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| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">org.apache.hadoop.hbase.regionserver</a></div> |
| <h1 title="Class CellChunkMap" class="title">Class CellChunkMap<T extends <a href="../Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>></h1> |
| </div> |
| <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a> |
| <div class="inheritance"><a href="CellFlatMap.html" title="class in org.apache.hadoop.hbase.regionserver">org.apache.hadoop.hbase.regionserver.CellFlatMap</a><T> |
| <div class="inheritance">org.apache.hadoop.hbase.regionserver.CellChunkMap<T></div> |
| </div> |
| </div> |
| <section class="class-description" id="class-description"> |
| <dl class="notes"> |
| <dt>All Implemented Interfaces:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><T,<wbr>T></code>, <code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/NavigableMap.html" title="class or interface in java.util" class="external-link">NavigableMap</a><T,<wbr>T></code>, <code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/SortedMap.html" title="class or interface in java.util" class="external-link">SortedMap</a><T,<wbr>T></code></dd> |
| </dl> |
| <hr> |
| <div class="type-signature"><span class="annotations">@Private |
| </span><span class="modifiers">public class </span><span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/CellChunkMap.html#line-53">CellChunkMap</a><T extends <a href="../Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>></span> |
| <span class="extends-implements">extends <a href="CellFlatMap.html" title="class in org.apache.hadoop.hbase.regionserver">CellFlatMap</a><T></span></div> |
| <div class="block">CellChunkMap is an array of serialized representations of Cell (pointing to Chunks with full Cell |
| data) and can be allocated both off-heap and on-heap. |
| <p> |
| CellChunkMap is a byte array (chunk) holding all that is needed to access a Cell, which is |
| actually saved on another deeper chunk. Per Cell we have a reference to this deeper byte array B |
| (chunk ID, integer), offset in bytes in B (integer), length in bytes in B (integer) and seqID of |
| the cell (long). In order to save reference to byte array we use the Chunk's ID given by |
| ChunkCreator. |
| <p> |
| The CellChunkMap memory layout on chunk A relevant to a deeper byte array B, holding the actual |
| cell data: |
| |
| <pre> |
| |
| < header > <--------------- first Cell -----------------> <-- second Cell ... |
| --------------------------------------------------------------------------------------- ... |
| integer | integer | integer | integer | long | |
| 4 bytes | 4 bytes | 4 bytes | 4 bytes | 8 bytes | |
| ChunkID | chunkID of | offset in B | length of | sequence | ... |
| of this | chunk B with | where Cell's | Cell's | ID of | |
| chunk A | Cell data | data starts | data in B | the Cell | |
| --------------------------------------------------------------------------------------- ... |
| </pre></div> |
| </section> |
| <section class="summary"> |
| <ul class="summary-list"> |
| <!-- ======== NESTED CLASS SUMMARY ======== --> |
| <li> |
| <section class="nested-class-summary" id="nested-class-summary"> |
| <h2>Nested Class Summary</h2> |
| <div class="inherited-list"> |
| <h2 id="nested-classes-inherited-from-class-java.util.Map">Nested classes/interfaces inherited from interface java.util.<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a></h2> |
| <code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.Entry.html" title="class or interface in java.util" class="external-link">Map.Entry</a><<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.Entry.html" title="class or interface in java.util" class="external-link">K</a> extends <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.Entry.html" title="class or interface in java.util" class="external-link">V</a> extends <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>></code></div> |
| </section> |
| </li> |
| <!-- =========== FIELD SUMMARY =========== --> |
| <li> |
| <section class="field-summary" id="field-summary"> |
| <h2>Field Summary</h2> |
| <div class="caption"><span>Fields</span></div> |
| <div class="summary-table three-column-summary"> |
| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Field</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color"><code>private final <a href="Chunk.html" title="class in org.apache.hadoop.hbase.regionserver">Chunk</a>[]</code></div> |
| <div class="col-second even-row-color"><code><a href="#chunks" class="member-name-link">chunks</a></code></div> |
| <div class="col-last even-row-color"> </div> |
| <div class="col-first odd-row-color"><code>private final int</code></div> |
| <div class="col-second odd-row-color"><code><a href="#numOfCellRepsInChunk" class="member-name-link">numOfCellRepsInChunk</a></code></div> |
| <div class="col-last odd-row-color"> </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="fields-inherited-from-class-org.apache.hadoop.hbase.regionserver.CellFlatMap">Fields inherited from class org.apache.hadoop.hbase.regionserver.<a href="CellFlatMap.html" title="class in org.apache.hadoop.hbase.regionserver">CellFlatMap</a></h3> |
| <code><a href="CellFlatMap.html#maxCellIdx">maxCellIdx</a>, <a href="CellFlatMap.html#minCellIdx">minCellIdx</a></code></div> |
| </section> |
| </li> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| <li> |
| <section class="constructor-summary" id="constructor-summary"> |
| <h2>Constructor Summary</h2> |
| <div class="caption"><span>Constructors</span></div> |
| <div class="summary-table two-column-summary"> |
| <div class="table-header col-first">Constructor</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(java.util.Comparator,org.apache.hadoop.hbase.regionserver.Chunk%5B%5D,int,int,boolean)" class="member-name-link">CellChunkMap</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Comparator.html" title="class or interface in java.util" class="external-link">Comparator</a><? super <a href="CellChunkMap.html" title="type parameter in CellChunkMap">T</a>> comparator, |
| <a href="Chunk.html" title="class in org.apache.hadoop.hbase.regionserver">Chunk</a>[] chunks, |
| int min, |
| int max, |
| boolean descending)</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">C-tor for creating CellChunkMap from existing Chunk array, which must be ordered (decreasingly |
| or increasingly according to parameter "descending")</div> |
| </div> |
| </div> |
| </section> |
| </li> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <li> |
| <section class="method-summary" id="method-summary"> |
| <h2>Method Summary</h2> |
| <div id="method-summary-table"> |
| <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div> |
| <div id="method-summary-table.tabpanel" role="tabpanel"> |
| <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0"> |
| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Method</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>protected <a href="CellFlatMap.html" title="class in org.apache.hadoop.hbase.regionserver">CellFlatMap</a><<a href="CellChunkMap.html" title="type parameter in CellChunkMap">T</a>></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#createSubCellFlatMap(int,int,boolean)" class="member-name-link">createSubCellFlatMap</a><wbr>(int min, |
| int max, |
| boolean descending)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">To be used by base (CellFlatMap) class only to create a sub-CellFlatMap Should be used only to |
| create only CellChunkMap from CellChunkMap</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>protected <a href="CellChunkMap.html" title="type parameter in CellChunkMap">T</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getCell(int)" class="member-name-link">getCell</a><wbr>(int i)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| </div> |
| </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-org.apache.hadoop.hbase.regionserver.CellFlatMap">Methods inherited from class org.apache.hadoop.hbase.regionserver.<a href="CellFlatMap.html" title="class in org.apache.hadoop.hbase.regionserver">CellFlatMap</a></h3> |
| <code><a href="CellFlatMap.html#ceilingEntry(T)">ceilingEntry</a>, <a href="CellFlatMap.html#ceilingKey(T)">ceilingKey</a>, <a href="CellFlatMap.html#clear()">clear</a>, <a href="CellFlatMap.html#comparator()">comparator</a>, <a href="CellFlatMap.html#containsKey(java.lang.Object)">containsKey</a>, <a href="CellFlatMap.html#containsValue(java.lang.Object)">containsValue</a>, <a href="CellFlatMap.html#descendingKeySet()">descendingKeySet</a>, <a href="CellFlatMap.html#descendingMap()">descendingMap</a>, <a href="CellFlatMap.html#entrySet()">entrySet</a>, <a href="CellFlatMap.html#firstEntry()">firstEntry</a>, <a href="CellFlatMap.html#firstKey()">firstKey</a>, <a href="CellFlatMap.html#floorEntry(T)">floorEntry</a>, <a href="CellFlatMap.html#floorKey(T)">floorKey</a>, <a href="CellFlatMap.html#get(java.lang.Object)">get</a>, <a href="CellFlatMap.html#headMap(T)">headMap</a>, <a href="CellFlatMap.html#headMap(T,boolean)">headMap</a>, <a href="CellFlatMap.html#higherEntry(T)">higherEntry</a>, <a href="CellFlatMap.html#higherKey(T)">higherKey</a>, <a href="CellFlatMap.html#isEmpty()">isEmpty</a>, <a href="CellFlatMap.html#keySet()">keySet</a>, <a href="CellFlatMap.html#lastEntry()">lastEntry</a>, <a href="CellFlatMap.html#lastKey()">lastKey</a>, <a href="CellFlatMap.html#lowerEntry(T)">lowerEntry</a>, <a href="CellFlatMap.html#lowerKey(T)">lowerKey</a>, <a href="CellFlatMap.html#navigableKeySet()">navigableKeySet</a>, <a href="CellFlatMap.html#pollFirstEntry()">pollFirstEntry</a>, <a href="CellFlatMap.html#pollLastEntry()">pollLastEntry</a>, <a href="CellFlatMap.html#put(T,T)">put</a>, <a href="CellFlatMap.html#putAll(java.util.Map)">putAll</a>, <a href="CellFlatMap.html#remove(java.lang.Object)">remove</a>, <a href="CellFlatMap.html#size()">size</a>, <a href="CellFlatMap.html#subMap(T,boolean,T,boolean)">subMap</a>, <a href="CellFlatMap.html#subMap(T,T)">subMap</a>, <a href="CellFlatMap.html#tailMap(T)">tailMap</a>, <a href="CellFlatMap.html#tailMap(T,boolean)">tailMap</a>, <a href="CellFlatMap.html#values()">values</a></code></div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class java.lang.<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3> |
| <code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-java.util.Map">Methods inherited from interface java.util.<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a></h3> |
| <code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html#compute(K,java.util.function.BiFunction)" title="class or interface in java.util" class="external-link">compute</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html#computeIfAbsent(K,java.util.function.Function)" title="class or interface in java.util" class="external-link">computeIfAbsent</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html#computeIfPresent(K,java.util.function.BiFunction)" title="class or interface in java.util" class="external-link">computeIfPresent</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html#equals(java.lang.Object)" title="class or interface in java.util" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html#forEach(java.util.function.BiConsumer)" title="class or interface in java.util" class="external-link">forEach</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html#getOrDefault(java.lang.Object,V)" title="class or interface in java.util" class="external-link">getOrDefault</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html#hashCode()" title="class or interface in java.util" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html#merge(K,V,java.util.function.BiFunction)" title="class or interface in java.util" class="external-link">merge</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html#putIfAbsent(K,V)" title="class or interface in java.util" class="external-link">putIfAbsent</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html#remove(java.lang.Object,java.lang.Object)" title="class or interface in java.util" class="external-link">remove</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html#replace(K,V)" title="class or interface in java.util" class="external-link">replace</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html#replace(K,V,V)" title="class or interface in java.util" class="external-link">replace</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html#replaceAll(java.util.function.BiFunction)" title="class or interface in java.util" class="external-link">replaceAll</a></code></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="details-list"> |
| <!-- ============ FIELD DETAIL =========== --> |
| <li> |
| <section class="field-details" id="field-detail"> |
| <h2>Field Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="chunks"> |
| <h3>chunks</h3> |
| <div class="member-signature"><span class="modifiers">private final</span> <span class="return-type"><a href="Chunk.html" title="class in org.apache.hadoop.hbase.regionserver">Chunk</a>[]</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/CellChunkMap.html#line-56">chunks</a></span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="numOfCellRepsInChunk"> |
| <h3>numOfCellRepsInChunk</h3> |
| <div class="member-signature"><span class="modifiers">private final</span> <span class="return-type">int</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/CellChunkMap.html#line-61">numOfCellRepsInChunk</a></span></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <li> |
| <section class="constructor-details" id="constructor-detail"> |
| <h2>Constructor Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="<init>(java.util.Comparator,org.apache.hadoop.hbase.regionserver.Chunk[],int,int,boolean)"> |
| <h3>CellChunkMap</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/CellChunkMap.html#line-72">CellChunkMap</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Comparator.html" title="class or interface in java.util" class="external-link">Comparator</a><? super <a href="CellChunkMap.html" title="type parameter in CellChunkMap">T</a>> comparator, |
| <a href="Chunk.html" title="class in org.apache.hadoop.hbase.regionserver">Chunk</a>[] chunks, |
| int min, |
| int max, |
| boolean descending)</span></div> |
| <div class="block">C-tor for creating CellChunkMap from existing Chunk array, which must be ordered (decreasingly |
| or increasingly according to parameter "descending")</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>comparator</code> - a tool for comparing cells</dd> |
| <dd><code>chunks</code> - ordered array of index chunk with cell representations</dd> |
| <dd><code>min</code> - the index of the first cell (usually 0)</dd> |
| <dd><code>max</code> - number of Cells or the index of the cell after the maximal cell</dd> |
| <dd><code>descending</code> - the order of the given array</dd> |
| </dl> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ============ METHOD DETAIL ========== --> |
| <li> |
| <section class="method-details" id="method-detail"> |
| <h2>Method Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="createSubCellFlatMap(int,int,boolean)"> |
| <h3>createSubCellFlatMap</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type"><a href="CellFlatMap.html" title="class in org.apache.hadoop.hbase.regionserver">CellFlatMap</a><<a href="CellChunkMap.html" title="type parameter in CellChunkMap">T</a>></span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/CellChunkMap.html#line-88">createSubCellFlatMap</a></span><wbr><span class="parameters">(int min, |
| int max, |
| boolean descending)</span></div> |
| <div class="block">To be used by base (CellFlatMap) class only to create a sub-CellFlatMap Should be used only to |
| create only CellChunkMap from CellChunkMap</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="CellFlatMap.html#createSubCellFlatMap(int,int,boolean)">createSubCellFlatMap</a></code> in class <code><a href="CellFlatMap.html" title="class in org.apache.hadoop.hbase.regionserver">CellFlatMap</a><<a href="CellChunkMap.html" title="type parameter in CellChunkMap">T</a> extends <a href="../Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getCell(int)"> |
| <h3>getCell</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type"><a href="CellChunkMap.html" title="type parameter in CellChunkMap">T</a></span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/CellChunkMap.html#line-93">getCell</a></span><wbr><span class="parameters">(int i)</span></div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="CellFlatMap.html#getCell(int)">getCell</a></code> in class <code><a href="CellFlatMap.html" title="class in org.apache.hadoop.hbase.regionserver">CellFlatMap</a><<a href="CellChunkMap.html" title="type parameter in CellChunkMap">T</a> extends <a href="../Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>></code></dd> |
| </dl> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </section> |
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