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<h1 title="Uses of Package org.apache.hadoop.hbase.io.hfile.bucket" class="title">Uses of Package<br>org.apache.hadoop.hbase.io.hfile.bucket</h1>
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<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing packages, and an explanation">
<caption><span>Packages that use <a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/package-summary.html">org.apache.hadoop.hbase.io.hfile.bucket</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Package</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.hadoop.hbase.io.hfile">org.apache.hadoop.hbase.io.hfile</a></td>
<td class="colLast">
<div class="block">Provides implementations of <a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/HFile.html" title="class in org.apache.hadoop.hbase.io.hfile"><code>HFile</code></a> and HFile
<a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCache.html" title="interface in org.apache.hadoop.hbase.io.hfile"><code>BlockCache</code></a>.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.hadoop.hbase.io.hfile.bucket">org.apache.hadoop.hbase.io.hfile.bucket</a></td>
<td class="colLast">
<div class="block">Provides <a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.html" title="class in org.apache.hadoop.hbase.io.hfile.bucket"><code>BucketCache</code></a>, an implementation of
<a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCache.html" title="interface in org.apache.hadoop.hbase.io.hfile"><code>BlockCache</code></a>.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.hadoop.hbase.regionserver">org.apache.hadoop.hbase.regionserver</a></td>
<td class="colLast">&nbsp;</td>
</tr>
</tbody>
</table>
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<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing classes, and an explanation">
<caption><span>Classes in <a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/package-summary.html">org.apache.hadoop.hbase.io.hfile.bucket</a> used by <a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/package-summary.html">org.apache.hadoop.hbase.io.hfile</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">Class and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colOne"><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/class-use/BucketCache.html#org.apache.hadoop.hbase.io.hfile">BucketCache</a>
<div class="block">BucketCache uses <a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/BucketAllocator.html" title="class in org.apache.hadoop.hbase.io.hfile.bucket"><code>BucketAllocator</code></a> to allocate/free blocks, and uses BucketCache#ramCache
and BucketCache#backingMap in order to determine if a given element is in the cache.</div>
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<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing classes, and an explanation">
<caption><span>Classes in <a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/package-summary.html">org.apache.hadoop.hbase.io.hfile.bucket</a> used by <a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/package-summary.html">org.apache.hadoop.hbase.io.hfile.bucket</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">Class and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colOne"><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/class-use/BucketAllocator.html#org.apache.hadoop.hbase.io.hfile.bucket">BucketAllocator</a>
<div class="block">This class is used to allocate a block with specified size and free the block when evicting.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/class-use/BucketAllocator.Bucket.html#org.apache.hadoop.hbase.io.hfile.bucket">BucketAllocator.Bucket</a>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/class-use/BucketAllocator.BucketSizeInfo.html#org.apache.hadoop.hbase.io.hfile.bucket">BucketAllocator.BucketSizeInfo</a>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/class-use/BucketAllocator.IndexStatistics.html#org.apache.hadoop.hbase.io.hfile.bucket">BucketAllocator.IndexStatistics</a>
<div class="block">Statistics to give a glimpse into the distribution of BucketCache objects.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/class-use/BucketAllocatorException.html#org.apache.hadoop.hbase.io.hfile.bucket">BucketAllocatorException</a>
<div class="block">Thrown by <a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/BucketAllocator.html" title="class in org.apache.hadoop.hbase.io.hfile.bucket"><code>BucketAllocator</code></a></div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/class-use/BucketCache.html#org.apache.hadoop.hbase.io.hfile.bucket">BucketCache</a>
<div class="block">BucketCache uses <a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/BucketAllocator.html" title="class in org.apache.hadoop.hbase.io.hfile.bucket"><code>BucketAllocator</code></a> to allocate/free blocks, and uses BucketCache#ramCache
and BucketCache#backingMap in order to determine if a given element is in the cache.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/class-use/BucketCache.RAMCache.html#org.apache.hadoop.hbase.io.hfile.bucket">BucketCache.RAMCache</a>
<div class="block">Wrapped the delegate ConcurrentMap with maintaining its block's reference count.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/class-use/BucketCache.RAMQueueEntry.html#org.apache.hadoop.hbase.io.hfile.bucket">BucketCache.RAMQueueEntry</a>
<div class="block">Block Entry stored in the memory with key,data and so on</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/class-use/BucketCache.WriterThread.html#org.apache.hadoop.hbase.io.hfile.bucket">BucketCache.WriterThread</a>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/class-use/BucketCachePersister.html#org.apache.hadoop.hbase.io.hfile.bucket">BucketCachePersister</a>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/class-use/BucketCacheStats.html#org.apache.hadoop.hbase.io.hfile.bucket">BucketCacheStats</a>
<div class="block">Class that implements cache metrics for bucket cache.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/class-use/BucketEntry.html#org.apache.hadoop.hbase.io.hfile.bucket">BucketEntry</a>
<div class="block">Item in cache.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/class-use/BucketEntry.BucketEntryHandler.html#org.apache.hadoop.hbase.io.hfile.bucket">BucketEntry.BucketEntryHandler</a>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/class-use/CachedEntryQueue.html#org.apache.hadoop.hbase.io.hfile.bucket">CachedEntryQueue</a>
<div class="block">A memory-bound queue that will grow until an element brings total size larger than maxSize.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/class-use/CacheFullException.html#org.apache.hadoop.hbase.io.hfile.bucket">CacheFullException</a>
<div class="block">Thrown by <a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/BucketAllocator.html#allocateBlock-int-"><code>BucketAllocator.allocateBlock(int)</code></a> when cache is full for the requested size</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/class-use/FileIOEngine.FileAccessor.html#org.apache.hadoop.hbase.io.hfile.bucket">FileIOEngine.FileAccessor</a>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/class-use/FileIOEngine.FileReadAccessor.html#org.apache.hadoop.hbase.io.hfile.bucket">FileIOEngine.FileReadAccessor</a>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/class-use/FileIOEngine.FileWriteAccessor.html#org.apache.hadoop.hbase.io.hfile.bucket">FileIOEngine.FileWriteAccessor</a>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/class-use/FileMmapIOEngine.html#org.apache.hadoop.hbase.io.hfile.bucket">FileMmapIOEngine</a>
<div class="block">IO engine that stores data to a file on the specified file system using memory mapping mechanism</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/class-use/IOEngine.html#org.apache.hadoop.hbase.io.hfile.bucket">IOEngine</a>
<div class="block">A class implementing IOEngine interface supports data services for <a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.html" title="class in org.apache.hadoop.hbase.io.hfile.bucket"><code>BucketCache</code></a>.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/class-use/PersistentIOEngine.html#org.apache.hadoop.hbase.io.hfile.bucket">PersistentIOEngine</a>
<div class="block">A class implementing PersistentIOEngine interface supports file integrity verification for
<a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.html" title="class in org.apache.hadoop.hbase.io.hfile.bucket"><code>BucketCache</code></a> which use persistent IOEngine</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/class-use/PersistentIOEngine.DuFileCommand.html#org.apache.hadoop.hbase.io.hfile.bucket">PersistentIOEngine.DuFileCommand</a>&nbsp;</td>
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<caption><span>Classes in <a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/package-summary.html">org.apache.hadoop.hbase.io.hfile.bucket</a> used by <a href="../../../../../../../org/apache/hadoop/hbase/regionserver/package-summary.html">org.apache.hadoop.hbase.regionserver</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">Class and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colOne"><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/class-use/BucketCache.html#org.apache.hadoop.hbase.regionserver">BucketCache</a>
<div class="block">BucketCache uses <a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/BucketAllocator.html" title="class in org.apache.hadoop.hbase.io.hfile.bucket"><code>BucketAllocator</code></a> to allocate/free blocks, and uses BucketCache#ramCache
and BucketCache#backingMap in order to determine if a given element is in the cache.</div>
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