| <!DOCTYPE HTML> |
| <html lang="en"> |
| <head> |
| <!-- Generated by javadoc (17) --> |
| <title>DefaultMemStore (Apache HBase 4.0.0-alpha-1-SNAPSHOT API)</title> |
| <meta name="viewport" content="width=device-width, initial-scale=1"> |
| <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> |
| <meta name="description" content="declaration: package: org.apache.hadoop.hbase.regionserver, class: DefaultMemStore"> |
| <meta name="generator" content="javadoc/ClassWriterImpl"> |
| <link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style"> |
| <link rel="stylesheet" type="text/css" href="../../../../../script-dir/jquery-ui.min.css" title="Style"> |
| <link rel="stylesheet" type="text/css" href="../../../../../jquery-ui.overrides.css" title="Style"> |
| <script type="text/javascript" src="../../../../../script.js"></script> |
| <script type="text/javascript" src="../../../../../script-dir/jquery-3.6.1.min.js"></script> |
| <script type="text/javascript" src="../../../../../script-dir/jquery-ui.min.js"></script> |
| </head> |
| <body class="class-declaration-page"> |
| <script type="text/javascript">var evenRowColor = "even-row-color"; |
| var oddRowColor = "odd-row-color"; |
| var tableTab = "table-tab"; |
| var activeTableTab = "active-table-tab"; |
| var pathtoroot = "../../../../../"; |
| loadScripts(document, 'script');</script> |
| <noscript> |
| <div>JavaScript is disabled on your browser.</div> |
| </noscript> |
| <div class="flex-box"> |
| <header role="banner" class="flex-header"> |
| <nav role="navigation"> |
| <!-- ========= START OF TOP NAVBAR ======= --> |
| <div class="top-nav" id="navbar-top"> |
| <div class="skip-nav"><a href="#skip-navbar-top" title="Skip navigation links">Skip navigation links</a></div> |
| <ul id="navbar-top-firstrow" class="nav-list" title="Navigation"> |
| <li><a href="../../../../../index.html">Overview</a></li> |
| <li><a href="package-summary.html">Package</a></li> |
| <li class="nav-bar-cell1-rev">Class</li> |
| <li><a href="class-use/DefaultMemStore.html">Use</a></li> |
| <li><a href="package-tree.html">Tree</a></li> |
| <li><a href="../../../../../deprecated-list.html">Deprecated</a></li> |
| <li><a href="../../../../../index-all.html">Index</a></li> |
| <li><a href="../../../../../help-doc.html#class">Help</a></li> |
| </ul> |
| </div> |
| <div class="sub-nav"> |
| <div> |
| <ul class="sub-nav-list"> |
| <li>Summary: </li> |
| <li>Nested | </li> |
| <li><a href="#field-summary">Field</a> | </li> |
| <li><a href="#constructor-summary">Constr</a> | </li> |
| <li><a href="#method-summary">Method</a></li> |
| </ul> |
| <ul class="sub-nav-list"> |
| <li>Detail: </li> |
| <li><a href="#field-detail">Field</a> | </li> |
| <li><a href="#constructor-detail">Constr</a> | </li> |
| <li><a href="#method-detail">Method</a></li> |
| </ul> |
| </div> |
| <div class="nav-list-search"><label for="search-input">SEARCH:</label> |
| <input type="text" id="search-input" value="search" disabled="disabled"> |
| <input type="reset" id="reset-button" value="reset" disabled="disabled"> |
| </div> |
| </div> |
| <!-- ========= END OF TOP NAVBAR ========= --> |
| <span class="skip-nav" id="skip-navbar-top"></span></nav> |
| </header> |
| <div class="flex-content"> |
| <main role="main"> |
| <!-- ======== START OF CLASS DATA ======== --> |
| <div class="header"> |
| <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 DefaultMemStore" class="title">Class DefaultMemStore</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="AbstractMemStore.html" title="class in org.apache.hadoop.hbase.regionserver">org.apache.hadoop.hbase.regionserver.AbstractMemStore</a> |
| <div class="inheritance">org.apache.hadoop.hbase.regionserver.DefaultMemStore</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/io/Closeable.html" title="class or interface in java.io" class="external-link">Closeable</a></code>, <code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/AutoCloseable.html" title="class or interface in java.lang" class="external-link">AutoCloseable</a></code>, <code><a href="MemStore.html" title="interface in org.apache.hadoop.hbase.regionserver">MemStore</a></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/DefaultMemStore.html#line-52">DefaultMemStore</a></span> |
| <span class="extends-implements">extends <a href="AbstractMemStore.html" title="class in org.apache.hadoop.hbase.regionserver">AbstractMemStore</a></span></div> |
| <div class="block">The MemStore holds in-memory modifications to the Store. Modifications are <a href="../Cell.html" title="interface in org.apache.hadoop.hbase"><code>Cell</code></a>s. When |
| asked to flush, current memstore is moved to snapshot and is cleared. We continue to serve edits |
| out of new memstore and backing snapshot until flusher reports in that the flush succeeded. At |
| this point we let the snapshot go. |
| <p> |
| The MemStore functions should not be called in parallel. Callers should hold write and read |
| locks. This is done in <a href="HStore.html" title="class in org.apache.hadoop.hbase.regionserver"><code>HStore</code></a>. |
| </p> |
| TODO: Adjust size of the memstore when we remove items because they have been deleted. TODO: With |
| new KVSLS, need to make sure we update HeapSize with difference in KV size.</div> |
| </section> |
| <section class="summary"> |
| <ul class="summary-list"> |
| <!-- =========== 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>static final long</code></div> |
| <div class="col-second even-row-color"><code><a href="#DEEP_OVERHEAD" class="member-name-link">DEEP_OVERHEAD</a></code></div> |
| <div class="col-last even-row-color"> </div> |
| <div class="col-first odd-row-color"><code>static final long</code></div> |
| <div class="col-second odd-row-color"><code><a href="#FIXED_OVERHEAD" class="member-name-link">FIXED_OVERHEAD</a></code></div> |
| <div class="col-last odd-row-color"> </div> |
| <div class="col-first even-row-color"><code>private static final org.slf4j.Logger</code></div> |
| <div class="col-second even-row-color"><code><a href="#LOG" class="member-name-link">LOG</a></code></div> |
| <div class="col-last even-row-color"> </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="fields-inherited-from-class-org.apache.hadoop.hbase.regionserver.AbstractMemStore">Fields inherited from class org.apache.hadoop.hbase.regionserver.<a href="AbstractMemStore.html" title="class in org.apache.hadoop.hbase.regionserver">AbstractMemStore</a></h3> |
| <code><a href="AbstractMemStore.html#regionServices">regionServices</a>, <a href="AbstractMemStore.html#snapshot">snapshot</a>, <a href="AbstractMemStore.html#snapshotId">snapshotId</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()" class="member-name-link">DefaultMemStore</a>()</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Default constructor.</div> |
| </div> |
| <div class="col-constructor-name odd-row-color"><code><a href="#%3Cinit%3E(org.apache.hadoop.conf.Configuration,org.apache.hadoop.hbase.CellComparator)" class="member-name-link">DefaultMemStore</a><wbr>(org.apache.hadoop.conf.Configuration conf, |
| <a href="../CellComparator.html" title="interface in org.apache.hadoop.hbase">CellComparator</a> c)</code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Constructor.</div> |
| </div> |
| <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(org.apache.hadoop.conf.Configuration,org.apache.hadoop.hbase.CellComparator,org.apache.hadoop.hbase.regionserver.RegionServicesForStores)" class="member-name-link">DefaultMemStore</a><wbr>(org.apache.hadoop.conf.Configuration conf, |
| <a href="../CellComparator.html" title="interface in org.apache.hadoop.hbase">CellComparator</a> c, |
| <a href="RegionServicesForStores.html" title="class in org.apache.hadoop.hbase.regionserver">RegionServicesForStores</a> regionServices)</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Constructor.</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-tab1" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab1', 3)" class="table-tab">Static 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><a href="MemStoreSize.html" title="class in org.apache.hadoop.hbase.regionserver">MemStoreSize</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getFlushableSize()" class="member-name-link">getFlushableSize</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Flush will first clear out the data in snapshot if any (It will take a second flush invocation |
| to clear the current Cell set).</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>(package private) <a href="../ExtendedCell.html" title="interface in org.apache.hadoop.hbase">ExtendedCell</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getNextRow(org.apache.hadoop.hbase.ExtendedCell)" class="member-name-link">getNextRow</a><wbr>(<a href="../ExtendedCell.html" title="interface in org.apache.hadoop.hbase">ExtendedCell</a> cell)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="KeyValueScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">KeyValueScanner</a>></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getScanners(long)" class="member-name-link">getScanners</a><wbr>(long readPt)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>protected <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="Segment.html" title="class in org.apache.hadoop.hbase.regionserver">Segment</a>></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getSegments()" class="member-name-link">getSegments</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Returns an ordered list of segments from most recent to oldest in memstore</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>protected <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="Segment.html" title="class in org.apache.hadoop.hbase.regionserver">Segment</a>></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getSnapshotSegments()" class="member-name-link">getSnapshotSegments</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>protected long</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#heapSize()" class="member-name-link">heapSize</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#isSloppy()" class="member-name-link">isSloppy</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>protected long</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#keySize()" class="member-name-link">keySize</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Returns The total size of cells in this memstore.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#main(java.lang.String%5B%5D)" class="member-name-link">main</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>[] args)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Code to help figure if our approximation of object heap sizes is close enough.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>protected void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#postUpdate(org.apache.hadoop.hbase.regionserver.MutableSegment)" class="member-name-link">postUpdate</a><wbr>(<a href="MutableSegment.html" title="class in org.apache.hadoop.hbase.regionserver">MutableSegment</a> currentActive)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Issue any post update synchronization and tests</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>long</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#preFlushSeqIDEstimation()" class="member-name-link">preFlushSeqIDEstimation</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">This method is called before the flush is executed.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>protected boolean</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#preUpdate(org.apache.hadoop.hbase.regionserver.MutableSegment,org.apache.hadoop.hbase.ExtendedCell,org.apache.hadoop.hbase.regionserver.MemStoreSizing)" class="member-name-link">preUpdate</a><wbr>(<a href="MutableSegment.html" title="class in org.apache.hadoop.hbase.regionserver">MutableSegment</a> currentActive, |
| <a href="../ExtendedCell.html" title="interface in org.apache.hadoop.hbase">ExtendedCell</a> cell, |
| <a href="MemStoreSizing.html" title="interface in org.apache.hadoop.hbase.regionserver">MemStoreSizing</a> memstoreSizing)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Issue any synchronization and test needed before applying the update</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="MemStoreSize.html" title="class in org.apache.hadoop.hbase.regionserver">MemStoreSize</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#size()" class="member-name-link">size</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>protected boolean</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#sizeAddedPreOperation()" class="member-name-link">sizeAddedPreOperation</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="MemStoreSnapshot.html" title="class in org.apache.hadoop.hbase.regionserver">MemStoreSnapshot</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#snapshot()" class="member-name-link">snapshot</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Creates a snapshot of the current memstore.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#updateLowestUnflushedSequenceIdInWAL(boolean)" class="member-name-link">updateLowestUnflushedSequenceIdInWAL</a><wbr>(boolean onlyIfMoreRecent)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Updates the wal with the lowest sequence id (oldest entry) that is still in memory</div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-org.apache.hadoop.hbase.regionserver.AbstractMemStore">Methods inherited from class org.apache.hadoop.hbase.regionserver.<a href="AbstractMemStore.html" title="class in org.apache.hadoop.hbase.regionserver">AbstractMemStore</a></h3> |
| <code><a href="AbstractMemStore.html#add(java.lang.Iterable,org.apache.hadoop.hbase.regionserver.MemStoreSizing)">add</a>, <a href="AbstractMemStore.html#add(org.apache.hadoop.hbase.ExtendedCell,org.apache.hadoop.hbase.regionserver.MemStoreSizing)">add</a>, <a href="AbstractMemStore.html#addToScanners(java.util.List,long,java.util.List)">addToScanners</a>, <a href="AbstractMemStore.html#addToScanners(org.apache.hadoop.hbase.regionserver.Segment,long,java.util.List)">addToScanners</a>, <a href="AbstractMemStore.html#clearSnapshot(long)">clearSnapshot</a>, <a href="AbstractMemStore.html#close()">close</a>, <a href="AbstractMemStore.html#doAdd(org.apache.hadoop.hbase.regionserver.MutableSegment,org.apache.hadoop.hbase.ExtendedCell,org.apache.hadoop.hbase.regionserver.MemStoreSizing)">doAdd</a>, <a href="AbstractMemStore.html#doClearSnapShot()">doClearSnapShot</a>, <a href="AbstractMemStore.html#dump(org.slf4j.Logger)">dump</a>, <a href="AbstractMemStore.html#getActive()">getActive</a>, <a href="AbstractMemStore.html#getComparator()">getComparator</a>, <a href="AbstractMemStore.html#getConfiguration()">getConfiguration</a>, <a href="AbstractMemStore.html#getLowest(org.apache.hadoop.hbase.ExtendedCell,org.apache.hadoop.hbase.ExtendedCell)">getLowest</a>, <a href="AbstractMemStore.html#getNextRow(org.apache.hadoop.hbase.ExtendedCell,java.util.NavigableSet)">getNextRow</a>, <a href="AbstractMemStore.html#getSnapshot()">getSnapshot</a>, <a href="AbstractMemStore.html#getSnapshotSize()">getSnapshotSize</a>, <a href="AbstractMemStore.html#resetActive()">resetActive</a>, <a href="AbstractMemStore.html#resetTimeOfOldestEdit()">resetTimeOfOldestEdit</a>, <a href="AbstractMemStore.html#timeOfOldestEdit()">timeOfOldestEdit</a>, <a href="AbstractMemStore.html#toString()">toString</a>, <a href="AbstractMemStore.html#upsert(java.lang.Iterable,long,org.apache.hadoop.hbase.regionserver.MemStoreSizing)">upsert</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#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-org.apache.hadoop.hbase.regionserver.MemStore">Methods inherited from interface org.apache.hadoop.hbase.regionserver.<a href="MemStore.html" title="interface in org.apache.hadoop.hbase.regionserver">MemStore</a></h3> |
| <code><a href="MemStore.html#startReplayingFromWAL()">startReplayingFromWAL</a>, <a href="MemStore.html#stopReplayingFromWAL()">stopReplayingFromWAL</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="LOG"> |
| <h3>LOG</h3> |
| <div class="member-signature"><span class="modifiers">private static final</span> <span class="return-type">org.slf4j.Logger</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/DefaultMemStore.html#line-54">LOG</a></span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="DEEP_OVERHEAD"> |
| <h3>DEEP_OVERHEAD</h3> |
| <div class="member-signature"><span class="modifiers">public static final</span> <span class="return-type">long</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/DefaultMemStore.html#line-56">DEEP_OVERHEAD</a></span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="FIXED_OVERHEAD"> |
| <h3>FIXED_OVERHEAD</h3> |
| <div class="member-signature"><span class="modifiers">public static final</span> <span class="return-type">long</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/DefaultMemStore.html#line-57">FIXED_OVERHEAD</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>()"> |
| <h3>DefaultMemStore</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/DefaultMemStore.html#line-62">DefaultMemStore</a></span>()</div> |
| <div class="block">Default constructor. Used for tests.</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="<init>(org.apache.hadoop.conf.Configuration,org.apache.hadoop.hbase.CellComparator)"> |
| <h3>DefaultMemStore</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/DefaultMemStore.html#line-70">DefaultMemStore</a></span><wbr><span class="parameters">(org.apache.hadoop.conf.Configuration conf, |
| <a href="../CellComparator.html" title="interface in org.apache.hadoop.hbase">CellComparator</a> c)</span></div> |
| <div class="block">Constructor.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>c</code> - Comparator</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="<init>(org.apache.hadoop.conf.Configuration,org.apache.hadoop.hbase.CellComparator,org.apache.hadoop.hbase.regionserver.RegionServicesForStores)"> |
| <h3>DefaultMemStore</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/DefaultMemStore.html#line-78">DefaultMemStore</a></span><wbr><span class="parameters">(org.apache.hadoop.conf.Configuration conf, |
| <a href="../CellComparator.html" title="interface in org.apache.hadoop.hbase">CellComparator</a> c, |
| <a href="RegionServicesForStores.html" title="class in org.apache.hadoop.hbase.regionserver">RegionServicesForStores</a> regionServices)</span></div> |
| <div class="block">Constructor.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>c</code> - Comparator</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="snapshot()"> |
| <h3>snapshot</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="MemStoreSnapshot.html" title="class in org.apache.hadoop.hbase.regionserver">MemStoreSnapshot</a></span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/DefaultMemStore.html#line-87">snapshot</a></span>()</div> |
| <div class="block">Creates a snapshot of the current memstore. Snapshot must be cleared by call to |
| <a href="AbstractMemStore.html#clearSnapshot(long)"><code>AbstractMemStore.clearSnapshot(long)</code></a></div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd><a href="MemStoreSnapshot.html" title="class in org.apache.hadoop.hbase.regionserver"><code>MemStoreSnapshot</code></a></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getFlushableSize()"> |
| <h3>getFlushableSize</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="MemStoreSize.html" title="class in org.apache.hadoop.hbase.regionserver">MemStoreSize</a></span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/DefaultMemStore.html#line-115">getFlushableSize</a></span>()</div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="MemStore.html#getFlushableSize()">MemStore</a></code></span></div> |
| <div class="block">Flush will first clear out the data in snapshot if any (It will take a second flush invocation |
| to clear the current Cell set). If snapshot is empty, current Cell set will be flushed.</div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>On flush, how much memory we will clear.</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="keySize()"> |
| <h3>keySize</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type">long</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/DefaultMemStore.html#line-121">keySize</a></span>()</div> |
| <div class="block"><span class="descfrm-type-label">Description copied from class: <code><a href="AbstractMemStore.html#keySize()">AbstractMemStore</a></code></span></div> |
| <div class="block">Returns The total size of cells in this memstore. We will not consider cells in the snapshot</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="AbstractMemStore.html#keySize()">keySize</a></code> in class <code><a href="AbstractMemStore.html" title="class in org.apache.hadoop.hbase.regionserver">AbstractMemStore</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="heapSize()"> |
| <h3>heapSize</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type">long</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/DefaultMemStore.html#line-126">heapSize</a></span>()</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="AbstractMemStore.html#heapSize()">heapSize</a></code> in class <code><a href="AbstractMemStore.html" title="class in org.apache.hadoop.hbase.regionserver">AbstractMemStore</a></code></dd> |
| <dt>Returns:</dt> |
| <dd>The total heap size of cells in this memstore. We will not consider cells in the |
| snapshot</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getScanners(long)"> |
| <h3>getScanners</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="KeyValueScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">KeyValueScanner</a>></span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/DefaultMemStore.html#line-131">getScanners</a></span><wbr><span class="parameters">(long readPt)</span> |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>scanner over the memstore. This might include scanner over the snapshot when one is |
| present.</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getSnapshotSegments()"> |
| <h3>getSnapshotSegments</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="Segment.html" title="class in org.apache.hadoop.hbase.regionserver">Segment</a>></span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/DefaultMemStore.html#line-143">getSnapshotSegments</a></span>()</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getSegments()"> |
| <h3>getSegments</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="Segment.html" title="class in org.apache.hadoop.hbase.regionserver">Segment</a>></span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/DefaultMemStore.html#line-147">getSegments</a></span>() |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div> |
| <div class="block"><span class="descfrm-type-label">Description copied from class: <code><a href="AbstractMemStore.html#getSegments()">AbstractMemStore</a></code></span></div> |
| <div class="block">Returns an ordered list of segments from most recent to oldest in memstore</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="AbstractMemStore.html#getSegments()">getSegments</a></code> in class <code><a href="AbstractMemStore.html" title="class in org.apache.hadoop.hbase.regionserver">AbstractMemStore</a></code></dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getNextRow(org.apache.hadoop.hbase.ExtendedCell)"> |
| <h3>getNextRow</h3> |
| <div class="member-signature"><span class="return-type"><a href="../ExtendedCell.html" title="interface in org.apache.hadoop.hbase">ExtendedCell</a></span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/DefaultMemStore.html#line-159">getNextRow</a></span><wbr><span class="parameters">(<a href="../ExtendedCell.html" title="interface in org.apache.hadoop.hbase">ExtendedCell</a> cell)</span></div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>cell</code> - Find the row that comes after this one. If null, we return the first.</dd> |
| <dt>Returns:</dt> |
| <dd>Next row or null if none found.</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="updateLowestUnflushedSequenceIdInWAL(boolean)"> |
| <h3>updateLowestUnflushedSequenceIdInWAL</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/DefaultMemStore.html#line-164">updateLowestUnflushedSequenceIdInWAL</a></span><wbr><span class="parameters">(boolean onlyIfMoreRecent)</span></div> |
| <div class="block"><span class="descfrm-type-label">Description copied from class: <code><a href="AbstractMemStore.html#updateLowestUnflushedSequenceIdInWAL(boolean)">AbstractMemStore</a></code></span></div> |
| <div class="block">Updates the wal with the lowest sequence id (oldest entry) that is still in memory</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="AbstractMemStore.html#updateLowestUnflushedSequenceIdInWAL(boolean)">updateLowestUnflushedSequenceIdInWAL</a></code> in class <code><a href="AbstractMemStore.html" title="class in org.apache.hadoop.hbase.regionserver">AbstractMemStore</a></code></dd> |
| <dt>Parameters:</dt> |
| <dd><code>onlyIfMoreRecent</code> - a flag that marks whether to update the sequence id no matter what or |
| only if it is greater than the previous sequence id</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="preUpdate(org.apache.hadoop.hbase.regionserver.MutableSegment,org.apache.hadoop.hbase.ExtendedCell,org.apache.hadoop.hbase.regionserver.MemStoreSizing)"> |
| <h3>preUpdate</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type">boolean</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/DefaultMemStore.html#line-168">preUpdate</a></span><wbr><span class="parameters">(<a href="MutableSegment.html" title="class in org.apache.hadoop.hbase.regionserver">MutableSegment</a> currentActive, |
| <a href="../ExtendedCell.html" title="interface in org.apache.hadoop.hbase">ExtendedCell</a> cell, |
| <a href="MemStoreSizing.html" title="interface in org.apache.hadoop.hbase.regionserver">MemStoreSizing</a> memstoreSizing)</span></div> |
| <div class="block"><span class="descfrm-type-label">Description copied from class: <code><a href="AbstractMemStore.html#preUpdate(org.apache.hadoop.hbase.regionserver.MutableSegment,org.apache.hadoop.hbase.ExtendedCell,org.apache.hadoop.hbase.regionserver.MemStoreSizing)">AbstractMemStore</a></code></span></div> |
| <div class="block">Issue any synchronization and test needed before applying the update</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="AbstractMemStore.html#preUpdate(org.apache.hadoop.hbase.regionserver.MutableSegment,org.apache.hadoop.hbase.ExtendedCell,org.apache.hadoop.hbase.regionserver.MemStoreSizing)">preUpdate</a></code> in class <code><a href="AbstractMemStore.html" title="class in org.apache.hadoop.hbase.regionserver">AbstractMemStore</a></code></dd> |
| <dt>Parameters:</dt> |
| <dd><code>currentActive</code> - the segment to be updated</dd> |
| <dd><code>cell</code> - the cell to be added</dd> |
| <dd><code>memstoreSizing</code> - object to accumulate region size changes</dd> |
| <dt>Returns:</dt> |
| <dd>true iff can proceed with applying the update</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="postUpdate(org.apache.hadoop.hbase.regionserver.MutableSegment)"> |
| <h3>postUpdate</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/DefaultMemStore.html#line-174">postUpdate</a></span><wbr><span class="parameters">(<a href="MutableSegment.html" title="class in org.apache.hadoop.hbase.regionserver">MutableSegment</a> currentActive)</span></div> |
| <div class="block"><span class="descfrm-type-label">Description copied from class: <code><a href="AbstractMemStore.html#postUpdate(org.apache.hadoop.hbase.regionserver.MutableSegment)">AbstractMemStore</a></code></span></div> |
| <div class="block">Issue any post update synchronization and tests</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="AbstractMemStore.html#postUpdate(org.apache.hadoop.hbase.regionserver.MutableSegment)">postUpdate</a></code> in class <code><a href="AbstractMemStore.html" title="class in org.apache.hadoop.hbase.regionserver">AbstractMemStore</a></code></dd> |
| <dt>Parameters:</dt> |
| <dd><code>currentActive</code> - updated segment</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="sizeAddedPreOperation()"> |
| <h3>sizeAddedPreOperation</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type">boolean</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/DefaultMemStore.html#line-179">sizeAddedPreOperation</a></span>()</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="AbstractMemStore.html#sizeAddedPreOperation()">sizeAddedPreOperation</a></code> in class <code><a href="AbstractMemStore.html" title="class in org.apache.hadoop.hbase.regionserver">AbstractMemStore</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="size()"> |
| <h3>size</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="MemStoreSize.html" title="class in org.apache.hadoop.hbase.regionserver">MemStoreSize</a></span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/DefaultMemStore.html#line-184">size</a></span>()</div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>Total memory occupied by this MemStore. This won't include any size occupied by the |
| snapshot. We assume the snapshot will get cleared soon. This is not thread safe and the |
| memstore may be changed while computing its size. It is the responsibility of the |
| caller to make sure this doesn't happen.</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="preFlushSeqIDEstimation()"> |
| <h3>preFlushSeqIDEstimation</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">long</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/DefaultMemStore.html#line-189">preFlushSeqIDEstimation</a></span>()</div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="MemStore.html#preFlushSeqIDEstimation()">MemStore</a></code></span></div> |
| <div class="block">This method is called before the flush is executed.</div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>an estimation (lower bound) of the unflushed sequence id in memstore after the flush is |
| executed. if memstore will be cleared returns <code>HConstants.NO_SEQNUM</code>.</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="isSloppy()"> |
| <h3>isSloppy</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">boolean</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/DefaultMemStore.html#line-194">isSloppy</a></span>()</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="main(java.lang.String[])"> |
| <h3>main</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/DefaultMemStore.html#line-205">main</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>[] args)</span></div> |
| <div class="block">Code to help figure if our approximation of object heap sizes is close enough. See hbase-900. |
| Fills memstores then waits so user can heap dump and bring up resultant hprof in something like |
| jprofiler which allows you get 'deep size' on objects.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>args</code> - main args</dd> |
| </dl> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <!-- ========= END OF CLASS DATA ========= --> |
| </main> |
| <footer role="contentinfo"> |
| <hr> |
| <p class="legal-copy"><small>Copyright © 2007–2020 <a href="https://www.apache.org/">The Apache Software Foundation</a>. All rights reserved.</small></p> |
| </footer> |
| </div> |
| </div> |
| </body> |
| </html> |