg/actions/BinPackStrategy.html#DELETE_FILE_THRESHOLD_DEFAULT">DELETE_FILE_THRESHOLD_DEFAULT</a>, <a href="../../../../../org/apache/iceberg/actions/BinPackStrategy.html#MAX_FILE_SIZE_BYTES">MAX_FILE_SIZE_BYTES</a>, <a href="../../../../../org/apache/iceberg/actions/BinPackStrategy.html#MAX_FILE_SIZE_DEFAULT_RATIO">MAX_FILE_SIZE_DEFAULT_RATIO</a>, <a href="../../../../../org/apache/iceberg/actions/BinPackStrategy.html#MIN_FILE_SIZE_BYTES">MIN_FILE_SIZE_BYTES</a>, <a href="../../../../../org/apache/iceberg/actions/BinPackStrategy.html#MIN_FILE_SIZE_DEFAULT_RATIO">MIN_FILE_SIZE_DEFAULT_RATIO</a>, <a href="../../../../../org/apache/iceberg/actions/BinPackStrategy.html#MIN_INPUT_FILES">MIN_INPUT_FILES</a>, <a href="../../../../../org/apache/iceberg/actions/BinPackStrategy.html#MIN_INPUT_FILES_DEFAULT">MIN_INPUT_FILES_DEFAULT</a>, <a href="../../../../../org/apache/iceberg/actions/BinPackStrategy.html#REWRITE_ALL">REWRITE_ALL</a>, <a href="../../../../../org/apache/iceberg/actions/BinPackStrategy.html#REWRITE_ALL_DEFAULT">REWRITE_ALL_DEFAULT</a></code></li> |
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| <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/iceberg/spark/actions/SparkSortStrategy.html#SparkSortStrategy-org.apache.iceberg.Table-org.apache.spark.sql.SparkSession-">SparkSortStrategy</a></span>(<a href="../../../../../org/apache/iceberg/Table.html" title="interface in org.apache.iceberg">Table</a> table, |
| org.apache.spark.sql.SparkSession spark)</code> </td> |
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| <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 <a href="../../../../../org/apache/iceberg/spark/FileScanTaskSetManager.html" title="class in org.apache.iceberg.spark">FileScanTaskSetManager</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/iceberg/spark/actions/SparkSortStrategy.html#manager--">manager</a></span>()</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/iceberg/actions/RewriteStrategy.html" title="interface in org.apache.iceberg.actions">RewriteStrategy</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/iceberg/spark/actions/SparkSortStrategy.html#options-java.util.Map-">options</a></span>(java.util.Map<java.lang.String,java.lang.String> options)</code> |
| <div class="block">Sets options to be used with this strategy</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>protected <a href="../../../../../org/apache/iceberg/spark/FileRewriteCoordinator.html" title="class in org.apache.iceberg.spark">FileRewriteCoordinator</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/iceberg/spark/actions/SparkSortStrategy.html#rewriteCoordinator--">rewriteCoordinator</a></span>()</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>java.util.Set<<a href="../../../../../org/apache/iceberg/DataFile.html" title="interface in org.apache.iceberg">DataFile</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/iceberg/spark/actions/SparkSortStrategy.html#rewriteFiles-java.util.List-">rewriteFiles</a></span>(java.util.List<<a href="../../../../../org/apache/iceberg/FileScanTask.html" title="interface in org.apache.iceberg">FileScanTask</a>> filesToRewrite)</code> |
| <div class="block">Method which will rewrite files based on this particular RewriteStrategy's algorithm.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>protected double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/iceberg/spark/actions/SparkSortStrategy.html#sizeEstimateMultiple--">sizeEstimateMultiple</a></span>()</code> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>protected org.apache.spark.sql.catalyst.plans.logical.LogicalPlan</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/iceberg/spark/actions/SparkSortStrategy.html#sortPlan-org.apache.spark.sql.connector.distributions.Distribution-org.apache.spark.sql.connector.expressions.SortOrder:A-org.apache.spark.sql.catalyst.plans.logical.LogicalPlan-org.apache.spark.sql.internal.SQLConf-">sortPlan</a></span>(org.apache.spark.sql.connector.distributions.Distribution distribution, |
| org.apache.spark.sql.connector.expressions.SortOrder[] ordering, |
| org.apache.spark.sql.catalyst.plans.logical.LogicalPlan plan, |
| org.apache.spark.sql.internal.SQLConf conf)</code> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>protected org.apache.spark.sql.SparkSession</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/iceberg/spark/actions/SparkSortStrategy.html#spark--">spark</a></span>()</code> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/iceberg/Table.html" title="interface in org.apache.iceberg">Table</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/iceberg/spark/actions/SparkSortStrategy.html#table--">table</a></span>()</code> |
| <div class="block">Returns the table being modified by this rewrite strategy</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>protected <a href="../../../../../org/apache/iceberg/spark/SparkTableCache.html" title="class in org.apache.iceberg.spark">SparkTableCache</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/iceberg/spark/actions/SparkSortStrategy.html#tableCache--">tableCache</a></span>()</code> </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>java.util.Set<java.lang.String></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/iceberg/spark/actions/SparkSortStrategy.html#validOptions--">validOptions</a></span>()</code> |
| <div class="block">Returns a set of options which this rewrite strategy can use.</div> |
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| <h3>Methods inherited from class org.apache.iceberg.actions.<a href="../../../../../org/apache/iceberg/actions/SortStrategy.html" title="class in org.apache.iceberg.actions">SortStrategy</a></h3> |
| <code><a href="../../../../../org/apache/iceberg/actions/SortStrategy.html#name--">name</a>, <a href="../../../../../org/apache/iceberg/actions/SortStrategy.html#sortOrder--">sortOrder</a>, <a href="../../../../../org/apache/iceberg/actions/SortStrategy.html#sortOrder-org.apache.iceberg.SortOrder-">sortOrder</a>, <a href="../../../../../org/apache/iceberg/actions/SortStrategy.html#validateOptions--">validateOptions</a></code></li> |
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| <h3>Methods inherited from class org.apache.iceberg.actions.<a href="../../../../../org/apache/iceberg/actions/BinPackStrategy.html" title="class in org.apache.iceberg.actions">BinPackStrategy</a></h3> |
| <code><a href="../../../../../org/apache/iceberg/actions/BinPackStrategy.html#inputFileSize-java.util.List-">inputFileSize</a>, <a href="../../../../../org/apache/iceberg/actions/BinPackStrategy.html#numOutputFiles-long-">numOutputFiles</a>, <a href="../../../../../org/apache/iceberg/actions/BinPackStrategy.html#planFileGroups-java.lang.Iterable-">planFileGroups</a>, <a href="../../../../../org/apache/iceberg/actions/BinPackStrategy.html#selectFilesToRewrite-java.lang.Iterable-">selectFilesToRewrite</a>, <a href="../../../../../org/apache/iceberg/actions/BinPackStrategy.html#splitSize-long-">splitSize</a>, <a href="../../../../../org/apache/iceberg/actions/BinPackStrategy.html#targetFileSize--">targetFileSize</a>, <a href="../../../../../org/apache/iceberg/actions/BinPackStrategy.html#writeMaxFileSize--">writeMaxFileSize</a></code></li> |
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| <h3>Methods inherited from class java.lang.Object</h3> |
| <code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li> |
| </ul> |
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| <div class="details"> |
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| <h3>Field Detail</h3> |
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| <h4>COMPRESSION_FACTOR</h4> |
| <pre>public static final java.lang.String COMPRESSION_FACTOR</pre> |
| <div class="block">The number of shuffle partitions and consequently the number of output files created by the |
| Spark Sort is based on the size of the input data files used in this rewrite operation. Due to |
| compression, the disk file sizes may not accurately represent the size of files in the output. |
| This parameter lets the user adjust the file size used for estimating actual output data size. |
| A factor greater than 1.0 would generate more files than we would expect based on the on-disk |
| file size. A value less than 1.0 would create fewer files than we would expect due to the |
| on-disk size.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../constant-values.html#org.apache.iceberg.spark.actions.SparkSortStrategy.COMPRESSION_FACTOR">Constant Field Values</a></dd> |
| </dl> |
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| <h4>SparkSortStrategy</h4> |
| <pre>public SparkSortStrategy(<a href="../../../../../org/apache/iceberg/Table.html" title="interface in org.apache.iceberg">Table</a> table, |
| org.apache.spark.sql.SparkSession spark)</pre> |
| </li> |
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| <h4>table</h4> |
| <pre>public <a href="../../../../../org/apache/iceberg/Table.html" title="interface in org.apache.iceberg">Table</a> table()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/iceberg/actions/RewriteStrategy.html#table--">RewriteStrategy</a></code></span></div> |
| <div class="block">Returns the table being modified by this rewrite strategy</div> |
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| <h4>validOptions</h4> |
| <pre>public java.util.Set<java.lang.String> validOptions()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/iceberg/actions/RewriteStrategy.html#validOptions--">RewriteStrategy</a></code></span></div> |
| <div class="block">Returns a set of options which this rewrite strategy can use. This is an allowed-list and any |
| options not specified here will be rejected at runtime.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/iceberg/actions/RewriteStrategy.html#validOptions--">validOptions</a></code> in interface <code><a href="../../../../../org/apache/iceberg/actions/RewriteStrategy.html" title="interface in org.apache.iceberg.actions">RewriteStrategy</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../org/apache/iceberg/actions/SortStrategy.html#validOptions--">validOptions</a></code> in class <code><a href="../../../../../org/apache/iceberg/actions/SortStrategy.html" title="class in org.apache.iceberg.actions">SortStrategy</a></code></dd> |
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| <h4>options</h4> |
| <pre>public <a href="../../../../../org/apache/iceberg/actions/RewriteStrategy.html" title="interface in org.apache.iceberg.actions">RewriteStrategy</a> options(java.util.Map<java.lang.String,java.lang.String> options)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/iceberg/actions/RewriteStrategy.html#options-java.util.Map-">RewriteStrategy</a></code></span></div> |
| <div class="block">Sets options to be used with this strategy</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/iceberg/actions/RewriteStrategy.html#options-java.util.Map-">options</a></code> in interface <code><a href="../../../../../org/apache/iceberg/actions/RewriteStrategy.html" title="interface in org.apache.iceberg.actions">RewriteStrategy</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../org/apache/iceberg/actions/SortStrategy.html#options-java.util.Map-">options</a></code> in class <code><a href="../../../../../org/apache/iceberg/actions/SortStrategy.html" title="class in org.apache.iceberg.actions">SortStrategy</a></code></dd> |
| </dl> |
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| <h4>rewriteFiles</h4> |
| <pre>public java.util.Set<<a href="../../../../../org/apache/iceberg/DataFile.html" title="interface in org.apache.iceberg">DataFile</a>> rewriteFiles(java.util.List<<a href="../../../../../org/apache/iceberg/FileScanTask.html" title="interface in org.apache.iceberg">FileScanTask</a>> filesToRewrite)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/iceberg/actions/RewriteStrategy.html#rewriteFiles-java.util.List-">RewriteStrategy</a></code></span></div> |
| <div class="block">Method which will rewrite files based on this particular RewriteStrategy's algorithm. This will |
| most likely be Action framework specific (Spark/Presto/Flink ....).</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>filesToRewrite</code> - a group of files to be rewritten together</dd> |
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