devapidocs/org/apache/hadoop/hbase/util/package-summary.html - hbase-site - Git at Google

 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
 <!-- NewPage -->
 <html lang="en">
 <head>
 <!-- Generated by javadoc -->
 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
 <title>org.apache.hadoop.hbase.util (Apache HBase 3.0.0-alpha-2-SNAPSHOT API)</title>
 <link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style">
 <script type="text/javascript" src="../../../../../script.js"></script>
 </head>
 <body>
 <script type="text/javascript"><!--
     try {
         if (location.href.indexOf('is-external=true') == -1) {
             parent.document.title="org.apache.hadoop.hbase.util (Apache HBase 3.0.0-alpha-2-SNAPSHOT API)";
         }
     }
     catch(err) {
     }
 //-->
 </script>
 <noscript>
 <div>JavaScript is disabled on your browser.</div>
 </noscript>
 <!-- ========= START OF TOP NAVBAR ======= -->
 <div class="topNav"><a name="navbar.top">
 <!--   -->
 </a>
 <div class="skipNav"><a href="#skip.navbar.top" title="Skip navigation links">Skip navigation links</a></div>
 <a name="navbar.top.firstrow">
 <!--   -->
 </a>
 <ul class="navList" title="Navigation">
 <li><a href="../../../../../overview-summary.html">Overview</a></li>
 <li class="navBarCell1Rev">Package</li>
 <li>Class</li>
 <li><a href="package-use.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">Help</a></li>
 </ul>
 </div>
 <div class="subNav">
 <ul class="navList">
 <li><a href="../../../../../org/apache/hadoop/hbase/types/package-summary.html">Prev&nbsp;Package</a></li>
 <li><a href="../../../../../org/apache/hadoop/hbase/util/compaction/package-summary.html">Next&nbsp;Package</a></li>
 </ul>
 <ul class="navList">
 <li><a href="../../../../../index.html?org/apache/hadoop/hbase/util/package-summary.html" target="_top">Frames</a></li>
 <li><a href="package-summary.html" target="_top">No&nbsp;Frames</a></li>
 </ul>
 <ul class="navList" id="allclasses_navbar_top">
 <li><a href="../../../../../allclasses-noframe.html">All&nbsp;Classes</a></li>
 </ul>
 <div>
 <script type="text/javascript"><!--
   allClassesLink = document.getElementById("allclasses_navbar_top");
   if(window==top) {
     allClassesLink.style.display = "block";
   }
   else {
     allClassesLink.style.display = "none";
   }
   //-->
 </script>
 </div>
 <a name="skip.navbar.top">
 <!--   -->
 </a></div>
 <!-- ========= END OF TOP NAVBAR ========= -->
 <div class="header">
 <h1 title="Package" class="title">Package&nbsp;org.apache.hadoop.hbase.util</h1>
 </div>
 <div class="contentContainer">
 <ul class="blockList">
 <li class="blockList">
 <table class="typeSummary" border="0" cellpadding="3" cellspacing="0" summary="Interface Summary table, listing interfaces, and an explanation">
 <caption><span>Interface Summary</span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Interface</th>
 <th class="colLast" scope="col">Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/Addressing.AddressSelectionCondition.html" title="interface in org.apache.hadoop.hbase.util">Addressing.AddressSelectionCondition</a></td>
 <td class="colLast">
 <div class="block">Interface for AddressSelectionCondition to check if address is acceptable</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/AvlUtil.AvlInsertOrReplace.html" title="interface in org.apache.hadoop.hbase.util">AvlUtil.AvlInsertOrReplace</a>&lt;TNode extends <a href="../../../../../org/apache/hadoop/hbase/util/AvlUtil.AvlNode.html" title="class in org.apache.hadoop.hbase.util">AvlUtil.AvlNode</a>&gt;</td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/AvlUtil.AvlKeyComparator.html" title="interface in org.apache.hadoop.hbase.util">AvlUtil.AvlKeyComparator</a>&lt;TNode extends <a href="../../../../../org/apache/hadoop/hbase/util/AvlUtil.AvlNode.html" title="class in org.apache.hadoop.hbase.util">AvlUtil.AvlNode</a>&gt;</td>
 <td class="colLast">
 <div class="block">The AvlTree allows to lookup an object using a custom key.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/AvlUtil.AvlNodeVisitor.html" title="interface in org.apache.hadoop.hbase.util">AvlUtil.AvlNodeVisitor</a>&lt;TNode extends <a href="../../../../../org/apache/hadoop/hbase/util/AvlUtil.AvlNode.html" title="class in org.apache.hadoop.hbase.util">AvlUtil.AvlNode</a>&gt;</td>
 <td class="colLast">
 <div class="block">Visitor that allows to traverse a set of AvlNodes.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/BloomFilter.html" title="interface in org.apache.hadoop.hbase.util">BloomFilter</a></td>
 <td class="colLast">
 <div class="block">Implements a <i>Bloom filter</i>, as defined by Bloom in 1970.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/BloomFilterBase.html" title="interface in org.apache.hadoop.hbase.util">BloomFilterBase</a></td>
 <td class="colLast">
 <div class="block">Common methods Bloom filter methods required at read and write time.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/BloomFilterWriter.html" title="interface in org.apache.hadoop.hbase.util">BloomFilterWriter</a></td>
 <td class="colLast">
 <div class="block">Specifies methods needed to add elements to a Bloom filter and serialize the
  resulting Bloom filter as a sequence of bytes.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ByteBufferAllocator.html" title="interface in org.apache.hadoop.hbase.util">ByteBufferAllocator</a></td>
 <td class="colLast">
 <div class="block">Defines the way the ByteBuffers are created</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ByteBufferUtils.ByteVisitor.html" title="interface in org.apache.hadoop.hbase.util">ByteBufferUtils.ByteVisitor</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ByteRange.html" title="interface in org.apache.hadoop.hbase.util">ByteRange</a></td>
 <td class="colLast">
 <div class="block">Lightweight, reusable class for specifying ranges of byte[]'s.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/Bytes.Comparer.html" title="interface in org.apache.hadoop.hbase.util">Bytes.Comparer</a>&lt;T&gt;</td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/CancelableProgressable.html" title="interface in org.apache.hadoop.hbase.util">CancelableProgressable</a></td>
 <td class="colLast">
 <div class="block">Similar interface as <code>Progressable</code> but returns
  a boolean to support canceling the operation.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ConcurrentMapUtils.IOExceptionSupplier.html" title="interface in org.apache.hadoop.hbase.util">ConcurrentMapUtils.IOExceptionSupplier</a>&lt;V&gt;</td>
 <td class="colLast">
 <div class="block">A supplier that throws IOException when get.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/EnvironmentEdge.html" title="interface in org.apache.hadoop.hbase.util">EnvironmentEdge</a></td>
 <td class="colLast">
 <div class="block">Has some basic interaction with the environment.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/FileStatusFilter.html" title="interface in org.apache.hadoop.hbase.util">FileStatusFilter</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.ProgressReporter.html" title="interface in org.apache.hadoop.hbase.util">FSUtils.ProgressReporter</a></td>
 <td class="colLast">
 <div class="block">Called every so-often by storefile map builder getTableStoreFilePathMap to
  report progress.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/FSVisitor.StoreFileVisitor.html" title="interface in org.apache.hadoop.hbase.util">FSVisitor.StoreFileVisitor</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/HbckErrorReporter.html" title="interface in org.apache.hadoop.hbase.util">HbckErrorReporter</a></td>
 <td class="colLast">Deprecated
 <div class="block"><span class="deprecationComment">Since 2.3.0.</span></div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/JSONBean.Writer.html" title="interface in org.apache.hadoop.hbase.util">JSONBean.Writer</a></td>
 <td class="colLast">
 <div class="block">Use dumping out mbeans as JSON.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/KeyRange.html" title="interface in org.apache.hadoop.hbase.util">KeyRange</a></td>
 <td class="colLast">
 <div class="block">A key range use in split coverage.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/LossyCounting.LossyCountingListener.html" title="interface in org.apache.hadoop.hbase.util">LossyCounting.LossyCountingListener</a>&lt;T&gt;</td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ModifyRegionUtils.RegionEditTask.html" title="interface in org.apache.hadoop.hbase.util">ModifyRegionUtils.RegionEditTask</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ModifyRegionUtils.RegionFillTask.html" title="interface in org.apache.hadoop.hbase.util">ModifyRegionUtils.RegionFillTask</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ObjectPool.ObjectFactory.html" title="interface in org.apache.hadoop.hbase.util">ObjectPool.ObjectFactory</a>&lt;K,V&gt;</td>
 <td class="colLast">
 <div class="block">An <code>ObjectFactory</code> object is used to create
  new shared objects on demand.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/PoolMap.Pool.html" title="interface in org.apache.hadoop.hbase.util">PoolMap.Pool</a>&lt;R&gt;</td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/PoolMap.PoolResourceSupplier.html" title="interface in org.apache.hadoop.hbase.util">PoolMap.PoolResourceSupplier</a>&lt;R&gt;</td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/PositionedByteRange.html" title="interface in org.apache.hadoop.hbase.util">PositionedByteRange</a></td>
 <td class="colLast">
 <div class="block">
  Extends <a href="../../../../../org/apache/hadoop/hbase/util/ByteRange.html" title="interface in org.apache.hadoop.hbase.util"><code>ByteRange</code></a> with additional methods to support tracking a
  consumers position within the viewport.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/RegionSplitter.SplitAlgorithm.html" title="interface in org.apache.hadoop.hbase.util">RegionSplitter.SplitAlgorithm</a></td>
 <td class="colLast">
 <div class="block">A generic interface for the RegionSplitter code to use for all it's
  functionality.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/TimeMeasurable.html" title="interface in org.apache.hadoop.hbase.util">TimeMeasurable</a>&lt;T&gt;</td>
 <td class="colLast">
 <div class="block">Methods that implement this interface can be measured elapsed time.</div>
 </td>
 </tr>
 </tbody>
 </table>
 </li>
 <li class="blockList">
 <table class="typeSummary" border="0" cellpadding="3" cellspacing="0" summary="Class Summary table, listing classes, and an explanation">
 <caption><span>Class Summary</span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Class</th>
 <th class="colLast" scope="col">Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/AbstractByteRange.html" title="class in org.apache.hadoop.hbase.util">AbstractByteRange</a></td>
 <td class="colLast">
 <div class="block">An abstract implementation of the ByteRange API</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/AbstractFileStatusFilter.html" title="class in org.apache.hadoop.hbase.util">AbstractFileStatusFilter</a></td>
 <td class="colLast">
 <div class="block">Typical base class for file status filter.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/AbstractHBaseTool.html" title="class in org.apache.hadoop.hbase.util">AbstractHBaseTool</a></td>
 <td class="colLast">
 <div class="block">Common base class used for HBase command-line tools.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/AbstractPositionedByteRange.html" title="class in org.apache.hadoop.hbase.util">AbstractPositionedByteRange</a></td>
 <td class="colLast">
 <div class="block">Extends the basic <a href="../../../../../org/apache/hadoop/hbase/util/SimpleByteRange.html" title="class in org.apache.hadoop.hbase.util"><code>SimpleByteRange</code></a> implementation with position
  support.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/Addressing.html" title="class in org.apache.hadoop.hbase.util">Addressing</a></td>
 <td class="colLast">
 <div class="block">Utility for network addresses, resolving and naming.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/AtomicUtils.html" title="class in org.apache.hadoop.hbase.util">AtomicUtils</a></td>
 <td class="colLast">
 <div class="block">Utilities related to atomic operations.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/AvlUtil.html" title="class in org.apache.hadoop.hbase.util">AvlUtil</a></td>
 <td class="colLast">
 <div class="block">Helper class that allows to create and manipulate an AvlTree.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/AvlUtil.AvlIterableList.html" title="class in org.apache.hadoop.hbase.util">AvlUtil.AvlIterableList</a></td>
 <td class="colLast">
 <div class="block">Helper class that allows to create and manipulate a linked list of AvlLinkedNodes</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/AvlUtil.AvlLinkedNode.html" title="class in org.apache.hadoop.hbase.util">AvlUtil.AvlLinkedNode</a>&lt;TNode extends <a href="../../../../../org/apache/hadoop/hbase/util/AvlUtil.AvlLinkedNode.html" title="class in org.apache.hadoop.hbase.util">AvlUtil.AvlLinkedNode</a>&gt;</td>
 <td class="colLast">
 <div class="block">This class extends the AvlNode and adds two links that will be used in conjunction
  with the AvlIterableList class.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/AvlUtil.AvlNode.html" title="class in org.apache.hadoop.hbase.util">AvlUtil.AvlNode</a>&lt;TNode extends <a href="../../../../../org/apache/hadoop/hbase/util/AvlUtil.AvlNode.html" title="class in org.apache.hadoop.hbase.util">AvlUtil.AvlNode</a>&gt;</td>
 <td class="colLast">
 <div class="block">This class represent a node that will be used in an AvlTree.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/AvlUtil.AvlTree.html" title="class in org.apache.hadoop.hbase.util">AvlUtil.AvlTree</a></td>
 <td class="colLast">
 <div class="block">Helper class that allows to create and manipulate an AVL Tree</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/AvlUtil.AvlTreeIterator.html" title="class in org.apache.hadoop.hbase.util">AvlUtil.AvlTreeIterator</a>&lt;TNode extends <a href="../../../../../org/apache/hadoop/hbase/util/AvlUtil.AvlNode.html" title="class in org.apache.hadoop.hbase.util">AvlUtil.AvlNode</a>&gt;</td>
 <td class="colLast">
 <div class="block">Iterator for the AvlTree</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/BloomContext.html" title="class in org.apache.hadoop.hbase.util">BloomContext</a></td>
 <td class="colLast">
 <div class="block">The bloom context that is used by the StorefileWriter to add the bloom details
  per cell</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/BloomFilterChunk.html" title="class in org.apache.hadoop.hbase.util">BloomFilterChunk</a></td>
 <td class="colLast">
 <div class="block">The basic building block for the <a href="../../../../../org/apache/hadoop/hbase/io/hfile/CompoundBloomFilter.html" title="class in org.apache.hadoop.hbase.io.hfile"><code>CompoundBloomFilter</code></a></div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/BloomFilterFactory.html" title="class in org.apache.hadoop.hbase.util">BloomFilterFactory</a></td>
 <td class="colLast">
 <div class="block">Handles Bloom filter initialization based on configuration and serialized metadata in the reader
  and writer of <a href="../../../../../org/apache/hadoop/hbase/regionserver/HStoreFile.html" title="class in org.apache.hadoop.hbase.regionserver"><code>HStoreFile</code></a>.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/BloomFilterUtil.html" title="class in org.apache.hadoop.hbase.util">BloomFilterUtil</a></td>
 <td class="colLast">
 <div class="block">Utility methods related to BloomFilters</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/BoundedCompletionService.html" title="class in org.apache.hadoop.hbase.util">BoundedCompletionService</a>&lt;V&gt;</td>
 <td class="colLast">
 <div class="block">A completion service, close to the one available in the JDK 1.7
  However, this ones keeps the list of the future, and allows to cancel them all.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/BoundedPriorityBlockingQueue.html" title="class in org.apache.hadoop.hbase.util">BoundedPriorityBlockingQueue</a>&lt;E&gt;</td>
 <td class="colLast">
 <div class="block">A generic bounded blocking Priority-Queue.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/BoundedPriorityBlockingQueue.PriorityQueue.html" title="class in org.apache.hadoop.hbase.util">BoundedPriorityBlockingQueue.PriorityQueue</a>&lt;E&gt;</td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ByteArrayHashKey.html" title="class in org.apache.hadoop.hbase.util">ByteArrayHashKey</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ByteBufferArray.html" title="class in org.apache.hadoop.hbase.util">ByteBufferArray</a></td>
 <td class="colLast">
 <div class="block">This class manages an array of ByteBuffers with a default size 4MB.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ByteBufferUtils.html" title="class in org.apache.hadoop.hbase.util">ByteBufferUtils</a></td>
 <td class="colLast">
 <div class="block">Utility functions for working with byte buffers, such as reading/writing
  variable-length long numbers.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ByteBufferUtils.Comparer.html" title="class in org.apache.hadoop.hbase.util">ByteBufferUtils.Comparer</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ByteBufferUtils.ComparerHolder.html" title="class in org.apache.hadoop.hbase.util">ByteBufferUtils.ComparerHolder</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ByteBufferUtils.ComparerHolder.PureJavaComparer.html" title="class in org.apache.hadoop.hbase.util">ByteBufferUtils.ComparerHolder.PureJavaComparer</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ByteBufferUtils.ComparerHolder.UnsafeComparer.html" title="class in org.apache.hadoop.hbase.util">ByteBufferUtils.ComparerHolder.UnsafeComparer</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ByteBufferUtils.Converter.html" title="class in org.apache.hadoop.hbase.util">ByteBufferUtils.Converter</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ByteBufferUtils.ConverterHolder.html" title="class in org.apache.hadoop.hbase.util">ByteBufferUtils.ConverterHolder</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ByteBufferUtils.ConverterHolder.PureJavaConverter.html" title="class in org.apache.hadoop.hbase.util">ByteBufferUtils.ConverterHolder.PureJavaConverter</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ByteBufferUtils.ConverterHolder.UnsafeConverter.html" title="class in org.apache.hadoop.hbase.util">ByteBufferUtils.ConverterHolder.UnsafeConverter</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ByteRangeUtils.html" title="class in org.apache.hadoop.hbase.util">ByteRangeUtils</a></td>
 <td class="colLast">
 <div class="block">Utility methods for working with <a href="../../../../../org/apache/hadoop/hbase/util/ByteRange.html" title="interface in org.apache.hadoop.hbase.util"><code>ByteRange</code></a>.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/Bytes.html" title="class in org.apache.hadoop.hbase.util">Bytes</a></td>
 <td class="colLast">
 <div class="block">Utility class that handles byte arrays, conversions to/from other types,
  comparisons, hash code generation, manufacturing keys for HashMaps or
  HashSets, and can be used as key in maps or trees.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/Bytes.ByteArrayComparator.html" title="class in org.apache.hadoop.hbase.util">Bytes.ByteArrayComparator</a></td>
 <td class="colLast">
 <div class="block">Byte array comparator class.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/Bytes.Converter.html" title="class in org.apache.hadoop.hbase.util">Bytes.Converter</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/Bytes.ConverterHolder.html" title="class in org.apache.hadoop.hbase.util">Bytes.ConverterHolder</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/Bytes.ConverterHolder.PureJavaConverter.html" title="class in org.apache.hadoop.hbase.util">Bytes.ConverterHolder.PureJavaConverter</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/Bytes.ConverterHolder.UnsafeConverter.html" title="class in org.apache.hadoop.hbase.util">Bytes.ConverterHolder.UnsafeConverter</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/Bytes.LexicographicalComparerHolder.html" title="class in org.apache.hadoop.hbase.util">Bytes.LexicographicalComparerHolder</a></td>
 <td class="colLast">
 <div class="block">Provides a lexicographical comparer implementation; either a Java
  implementation or a faster implementation based on <code>Unsafe</code>.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/Bytes.RowEndKeyComparator.html" title="class in org.apache.hadoop.hbase.util">Bytes.RowEndKeyComparator</a></td>
 <td class="colLast">
 <div class="block">A <a href="../../../../../org/apache/hadoop/hbase/util/Bytes.ByteArrayComparator.html" title="class in org.apache.hadoop.hbase.util"><code>Bytes.ByteArrayComparator</code></a> that treats the empty array as the largest value.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/CellHashKey.html" title="class in org.apache.hadoop.hbase.util">CellHashKey</a></td>
 <td class="colLast">
 <div class="block">Extracts the byte for the hash calculation from the given cell</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/Classes.html" title="class in org.apache.hadoop.hbase.util">Classes</a></td>
 <td class="colLast">
 <div class="block">Utilities for class manipulation.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ClassLoaderBase.html" title="class in org.apache.hadoop.hbase.util">ClassLoaderBase</a></td>
 <td class="colLast">
 <div class="block">Base class loader that defines couple shared constants used by sub-classes.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ClassSize.html" title="class in org.apache.hadoop.hbase.util">ClassSize</a></td>
 <td class="colLast">
 <div class="block">Class for determining the "size" of a class, an attempt to calculate the
  actual bytes that an object of this class will occupy in memory

  The core of this class is taken from the Derby project</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ClassSize.MemoryLayout.html" title="class in org.apache.hadoop.hbase.util">ClassSize.MemoryLayout</a></td>
 <td class="colLast">
 <div class="block">MemoryLayout abstracts details about the JVM object layout.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ClassSize.UnsafeLayout.html" title="class in org.apache.hadoop.hbase.util">ClassSize.UnsafeLayout</a></td>
 <td class="colLast">
 <div class="block">UnsafeLayout uses Unsafe to guesstimate the object-layout related parameters like object header
  sizes and oop sizes
  See HBASE-15950.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ClassSize.UnsafeLayout.HeaderSize.html" title="class in org.apache.hadoop.hbase.util">ClassSize.UnsafeLayout.HeaderSize</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ClientUtils.html" title="class in org.apache.hadoop.hbase.util">ClientUtils</a></td>
 <td class="colLast">
 <div class="block">Common Utility class for clients</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/CollectionBackedScanner.html" title="class in org.apache.hadoop.hbase.util">CollectionBackedScanner</a></td>
 <td class="colLast">
 <div class="block">Utility scanner that wraps a sortable collection and serves as a KeyValueScanner.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/CommonFSUtils.html" title="class in org.apache.hadoop.hbase.util">CommonFSUtils</a></td>
 <td class="colLast">
 <div class="block">Utility methods for interacting with the underlying file system.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/CommonFSUtils.DfsBuilderUtility.html" title="class in org.apache.hadoop.hbase.util">CommonFSUtils.DfsBuilderUtility</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/CompressionTest.html" title="class in org.apache.hadoop.hbase.util">CompressionTest</a></td>
 <td class="colLast">
 <div class="block">Compression validation test.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ConcatenatedLists.html" title="class in org.apache.hadoop.hbase.util">ConcatenatedLists</a>&lt;T&gt;</td>
 <td class="colLast">
 <div class="block">A collection class that contains multiple sub-lists, which allows us to not copy lists.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ConcurrentMapUtils.html" title="class in org.apache.hadoop.hbase.util">ConcurrentMapUtils</a></td>
 <td class="colLast">
 <div class="block">Utility methods for dealing with Collections, including treating null collections as empty.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ConfigurationUtil.html" title="class in org.apache.hadoop.hbase.util">ConfigurationUtil</a></td>
 <td class="colLast">
 <div class="block">Utilities for storing more complex collection types in
  <code>Configuration</code> instances.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ConnectionCache.html" title="class in org.apache.hadoop.hbase.util">ConnectionCache</a></td>
 <td class="colLast">
 <div class="block">A utility to store user specific HConnections in memory.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/CoprocessorClassLoader.html" title="class in org.apache.hadoop.hbase.util">CoprocessorClassLoader</a></td>
 <td class="colLast">
 <div class="block">ClassLoader used to load classes for Coprocessor instances.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/DefaultEnvironmentEdge.html" title="class in org.apache.hadoop.hbase.util">DefaultEnvironmentEdge</a></td>
 <td class="colLast">
 <div class="block">Default implementation of an environment edge.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/DirectMemoryUtils.html" title="class in org.apache.hadoop.hbase.util">DirectMemoryUtils</a></td>
 <td class="colLast">
 <div class="block">Utilities for interacting with and monitoring DirectByteBuffer allocations.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/DNS.html" title="class in org.apache.hadoop.hbase.util">DNS</a></td>
 <td class="colLast">
 <div class="block">Wrapper around Hadoop's DNS class to hide reflection.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/DynamicClassLoader.html" title="class in org.apache.hadoop.hbase.util">DynamicClassLoader</a></td>
 <td class="colLast">
 <div class="block">This is a class loader that can load classes dynamically from new
  jar files under a configured folder.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/EncryptionTest.html" title="class in org.apache.hadoop.hbase.util">EncryptionTest</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/EnvironmentEdgeManager.html" title="class in org.apache.hadoop.hbase.util">EnvironmentEdgeManager</a></td>
 <td class="colLast">
 <div class="block">Manages a singleton instance of the environment edge.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ExceptionUtil.html" title="class in org.apache.hadoop.hbase.util">ExceptionUtil</a></td>
 <td class="colLast">
 <div class="block">This class handles the different interruption classes.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ExponentialMovingAverage.html" title="class in org.apache.hadoop.hbase.util">ExponentialMovingAverage</a></td>
 <td class="colLast">
 <div class="block">EMA is similar to <a href="../../../../../org/apache/hadoop/hbase/util/WeightedMovingAverage.html" title="class in org.apache.hadoop.hbase.util"><code>WeightedMovingAverage</code></a> in weighted, but the weighting factor decrease
  exponentially.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/FSRegionScanner.html" title="class in org.apache.hadoop.hbase.util">FSRegionScanner</a></td>
 <td class="colLast">
 <div class="block">Thread that walks over the filesystem, and computes the mappings
  Region -> BestHost and Region -> <code>Map&lt;HostName, fractional-locality-of-region&gt;</code></div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/FSTableDescriptors.html" title="class in org.apache.hadoop.hbase.util">FSTableDescriptors</a></td>
 <td class="colLast">
 <div class="block">Implementation of <a href="../../../../../org/apache/hadoop/hbase/TableDescriptors.html" title="interface in org.apache.hadoop.hbase"><code>TableDescriptors</code></a> that reads descriptors from the
  passed filesystem.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html" title="class in org.apache.hadoop.hbase.util">FSUtils</a></td>
 <td class="colLast">
 <div class="block">Utility methods for interacting with the underlying file system.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.BlackListDirFilter.html" title="class in org.apache.hadoop.hbase.util">FSUtils.BlackListDirFilter</a></td>
 <td class="colLast">
 <div class="block">Directory filter that doesn't include any of the directories in the specified blacklist</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.DirFilter.html" title="class in org.apache.hadoop.hbase.util">FSUtils.DirFilter</a></td>
 <td class="colLast">
 <div class="block">A <code>PathFilter</code> that only allows directories.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.FamilyDirFilter.html" title="class in org.apache.hadoop.hbase.util">FSUtils.FamilyDirFilter</a></td>
 <td class="colLast">
 <div class="block">Filter for all dirs that are legal column family names.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.FileFilter.html" title="class in org.apache.hadoop.hbase.util">FSUtils.FileFilter</a></td>
 <td class="colLast">
 <div class="block">A <code>PathFilter</code> that returns only regular files.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.HFileFilter.html" title="class in org.apache.hadoop.hbase.util">FSUtils.HFileFilter</a></td>
 <td class="colLast">
 <div class="block">Filter for HFiles that excludes reference files.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.HFileLinkFilter.html" title="class in org.apache.hadoop.hbase.util">FSUtils.HFileLinkFilter</a></td>
 <td class="colLast">
 <div class="block">Filter for HFileLinks (StoreFiles and HFiles not included).</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.ReferenceFileFilter.html" title="class in org.apache.hadoop.hbase.util">FSUtils.ReferenceFileFilter</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.RegionDirFilter.html" title="class in org.apache.hadoop.hbase.util">FSUtils.RegionDirFilter</a></td>
 <td class="colLast">
 <div class="block">Filter for all dirs that don't start with '.'</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.UserTableDirFilter.html" title="class in org.apache.hadoop.hbase.util">FSUtils.UserTableDirFilter</a></td>
 <td class="colLast">
 <div class="block">A <code>PathFilter</code> that returns usertable directories.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/FSVisitor.html" title="class in org.apache.hadoop.hbase.util">FSVisitor</a></td>
 <td class="colLast">
 <div class="block">Utility methods for interacting with the hbase.root file system.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/FutureUtils.html" title="class in org.apache.hadoop.hbase.util">FutureUtils</a></td>
 <td class="colLast">
 <div class="block">Helper class for processing futures.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/GetJavaProperty.html" title="class in org.apache.hadoop.hbase.util">GetJavaProperty</a></td>
 <td class="colLast">
 <div class="block">A generic way for querying Java properties.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/GsonUtil.html" title="class in org.apache.hadoop.hbase.util">GsonUtil</a></td>
 <td class="colLast">
 <div class="block">Helper class for gson.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/Hash.html" title="class in org.apache.hadoop.hbase.util">Hash</a></td>
 <td class="colLast">
 <div class="block">This class represents a common API for hashing functions.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/HashedBytes.html" title="class in org.apache.hadoop.hbase.util">HashedBytes</a></td>
 <td class="colLast">
 <div class="block">This class encapsulates a byte array and overrides hashCode and equals so
  that it's identity is based on the data rather than the array instance.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/HashKey.html" title="class in org.apache.hadoop.hbase.util">HashKey</a>&lt;T&gt;</td>
 <td class="colLast">
 <div class="block">Used to calculate the hash <a href="../../../../../org/apache/hadoop/hbase/util/Hash.html" title="class in org.apache.hadoop.hbase.util"><code>Hash</code></a> algorithms for Bloomfilters.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/HBaseConfTool.html" title="class in org.apache.hadoop.hbase.util">HBaseConfTool</a></td>
 <td class="colLast">
 <div class="block">Tool that prints out a configuration.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/HBaseFsck.html" title="class in org.apache.hadoop.hbase.util">HBaseFsck</a></td>
 <td class="colLast">Deprecated
 <div class="block"><span class="deprecationComment">For removal in hbase-4.0.0.</span></div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/HBaseFsck.FileLockCallable.html" title="class in org.apache.hadoop.hbase.util">HBaseFsck.FileLockCallable</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/HBaseFsck.HBaseFsckTool.html" title="class in org.apache.hadoop.hbase.util">HBaseFsck.HBaseFsckTool</a></td>
 <td class="colLast">
 <div class="block">This is a Tool wrapper that gathers -Dxxx=yyy configuration settings from the command line.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/HBaseFsck.PrintingErrorReporter.html" title="class in org.apache.hadoop.hbase.util">HBaseFsck.PrintingErrorReporter</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/HBaseFsck.RegionBoundariesInformation.html" title="class in org.apache.hadoop.hbase.util">HBaseFsck.RegionBoundariesInformation</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/HBaseFsck.WorkItemHdfsRegionInfo.html" title="class in org.apache.hadoop.hbase.util">HBaseFsck.WorkItemHdfsRegionInfo</a></td>
 <td class="colLast">
 <div class="block">Contact hdfs and get all information about specified table directory into
  regioninfo list.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/HBaseFsck.WorkItemOverlapMerge.html" title="class in org.apache.hadoop.hbase.util">HBaseFsck.WorkItemOverlapMerge</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/HBaseFsck.WorkItemRegion.html" title="class in org.apache.hadoop.hbase.util">HBaseFsck.WorkItemRegion</a></td>
 <td class="colLast">
 <div class="block">Contact a region server and get all information from it</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/HBaseFsckRepair.html" title="class in org.apache.hadoop.hbase.util">HBaseFsckRepair</a></td>
 <td class="colLast">
 <div class="block">This class contains helper methods that repair parts of hbase's filesystem
  contents.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/HbckRegionInfo.html" title="class in org.apache.hadoop.hbase.util">HbckRegionInfo</a></td>
 <td class="colLast">
 <div class="block">Maintain information about a particular region.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/HbckRegionInfo.HdfsEntry.html" title="class in org.apache.hadoop.hbase.util">HbckRegionInfo.HdfsEntry</a></td>
 <td class="colLast">
 <div class="block">Stores the regioninfo entries from HDFS</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/HbckRegionInfo.MetaEntry.html" title="class in org.apache.hadoop.hbase.util">HbckRegionInfo.MetaEntry</a></td>
 <td class="colLast">
 <div class="block">Stores the regioninfo entries scanned from META</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/HbckRegionInfo.OnlineEntry.html" title="class in org.apache.hadoop.hbase.util">HbckRegionInfo.OnlineEntry</a></td>
 <td class="colLast">
 <div class="block">Stores the regioninfo retrieved from Online region servers.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/HbckTableInfo.html" title="class in org.apache.hadoop.hbase.util">HbckTableInfo</a></td>
 <td class="colLast">
 <div class="block">Maintain information about a particular table.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/HFileArchiveUtil.html" title="class in org.apache.hadoop.hbase.util">HFileArchiveUtil</a></td>
 <td class="colLast">
 <div class="block">Helper class for all utilities related to archival/retrieval of HFiles</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/IdLock.html" title="class in org.apache.hadoop.hbase.util">IdLock</a></td>
 <td class="colLast">
 <div class="block">Allows multiple concurrent clients to lock on a numeric id with a minimal
  memory overhead.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/IdLock.Entry.html" title="class in org.apache.hadoop.hbase.util">IdLock.Entry</a></td>
 <td class="colLast">
 <div class="block">An entry returned to the client as a lock object</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/IdReadWriteLock.html" title="class in org.apache.hadoop.hbase.util">IdReadWriteLock</a>&lt;T&gt;</td>
 <td class="colLast">
 <div class="block">Allows multiple concurrent clients to lock on a numeric id with ReentrantReadWriteLock.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/IdReadWriteLockStrongRef.html" title="class in org.apache.hadoop.hbase.util">IdReadWriteLockStrongRef</a>&lt;T&gt;</td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/IdReadWriteLockWithObjectPool.html" title="class in org.apache.hadoop.hbase.util">IdReadWriteLockWithObjectPool</a>&lt;T&gt;</td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ImmutableByteArray.html" title="class in org.apache.hadoop.hbase.util">ImmutableByteArray</a></td>
 <td class="colLast">
 <div class="block">Mainly used as keys for HashMap.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/IncrementingEnvironmentEdge.html" title="class in org.apache.hadoop.hbase.util">IncrementingEnvironmentEdge</a></td>
 <td class="colLast">
 <div class="block">Uses an incrementing algorithm instead of the default.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/JenkinsHash.html" title="class in org.apache.hadoop.hbase.util">JenkinsHash</a></td>
 <td class="colLast">
 <div class="block">Produces 32-bit hash for hash table lookup.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/JRubyFormat.html" title="class in org.apache.hadoop.hbase.util">JRubyFormat</a></td>
 <td class="colLast">
 <div class="block">Utility class for converting objects to JRuby.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/JSONBean.html" title="class in org.apache.hadoop.hbase.util">JSONBean</a></td>
 <td class="colLast">
 <div class="block">Utility for doing JSON and MBeans.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/JsonMapper.html" title="class in org.apache.hadoop.hbase.util">JsonMapper</a></td>
 <td class="colLast">
 <div class="block">Utility class for converting objects to JSON</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/JSONMetricUtil.html" title="class in org.apache.hadoop.hbase.util">JSONMetricUtil</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/JVM.html" title="class in org.apache.hadoop.hbase.util">JVM</a></td>
 <td class="colLast">
 <div class="block">This class is a wrapper for the implementation of
  com.sun.management.UnixOperatingSystemMXBean
  It will decide to use the sun api or its own implementation
  depending on the runtime (vendor) used.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/JVMClusterUtil.html" title="class in org.apache.hadoop.hbase.util">JVMClusterUtil</a></td>
 <td class="colLast">
 <div class="block">Utility used running a cluster all in the one JVM.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/JVMClusterUtil.MasterThread.html" title="class in org.apache.hadoop.hbase.util">JVMClusterUtil.MasterThread</a></td>
 <td class="colLast">
 <div class="block">Datastructure to hold Master Thread and Master instance</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/JVMClusterUtil.RegionServerThread.html" title="class in org.apache.hadoop.hbase.util">JVMClusterUtil.RegionServerThread</a></td>
 <td class="colLast">
 <div class="block">Datastructure to hold RegionServer Thread and RegionServer instance</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/JvmPauseMonitor.html" title="class in org.apache.hadoop.hbase.util">JvmPauseMonitor</a></td>
 <td class="colLast">
 <div class="block">Class which sets up a simple thread which runs in a loop sleeping
  for a short interval of time.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/JvmPauseMonitor.GcTimes.html" title="class in org.apache.hadoop.hbase.util">JvmPauseMonitor.GcTimes</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/JvmVersion.html" title="class in org.apache.hadoop.hbase.util">JvmVersion</a></td>
 <td class="colLast">
 <div class="block">Utility class to get and check the current JVM version.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/KeyLocker.html" title="class in org.apache.hadoop.hbase.util">KeyLocker</a>&lt;K&gt;</td>
 <td class="colLast">
 <div class="block">A utility class to manage a set of locks.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/LogMonitoring.html" title="class in org.apache.hadoop.hbase.util">LogMonitoring</a></td>
 <td class="colLast">
 <div class="block">Utility functions for reading the log4j logs that are being written by HBase.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/LossyCounting.html" title="class in org.apache.hadoop.hbase.util">LossyCounting</a>&lt;T&gt;</td>
 <td class="colLast">
 <div class="block">LossyCounting utility, bounded data structure that maintains approximate high frequency
  elements in data stream.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ManualEnvironmentEdge.html" title="class in org.apache.hadoop.hbase.util">ManualEnvironmentEdge</a></td>
 <td class="colLast">
 <div class="block">An environment edge that uses a manually set value.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/MapreduceDependencyClasspathTool.html" title="class in org.apache.hadoop.hbase.util">MapreduceDependencyClasspathTool</a></td>
 <td class="colLast">
 <div class="block">Generate a classpath string containing any jars required by mapreduce jobs.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/MapReduceExtendedCell.html" title="class in org.apache.hadoop.hbase.util">MapReduceExtendedCell</a></td>
 <td class="colLast">
 <div class="block">A wrapper for a cell to be used with mapreduce, as the output value class for mappers/reducers.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/MD5Hash.html" title="class in org.apache.hadoop.hbase.util">MD5Hash</a></td>
 <td class="colLast">
 <div class="block">Utility class for MD5
  MD5 hash produces a 128-bit digest.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/Methods.html" title="class in org.apache.hadoop.hbase.util">Methods</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ModifyRegionUtils.html" title="class in org.apache.hadoop.hbase.util">ModifyRegionUtils</a></td>
 <td class="colLast">
 <div class="block">Utility methods for interacting with the regions.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/MoveWithAck.html" title="class in org.apache.hadoop.hbase.util">MoveWithAck</a></td>
 <td class="colLast">
 <div class="block">Move Regions and make sure that they are up on the target server.If a region movement fails we
  exit as failure</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/MoveWithoutAck.html" title="class in org.apache.hadoop.hbase.util">MoveWithoutAck</a></td>
 <td class="colLast">
 <div class="block">Move Regions without Acknowledging.Usefule in case of RS shutdown as we might want to shut the
  RS down anyways and not abort on a stuck region.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/MovingAverage.html" title="class in org.apache.hadoop.hbase.util">MovingAverage</a>&lt;T&gt;</td>
 <td class="colLast">
 <div class="block">The purpose of introduction of <a href="../../../../../org/apache/hadoop/hbase/util/MovingAverage.html" title="class in org.apache.hadoop.hbase.util"><code>MovingAverage</code></a> mainly is to measure execution time of a
  specific method, which can help us to know its performance fluctuation in response to different
  machine states or situations, better case, then to act accordingly.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/MunkresAssignment.html" title="class in org.apache.hadoop.hbase.util">MunkresAssignment</a></td>
 <td class="colLast">
 <div class="block">Computes the optimal (minimal cost) assignment of jobs to workers (or other
  analogous) concepts given a cost matrix of each pair of job and worker, using
  the algorithm by James Munkres in "Algorithms for the Assignment and
  Transportation Problems", with additional optimizations as described by Jin
  Kue Wong in "A New Implementation of an Algorithm for the Optimal Assignment
  Problem: An Improved Version of Munkres' Algorithm".</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/MurmurHash.html" title="class in org.apache.hadoop.hbase.util">MurmurHash</a></td>
 <td class="colLast">
 <div class="block">This is a very fast, non-cryptographic hash suitable for general hash-based
  lookup.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/MurmurHash3.html" title="class in org.apache.hadoop.hbase.util">MurmurHash3</a></td>
 <td class="colLast">
 <div class="block">This is a very fast, non-cryptographic hash suitable for general hash-based
  lookup.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/NettyEventLoopGroupConfig.html" title="class in org.apache.hadoop.hbase.util">NettyEventLoopGroupConfig</a></td>
 <td class="colLast">
 <div class="block">Event loop group related config.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/NonceKey.html" title="class in org.apache.hadoop.hbase.util">NonceKey</a></td>
 <td class="colLast">
 <div class="block">This implementation is not smart and just treats nonce group and nonce as random bits.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ObjectIntPair.html" title="class in org.apache.hadoop.hbase.util">ObjectIntPair</a>&lt;T&gt;</td>
 <td class="colLast">
 <div class="block">A generic class for pair of an Object and and a primitive int value.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ObjectPool.html" title="class in org.apache.hadoop.hbase.util">ObjectPool</a>&lt;K,V&gt;</td>
 <td class="colLast">
 <div class="block">A thread-safe shared object pool in which object creation is expected to be lightweight, and the
  objects may be excessively created and discarded.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/OrderedBytes.html" title="class in org.apache.hadoop.hbase.util">OrderedBytes</a></td>
 <td class="colLast">
 <div class="block">Utility class that handles ordered byte arrays.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/Pair.html" title="class in org.apache.hadoop.hbase.util">Pair</a>&lt;T1,T2&gt;</td>
 <td class="colLast">
 <div class="block">A generic class for pairs.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/PairOfSameType.html" title="class in org.apache.hadoop.hbase.util">PairOfSameType</a>&lt;T&gt;</td>
 <td class="colLast">
 <div class="block">A generic, immutable class for pairs of objects both of type <code>T</code>.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/PoolMap.html" title="class in org.apache.hadoop.hbase.util">PoolMap</a>&lt;K,V&gt;</td>
 <td class="colLast">
 <div class="block">The <code>PoolMap</code> maps a key to a collection of values, the elements
  of which are managed by a pool.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/PoolMap.RoundRobinPool.html" title="class in org.apache.hadoop.hbase.util">PoolMap.RoundRobinPool</a>&lt;R&gt;</td>
 <td class="colLast">
 <div class="block">The <code>RoundRobinPool</code> represents a <a href="../../../../../org/apache/hadoop/hbase/util/PoolMap.Pool.html" title="interface in org.apache.hadoop.hbase.util"><code>PoolMap.Pool</code></a>, which
  stores its resources in an <a href="https://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util"><code>ArrayList</code></a>.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/PoolMap.ThreadLocalPool.html" title="class in org.apache.hadoop.hbase.util">PoolMap.ThreadLocalPool</a>&lt;R&gt;</td>
 <td class="colLast">
 <div class="block">The <code>ThreadLocalPool</code> represents a <a href="../../../../../org/apache/hadoop/hbase/util/PoolMap.Pool.html" title="interface in org.apache.hadoop.hbase.util"><code>PoolMap.Pool</code></a> that
  works similarly to <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ThreadLocal.html?is-external=true" title="class or interface in java.lang"><code>ThreadLocal</code></a> class.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/PrettyPrinter.html" title="class in org.apache.hadoop.hbase.util">PrettyPrinter</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ProcessUtils.html" title="class in org.apache.hadoop.hbase.util">ProcessUtils</a></td>
 <td class="colLast">
 <div class="block">Process related utilities.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/Random64.html" title="class in org.apache.hadoop.hbase.util">Random64</a></td>
 <td class="colLast">
 <div class="block">An instance of this class is used to generate a stream of
  pseudorandom numbers.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/RecoverLeaseFSUtils.html" title="class in org.apache.hadoop.hbase.util">RecoverLeaseFSUtils</a></td>
 <td class="colLast">
 <div class="block">Utility methods for recovering file lease for hdfs.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ReflectionUtils.html" title="class in org.apache.hadoop.hbase.util">ReflectionUtils</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/RegionMover.html" title="class in org.apache.hadoop.hbase.util">RegionMover</a></td>
 <td class="colLast">
 <div class="block">Tool for loading/unloading regions to/from given regionserver This tool can be run from Command
  line directly as a utility.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/RegionMover.RegionMoverBuilder.html" title="class in org.apache.hadoop.hbase.util">RegionMover.RegionMoverBuilder</a></td>
 <td class="colLast">
 <div class="block">Builder for Region mover.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/RegionSplitCalculator.html" title="class in org.apache.hadoop.hbase.util">RegionSplitCalculator</a>&lt;R extends <a href="../../../../../org/apache/hadoop/hbase/util/KeyRange.html" title="interface in org.apache.hadoop.hbase.util">KeyRange</a>&gt;</td>
 <td class="colLast">
 <div class="block">This is a generic region split calculator.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/RegionSplitter.html" title="class in org.apache.hadoop.hbase.util">RegionSplitter</a></td>
 <td class="colLast">
 <div class="block">The <a href="../../../../../org/apache/hadoop/hbase/util/RegionSplitter.html" title="class in org.apache.hadoop.hbase.util"><code>RegionSplitter</code></a> class provides several utilities to help in the
  administration lifecycle for developers who choose to manually split regions
  instead of having HBase handle that automatically.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/RegionSplitter.DecimalStringSplit.html" title="class in org.apache.hadoop.hbase.util">RegionSplitter.DecimalStringSplit</a></td>
 <td class="colLast">
 <div class="block">The format of a DecimalStringSplit region boundary is the ASCII representation of
  reversed sequential number, or any other uniformly distributed decimal value.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/RegionSplitter.HexStringSplit.html" title="class in org.apache.hadoop.hbase.util">RegionSplitter.HexStringSplit</a></td>
 <td class="colLast">
 <div class="block">HexStringSplit is a well-known <a href="../../../../../org/apache/hadoop/hbase/util/RegionSplitter.SplitAlgorithm.html" title="interface in org.apache.hadoop.hbase.util"><code>RegionSplitter.SplitAlgorithm</code></a> for choosing region
  boundaries.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/RegionSplitter.NumberStringSplit.html" title="class in org.apache.hadoop.hbase.util">RegionSplitter.NumberStringSplit</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/RegionSplitter.UniformSplit.html" title="class in org.apache.hadoop.hbase.util">RegionSplitter.UniformSplit</a></td>
 <td class="colLast">
 <div class="block">A SplitAlgorithm that divides the space of possible keys evenly.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/RetryCounter.html" title="class in org.apache.hadoop.hbase.util">RetryCounter</a></td>
 <td class="colLast">
 <div class="block">Operation retry accounting.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/RetryCounter.BackoffPolicy.html" title="class in org.apache.hadoop.hbase.util">RetryCounter.BackoffPolicy</a></td>
 <td class="colLast">
 <div class="block">Policy for calculating sleeping intervals between retry attempts</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/RetryCounter.ExponentialBackoffPolicy.html" title="class in org.apache.hadoop.hbase.util">RetryCounter.ExponentialBackoffPolicy</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/RetryCounter.ExponentialBackoffPolicyWithLimit.html" title="class in org.apache.hadoop.hbase.util">RetryCounter.ExponentialBackoffPolicyWithLimit</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/RetryCounter.RetryConfig.html" title="class in org.apache.hadoop.hbase.util">RetryCounter.RetryConfig</a></td>
 <td class="colLast">
 <div class="block">Configuration for a retry counter</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/RetryCounterFactory.html" title="class in org.apache.hadoop.hbase.util">RetryCounterFactory</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/RollingStatCalculator.html" title="class in org.apache.hadoop.hbase.util">RollingStatCalculator</a></td>
 <td class="colLast">
 <div class="block">This class maintains mean and variation for any sequence of input provided to it.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/RowBloomContext.html" title="class in org.apache.hadoop.hbase.util">RowBloomContext</a></td>
 <td class="colLast">
 <div class="block">Handles ROW bloom related context.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/RowBloomHashKey.html" title="class in org.apache.hadoop.hbase.util">RowBloomHashKey</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/RowColBloomContext.html" title="class in org.apache.hadoop.hbase.util">RowColBloomContext</a></td>
 <td class="colLast">
 <div class="block">Handles ROWCOL bloom related context.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/RowColBloomHashKey.html" title="class in org.apache.hadoop.hbase.util">RowColBloomHashKey</a></td>
 <td class="colLast">
 <div class="block">An hash key for ROWCOL bloom.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/RowPrefixFixedLengthBloomContext.html" title="class in org.apache.hadoop.hbase.util">RowPrefixFixedLengthBloomContext</a></td>
 <td class="colLast">
 <div class="block">Handles ROWPREFIX bloom related context.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ServerCommandLine.html" title="class in org.apache.hadoop.hbase.util">ServerCommandLine</a></td>
 <td class="colLast">
 <div class="block">Base class for command lines that start up various HBase daemons.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ServerRegionReplicaUtil.html" title="class in org.apache.hadoop.hbase.util">ServerRegionReplicaUtil</a></td>
 <td class="colLast">
 <div class="block">Similar to <a href="../../../../../org/apache/hadoop/hbase/client/RegionReplicaUtil.html" title="class in org.apache.hadoop.hbase.client"><code>RegionReplicaUtil</code></a> but for the server side</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ShutdownHookManager.html" title="class in org.apache.hadoop.hbase.util">ShutdownHookManager</a></td>
 <td class="colLast">
 <div class="block">This class provides ShutdownHookManager shims for HBase to interact with the Hadoop 1.0.x and the
  Hadoop 2.0+ series.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ShutdownHookManager.ShutdownHookManagerV1.html" title="class in org.apache.hadoop.hbase.util">ShutdownHookManager.ShutdownHookManagerV1</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ShutdownHookManager.ShutdownHookManagerV2.html" title="class in org.apache.hadoop.hbase.util">ShutdownHookManager.ShutdownHookManagerV2</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/SimpleByteRange.html" title="class in org.apache.hadoop.hbase.util">SimpleByteRange</a></td>
 <td class="colLast">
 <div class="block">A read only version of the <a href="../../../../../org/apache/hadoop/hbase/util/ByteRange.html" title="interface in org.apache.hadoop.hbase.util"><code>ByteRange</code></a>.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/SimpleMovingAverage.html" title="class in org.apache.hadoop.hbase.util">SimpleMovingAverage</a></td>
 <td class="colLast">
 <div class="block">SMA measure the overall average execution time of a specific method.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/SimpleMutableByteRange.html" title="class in org.apache.hadoop.hbase.util">SimpleMutableByteRange</a></td>
 <td class="colLast">
 <div class="block">A basic mutable <a href="../../../../../org/apache/hadoop/hbase/util/ByteRange.html" title="interface in org.apache.hadoop.hbase.util"><code>ByteRange</code></a> implementation.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/SimplePositionedByteRange.html" title="class in org.apache.hadoop.hbase.util">SimplePositionedByteRange</a></td>
 <td class="colLast">
 <div class="block">Extends the basic <a href="../../../../../org/apache/hadoop/hbase/util/SimpleMutableByteRange.html" title="class in org.apache.hadoop.hbase.util"><code>SimpleMutableByteRange</code></a> implementation with position
  support and it is a readonly version.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/SimplePositionedMutableByteRange.html" title="class in org.apache.hadoop.hbase.util">SimplePositionedMutableByteRange</a></td>
 <td class="colLast">
 <div class="block">Extends the basic <a href="../../../../../org/apache/hadoop/hbase/util/AbstractPositionedByteRange.html" title="class in org.apache.hadoop.hbase.util"><code>AbstractPositionedByteRange</code></a> implementation with
  position support and it is a mutable version.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/Sleeper.html" title="class in org.apache.hadoop.hbase.util">Sleeper</a></td>
 <td class="colLast">
 <div class="block">Sleeper for current thread.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/SoftObjectPool.html" title="class in org.apache.hadoop.hbase.util">SoftObjectPool</a>&lt;K,V&gt;</td>
 <td class="colLast">
 <div class="block">A <code>SoftReference</code> based shared object pool.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/SortedList.html" title="class in org.apache.hadoop.hbase.util">SortedList</a>&lt;E&gt;</td>
 <td class="colLast">
 <div class="block">Simple sorted list implementation that uses <a href="https://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util"><code>ArrayList</code></a> as
  the underlying collection so we can support RandomAccess.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/StealJobQueue.html" title="class in org.apache.hadoop.hbase.util">StealJobQueue</a>&lt;T&gt;</td>
 <td class="colLast">
 <div class="block">This queue allows a ThreadPoolExecutor to steal jobs from another ThreadPoolExecutor.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/Strings.html" title="class in org.apache.hadoop.hbase.util">Strings</a></td>
 <td class="colLast">
 <div class="block">Utility for Strings.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/TableDescriptorChecker.html" title="class in org.apache.hadoop.hbase.util">TableDescriptorChecker</a></td>
 <td class="colLast">
 <div class="block">Only used for master to sanity check <a href="../../../../../org/apache/hadoop/hbase/client/TableDescriptor.html" title="interface in org.apache.hadoop.hbase.client"><code>TableDescriptor</code></a>.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/Threads.html" title="class in org.apache.hadoop.hbase.util">Threads</a></td>
 <td class="colLast">
 <div class="block">Thread Utility</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/Triple.html" title="class in org.apache.hadoop.hbase.util">Triple</a>&lt;A,B,C&gt;</td>
 <td class="colLast">
 <div class="block">Utility class to manage a triple.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/UnsafeAccess.html" title="class in org.apache.hadoop.hbase.util">UnsafeAccess</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/UnsafeAvailChecker.html" title="class in org.apache.hadoop.hbase.util">UnsafeAvailChecker</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/VersionInfo.html" title="class in org.apache.hadoop.hbase.util">VersionInfo</a></td>
 <td class="colLast">
 <div class="block">This class finds the Version information for HBase.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/WeakObjectPool.html" title="class in org.apache.hadoop.hbase.util">WeakObjectPool</a>&lt;K,V&gt;</td>
 <td class="colLast">
 <div class="block">A <code>WeakReference</code> based shared object pool.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/WeightedMovingAverage.html" title="class in org.apache.hadoop.hbase.util">WeightedMovingAverage</a></td>
 <td class="colLast">
 <div class="block">Different from SMA <a href="../../../../../org/apache/hadoop/hbase/util/SimpleMovingAverage.html" title="class in org.apache.hadoop.hbase.util"><code>SimpleMovingAverage</code></a>, WeightedMovingAverage gives each data different
  weight.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/WindowMovingAverage.html" title="class in org.apache.hadoop.hbase.util">WindowMovingAverage</a></td>
 <td class="colLast">
 <div class="block">Instead of calculate a whole time average, this class focus on the last N.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/Writables.html" title="class in org.apache.hadoop.hbase.util">Writables</a></td>
 <td class="colLast">
 <div class="block">Utility class with methods for manipulating Writable objects</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/YammerHistogramUtils.html" title="class in org.apache.hadoop.hbase.util">YammerHistogramUtils</a></td>
 <td class="colLast">
 <div class="block">Utility functions for working with Yammer Metrics.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ZKDataMigrator.html" title="class in org.apache.hadoop.hbase.util">ZKDataMigrator</a></td>
 <td class="colLast">Deprecated
 <div class="block"><span class="deprecationComment">Since 2.0.0.</span></div>
 </td>
 </tr>
 </tbody>
 </table>
 </li>
 <li class="blockList">
 <table class="typeSummary" border="0" cellpadding="3" cellspacing="0" summary="Enum Summary table, listing enums, and an explanation">
 <caption><span>Enum Summary</span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Enum</th>
 <th class="colLast" scope="col">Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/Bytes.LexicographicalComparerHolder.PureJavaComparer.html" title="enum in org.apache.hadoop.hbase.util">Bytes.LexicographicalComparerHolder.PureJavaComparer</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/Bytes.LexicographicalComparerHolder.UnsafeComparer.html" title="enum in org.apache.hadoop.hbase.util">Bytes.LexicographicalComparerHolder.UnsafeComparer</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ChecksumType.html" title="enum in org.apache.hadoop.hbase.util">ChecksumType</a></td>
 <td class="colLast">
 <div class="block">Checksum types.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/DNS.ServerType.html" title="enum in org.apache.hadoop.hbase.util">DNS.ServerType</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/HbckErrorReporter.ERROR_CODE.html" title="enum in org.apache.hadoop.hbase.util">HbckErrorReporter.ERROR_CODE</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/IdReadWriteLockWithObjectPool.ReferenceType.html" title="enum in org.apache.hadoop.hbase.util">IdReadWriteLockWithObjectPool.ReferenceType</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/Order.html" title="enum in org.apache.hadoop.hbase.util">Order</a></td>
 <td class="colLast">
 <div class="block">Used to describe or modify the lexicographical sort order of a
  <code>byte[]</code>.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/PoolMap.PoolType.html" title="enum in org.apache.hadoop.hbase.util">PoolMap.PoolType</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/PrettyPrinter.Unit.html" title="enum in org.apache.hadoop.hbase.util">PrettyPrinter.Unit</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 </tbody>
 </table>
 </li>
 <li class="blockList">
 <table class="typeSummary" border="0" cellpadding="3" cellspacing="0" summary="Exception Summary table, listing exceptions, and an explanation">
 <caption><span>Exception Summary</span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Exception</th>
 <th class="colLast" scope="col">Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/CommonFSUtils.StreamLacksCapabilityException.html" title="class in org.apache.hadoop.hbase.util">CommonFSUtils.StreamLacksCapabilityException</a></td>
 <td class="colLast">
 <div class="block">Helper exception for those cases where the place where we need to check a stream capability
  is not where we have the needed context to explain the impact and mitigation for a lack.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/FileSystemVersionException.html" title="class in org.apache.hadoop.hbase.util">FileSystemVersionException</a></td>
 <td class="colLast">
 <div class="block">Thrown when the file system needs to be upgraded</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/LeaseNotRecoveredException.html" title="class in org.apache.hadoop.hbase.util">LeaseNotRecoveredException</a></td>
 <td class="colLast">
 <div class="block">Thrown when the lease was expected to be recovered,
  but the file can't be opened.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/util/ReadOnlyByteRangeException.html" title="class in org.apache.hadoop.hbase.util">ReadOnlyByteRangeException</a></td>
 <td class="colLast">
 <div class="block">Exception thrown when a read only byte range is modified</div>
 </td>
 </tr>
 </tbody>
 </table>
 </li>
 </ul>
 </div>
 <!-- ======= START OF BOTTOM NAVBAR ====== -->
 <div class="bottomNav"><a name="navbar.bottom">
 <!--   -->
 </a>
 <div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip navigation links</a></div>
 <a name="navbar.bottom.firstrow">
 <!--   -->
 </a>
 <ul class="navList" title="Navigation">
 <li><a href="../../../../../overview-summary.html">Overview</a></li>
 <li class="navBarCell1Rev">Package</li>
 <li>Class</li>
 <li><a href="package-use.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">Help</a></li>
 </ul>
 </div>
 <div class="subNav">
 <ul class="navList">
 <li><a href="../../../../../org/apache/hadoop/hbase/types/package-summary.html">Prev&nbsp;Package</a></li>
 <li><a href="../../../../../org/apache/hadoop/hbase/util/compaction/package-summary.html">Next&nbsp;Package</a></li>
 </ul>
 <ul class="navList">
 <li><a href="../../../../../index.html?org/apache/hadoop/hbase/util/package-summary.html" target="_top">Frames</a></li>
 <li><a href="package-summary.html" target="_top">No&nbsp;Frames</a></li>
 </ul>
 <ul class="navList" id="allclasses_navbar_bottom">
 <li><a href="../../../../../allclasses-noframe.html">All&nbsp;Classes</a></li>
 </ul>
 <div>
 <script type="text/javascript"><!--
   allClassesLink = document.getElementById("allclasses_navbar_bottom");
   if(window==top) {
     allClassesLink.style.display = "block";
   }
   else {
     allClassesLink.style.display = "none";
   }
   //-->
 </script>
 </div>
 <a name="skip.navbar.bottom">
 <!--   -->
 </a></div>
 <!-- ======== END OF BOTTOM NAVBAR ======= -->
 <p class="legalCopy"><small>Copyright &#169; 2007&#x2013;2021 <a href="https://www.apache.org/">The Apache Software Foundation</a>. All rights reserved.</small></p>
 </body>
 </html>