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title="class or interface in java.lang">Thread</a></pre> +</li> +</ul> +</div> +<div class="summary"> +<ul class="blockList"> +<li class="blockList"> +<!-- ======== NESTED CLASS SUMMARY ======== --> +<ul class="blockList"> +<li class="blockList"><a name="nested.class.summary"> +<!-- --> +</a> +<h3>Nested Class Summary</h3> +<ul class="blockList"> +<li class="blockList"><a name="nested.classes.inherited.from.class.java.lang.Thread"> +<!-- --> +</a> +<h3>Nested classes/interfaces inherited from class java.lang.<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true"; title="class or interface in java.lang">Thread</a></h3> +<code><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Thread.State.html?is-external=true"; title="class or interface in java.lang">Thread.State</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Thread.UncaughtExceptionHandler.html?is-external=true"; title="class or interface in java.lang">Thread.UncaughtExceptionHandler</a></code></li> +</ul> +</li> +</ul> +<!-- =========== FIELD SUMMARY =========== --> +<ul class="blockList"> +<li class="blockList"><a name="field.summary"> +<!-- --> +</a> +<h3>Field Summary</h3> +<ul class="blockList"> +<li class="blockList"><a name="fields.inherited.from.class.java.lang.Thread"> +<!-- --> +</a> +<h3>Fields inherited from class java.lang.<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true"; title="class or interface in java.lang">Thread</a></h3> +<code><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#MAX_PRIORITY"; title="class or interface in java.lang">MAX_PRIORITY</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#MIN_PRIORITY"; title="class or interface in java.lang">MIN_PRIORITY</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#NORM_PRIORITY"; title="class or interface in java.lang">NORM_PRIORITY</a></code></li> +</ul> +</li> +</ul> +<!-- ======== CONSTRUCTOR SUMMARY ======== --> +<ul class="blockList"> +<li class="blockList"><a name="constructor.summary"> +<!-- --> +</a> +<h3>Constructor Summary</h3> +<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation"> +<caption><span>Constructors</span><span class="tabEnd"> </span></caption> +<tr> +<th class="colOne" scope="col">Constructor and Description</th> +</tr> +<tr class="altColor"> +<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.StatisticsThread.html#StatisticsThread--">StatisticsThread</a></span>()</code> </td> +</tr> +</table> +</li> +</ul> +<!-- ========== METHOD SUMMARY =========== --> +<ul class="blockList"> +<li class="blockList"><a name="method.summary"> +<!-- --> +</a> +<h3>Method Summary</h3> +<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> +<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> +<tr> +<th class="colFirst" scope="col">Modifier and Type</th> +<th class="colLast" scope="col">Method and Description</th> +</tr> +<tr id="i0" class="altColor"> +<td class="colFirst"><code>private void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.StatisticsThread.html#logStats--">logStats</a></span>()</code> </td> +</tr> +<tr id="i1" class="rowColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.StatisticsThread.html#run--">run</a></span>()</code> </td> +</tr> +</table> +<ul class="blockList"> +<li class="blockList"><a name="methods.inherited.from.class.java.lang.Thread"> +<!-- --> +</a> +<h3>Methods inherited from class java.lang.<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true"; 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title="class or interface in java.lang">run</a></code> in interface <code><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Runnable.html?is-external=true"; title="class or interface in java.lang">Runnable</a></code></dd> +<dt><span class="overrideSpecifyLabel">Overrides:</span></dt> +<dd><code><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#run--"; title="class or interface in java.lang">run</a></code> in class <code><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true"; title="class or interface in java.lang">Thread</a></code></dd> +</dl> +</li> +</ul> +<a name="logStats--"> +<!-- --> +</a> +<ul class="blockListLast"> +<li class="blockList"> +<h4>logStats</h4> +<pre>private void <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.StatisticsThread.html#line.175">logStats</a>()</pre> +</li> +</ul> +</li> +</ul> +</li> +</ul> +</div> +</div> +<!-- ========= END OF CLASS DATA ========= --> +<!-- ======= 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><a href="package-summary.html">Package</a></li> +<li class="navBarCell1Rev">Class</li> +<li><a href="class-use/MemStoreChunkPool.StatisticsThread.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/regionserver/MemStoreChunkPool.html" title="class in org.apache.hadoop.hbase.regionserver"><span class="typeNameLink">Prev Class</span></a></li> +<li><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreCompactor.html" title="class in org.apache.hadoop.hbase.regionserver"><span class="typeNameLink">Next Class</span></a></li> +</ul> +<ul class="navList"> +<li><a href="../../../../../index.html?org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.StatisticsThread.html" target="_top">Frames</a></li> +<li><a href="MemStoreChunkPool.StatisticsThread.html" target="_top">No Frames</a></li> +</ul> +<ul class="navList" id="allclasses_navbar_bottom"> +<li><a href="../../../../../allclasses-noframe.html">All Classes</a></li> +</ul> +<div> +<script type="text/javascript"><!-- + allClassesLink = document.getElementById("allclasses_navbar_bottom"); 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org.apache.hadoop.hbase.regionserver">HeapMemoryManager.HeapMemoryTuneObserver</a></dd> +</dl> +<hr> +<br> +<pre><a href="../../../../../org/apache/hadoop/hbase/classification/InterfaceAudience.Private.html" title="annotation in org.apache.hadoop.hbase.classification">@InterfaceAudience.Private</a> +public class <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#line.53">MemStoreChunkPool</a> +extends <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true"; title="class or interface in java.lang">Object</a> +implements <a href="../../../../../org/apache/hadoop/hbase/regionserver/HeapMemoryManager.HeapMemoryTuneObserver.html" title="interface in org.apache.hadoop.hbase.regionserver">HeapMemoryManager.HeapMemoryTuneObserver</a></pre> +<div class="block">A pool of <a href="../../../../../org/apache/hadoop/hbase/regionserver/Chunk.html" title="class in org.apache.hadoop.hbase.regionserver"><code>Chunk</code></a> instances. + + MemStoreChunkPool caches a number of retired chunks for reusing, it could + decrease allocating bytes when writing, thereby optimizing the garbage + collection on JVM. + + The pool instance is globally unique and could be obtained through + <a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#initialize-long-float-float-int-boolean-"><code>initialize(long, float, float, int, boolean)</code></a> + + <a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#getChunk--"><code>getChunk()</code></a> is called when MemStoreLAB allocating + bytes, and <a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#putbackChunks-java.util.concurrent.BlockingQueue-"><code>putbackChunks(BlockingQueue)</code></a> is called + when MemStore clearing snapshot for flush</div> +</li> +</ul> +</div> +<div class="summary"> +<ul class="blockList"> +<li class="blockList"> +<!-- ======== NESTED CLASS SUMMARY ======== --> +<ul class="blockList"> +<li class="blockList"><a name="nested.class.summary"> +<!-- --> +</a> +<h3>Nested Class Summary</h3> +<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Nested Class Summary table, listing nested classes, and an explanation"> +<caption><span>Nested Classes</span><span class="tabEnd"> </span></caption> +<tr> +<th class="colFirst" scope="col">Modifier and Type</th> +<th class="colLast" scope="col">Class and Description</th> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>private class </code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.StatisticsThread.html" title="class in org.apache.hadoop.hbase.regionserver">MemStoreChunkPool.StatisticsThread</a></span></code> </td> +</tr> +</table> +</li> +</ul> +<!-- =========== FIELD SUMMARY =========== --> +<ul class="blockList"> +<li class="blockList"><a name="field.summary"> +<!-- --> +</a> +<h3>Field Summary</h3> +<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation"> +<caption><span>Fields</span><span class="tabEnd"> </span></caption> +<tr> +<th class="colFirst" scope="col">Modifier and Type</th> +<th class="colLast" scope="col">Field and Description</th> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>private <a href="http://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicLong.html?is-external=true"; title="class or interface in java.util.concurrent.atomic">AtomicLong</a></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#chunkCount">chunkCount</a></span></code> </td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>(package private) static boolean</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#chunkPoolDisabled">chunkPoolDisabled</a></span></code> +<div class="block">Boolean whether we have disabled the memstore chunk pool entirely.</div> +</td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>private int</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#chunkSize">chunkSize</a></span></code> </td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>(package private) static <a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html" title="class in org.apache.hadoop.hbase.regionserver">MemStoreChunkPool</a></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#GLOBAL_INSTANCE">GLOBAL_INSTANCE</a></span></code> </td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>private static org.apache.commons.logging.Log</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#LOG">LOG</a></span></code> </td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>private int</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#maxCount">maxCount</a></span></code> </td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>private boolean</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#offheap">offheap</a></span></code> </td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>private float</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#poolSizePercentage">poolSizePercentage</a></span></code> </td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>private <a href="http://docs.oracle.com/javase/8/docs/api/java/util/concurrent/BlockingQueue.html?is-external=true"; title="class or interface in java.util.concurrent">BlockingQueue</a><<a href="../../../../../org/apache/hadoop/hbase/regionserver/Chunk.html" title="class in org.apache.hadoop.hbase.regionserver">Chunk</a>></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#reclaimedChunks">reclaimedChunks</a></span></code> </td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>private <a href="http://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicLong.html?is-external=true"; title="class or interface in java.util.concurrent.atomic">AtomicLong</a></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#reusedChunkCount">reusedChunkCount</a></span></code> </td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>private <a href="http://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ScheduledExecutorService.html?is-external=true"; title="class or interface in java.util.concurrent">ScheduledExecutorService</a></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#scheduleThreadPool">scheduleThreadPool</a></span></code> +<div class="block">Statistics thread schedule pool</div> +</td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>private static int</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#statThreadPeriod">statThreadPeriod</a></span></code> +<div class="block">Statistics thread</div> +</td> +</tr> +</table> +</li> +</ul> +<!-- ======== CONSTRUCTOR SUMMARY ======== --> +<ul class="blockList"> +<li class="blockList"><a name="constructor.summary"> +<!-- --> +</a> +<h3>Constructor Summary</h3> +<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation"> +<caption><span>Constructors</span><span class="tabEnd"> </span></caption> +<tr> +<th class="colOne" scope="col">Constructor and Description</th> +</tr> +<tr class="altColor"> +<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#MemStoreChunkPool-int-int-int-float-boolean-">MemStoreChunkPool</a></span>(int chunkSize, + int maxCount, + int initialCount, + float poolSizePercentage, + boolean offheap)</code> </td> +</tr> +</table> +</li> +</ul> +<!-- ========== METHOD SUMMARY =========== --> +<ul class="blockList"> +<li class="blockList"><a name="method.summary"> +<!-- --> +</a> +<h3>Method Summary</h3> +<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> +<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> +<tr> +<th class="colFirst" scope="col">Modifier and Type</th> +<th class="colLast" scope="col">Method and Description</th> +</tr> +<tr id="i0" class="altColor"> +<td class="colFirst"><code>(package private) void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#clearChunks--">clearChunks</a></span>()</code> </td> +</tr> +<tr id="i1" class="rowColor"> +<td class="colFirst"><code>(package private) static void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#clearDisableFlag--">clearDisableFlag</a></span>()</code> </td> +</tr> +<tr id="i2" class="altColor"> +<td class="colFirst"><code>(package private) <a href="../../../../../org/apache/hadoop/hbase/regionserver/Chunk.html" title="class in org.apache.hadoop.hbase.regionserver">Chunk</a></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#getChunk--">getChunk</a></span>()</code> +<div class="block">Poll a chunk from the pool, reset it if not null, else create a new chunk to return if we have + not yet created max allowed chunks count.</div> +</td> +</tr> +<tr id="i3" class="rowColor"> +<td class="colFirst"><code>(package private) int</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#getMaxCount--">getMaxCount</a></span>()</code> </td> +</tr> +<tr id="i4" class="altColor"> +<td class="colFirst"><code>(package private) static <a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html" title="class in org.apache.hadoop.hbase.regionserver">MemStoreChunkPool</a></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#getPool--">getPool</a></span>()</code> </td> +</tr> +<tr id="i5" class="rowColor"> +<td class="colFirst"><code>(package private) int</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#getPoolSize--">getPoolSize</a></span>()</code> </td> +</tr> +<tr id="i6" class="altColor"> +<td class="colFirst"><code>(package private) static <a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html" title="class in org.apache.hadoop.hbase.regionserver">MemStoreChunkPool</a></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#initialize-long-float-float-int-boolean-">initialize</a></span>(long globalMemStoreSize, + float poolSizePercentage, + float initialCountPercentage, + int chunkSize, + boolean offheap)</code> </td> +</tr> +<tr id="i7" class="rowColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#onHeapMemoryTune-long-long-">onHeapMemoryTune</a></span>(long newMemstoreSize, + long newBlockCacheSize)</code> +<div class="block">This method would be called by HeapMemoryManger when a heap memory tune action took place.</div> +</td> +</tr> +<tr id="i8" class="altColor"> +<td class="colFirst"><code>(package private) void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#putbackChunk-org.apache.hadoop.hbase.regionserver.Chunk-">putbackChunk</a></span>(<a href="../../../../../org/apache/hadoop/hbase/regionserver/Chunk.html" title="class in org.apache.hadoop.hbase.regionserver">Chunk</a> chunk)</code> +<div class="block">Add the chunk to the pool, if the pool has achieved the max size, it will + skip it</div> +</td> +</tr> +<tr id="i9" class="rowColor"> +<td class="colFirst"><code>(package private) void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#putbackChunks-java.util.concurrent.BlockingQueue-">putbackChunks</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/concurrent/BlockingQueue.html?is-external=true"; title="class or interface in java.util.concurrent">BlockingQueue</a><<a href="../../../../../org/apache/hadoop/hbase/regionserver/Chunk.html" title="class in org.apache.hadoop.hbase.regionserver">Chunk</a>> chunks)</code> +<div class="block">Add the chunks to the pool, when the pool achieves the max size, it will + skip the remaining chunks</div> +</td> +</tr> +</table> +<ul class="blockList"> +<li class="blockList"><a name="methods.inherited.from.class.java.lang.Object"> +<!-- --> +</a> 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+<h4>getChunk</h4> +<pre><a href="../../../../../org/apache/hadoop/hbase/regionserver/Chunk.html" title="class in org.apache.hadoop.hbase.regionserver">Chunk</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#line.106">getChunk</a>()</pre> +<div class="block">Poll a chunk from the pool, reset it if not null, else create a new chunk to return if we have + not yet created max allowed chunks count. When we have already created max allowed chunks and + no free chunks as of now, return null. It is the responsibility of the caller to make a chunk + then. + Note: Chunks returned by this pool must be put back to the pool after its use.</div> +<dl> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>a chunk</dd> +<dt><span class="seeLabel">See Also:</span></dt> +<dd><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#putbackChunk-org.apache.hadoop.hbase.regionserver.Chunk-"><code>putbackChunk(Chunk)</code></a>, +<a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#putbackChunks-java.util.concurrent.BlockingQueue-"><code>putbackChunks(BlockingQueue)</code></a></dd> +</dl> +</li> +</ul> +<a name="putbackChunks-java.util.concurrent.BlockingQueue-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>putbackChunks</h4> +<pre>void <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#line.133">putbackChunks</a>(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/concurrent/BlockingQueue.html?is-external=true"; title="class or interface in java.util.concurrent">BlockingQueue</a><<a href="../../../../../org/apache/hadoop/hbase/regionserver/Chunk.html" title="class in org.apache.hadoop.hbase.regionserver">Chunk</a>> chunks)</pre> +<div class="block">Add the chunks to the pool, when the pool achieves the max size, it will + skip the remaining chunks</div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>chunks</code> - </dd> +</dl> +</li> +</ul> +<a name="putbackChunk-org.apache.hadoop.hbase.regionserver.Chunk-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>putbackChunk</h4> +<pre>void <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#line.147">putbackChunk</a>(<a href="../../../../../org/apache/hadoop/hbase/regionserver/Chunk.html" title="class in org.apache.hadoop.hbase.regionserver">Chunk</a> chunk)</pre> +<div class="block">Add the chunk to the pool, if the pool has achieved the max size, it will + skip it</div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>chunk</code> - </dd> +</dl> +</li> +</ul> +<a name="getPoolSize--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getPoolSize</h4> +<pre>int <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#line.153">getPoolSize</a>()</pre> +</li> +</ul> +<a name="clearChunks--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>clearChunks</h4> +<pre>void <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#line.160">clearChunks</a>()</pre> +</li> +</ul> +<a name="initialize-long-float-float-int-boolean-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>initialize</h4> +<pre>static <a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html" title="class in org.apache.hadoop.hbase.regionserver">MemStoreChunkPool</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#line.193">initialize</a>(long globalMemStoreSize, + float poolSizePercentage, + float initialCountPercentage, + int chunkSize, + boolean offheap)</pre> +<dl> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>the global MemStoreChunkPool instance</dd> +</dl> +</li> +</ul> +<a name="getPool--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getPool</h4> +<pre>static <a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html" title="class in org.apache.hadoop.hbase.regionserver">MemStoreChunkPool</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#line.222">getPool</a>()</pre> +<dl> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>The singleton instance of this pool.</dd> +</dl> +</li> +</ul> +<a name="getMaxCount--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getMaxCount</h4> +<pre>int <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#line.226">getMaxCount</a>()</pre> +</li> +</ul> +<a name="clearDisableFlag--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>clearDisableFlag</h4> +<pre>static void <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#line.231">clearDisableFlag</a>()</pre> +</li> +</ul> +<a name="onHeapMemoryTune-long-long-"> +<!-- --> +</a> +<ul class="blockListLast"> +<li class="blockList"> +<h4>onHeapMemoryTune</h4> +<pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html#line.236">onHeapMemoryTune</a>(long newMemstoreSize, + long newBlockCacheSize)</pre> +<div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/HeapMemoryManager.HeapMemoryTuneObserver.html#onHeapMemoryTune-long-long-">HeapMemoryManager.HeapMemoryTuneObserver</a></code></span></div> +<div class="block">This method would be called by HeapMemoryManger when a heap memory tune action took place.</div> +<dl> +<dt><span class="overrideSpecifyLabel">Specified by:</span></dt> +<dd><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/HeapMemoryManager.HeapMemoryTuneObserver.html#onHeapMemoryTune-long-long-">onHeapMemoryTune</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/HeapMemoryManager.HeapMemoryTuneObserver.html" title="interface in org.apache.hadoop.hbase.regionserver">HeapMemoryManager.HeapMemoryTuneObserver</a></code></dd> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>newMemstoreSize</code> - The newly calculated global memstore size</dd> +<dd><code>newBlockCacheSize</code> - The newly calculated global blockcache size</dd> +</dl> +</li> +</ul> +</li> +</ul> +</li> +</ul> +</div> +</div> +<!-- ========= END OF CLASS DATA ========= --> +<!-- ======= 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><a href="package-summary.html">Package</a></li> +<li class="navBarCell1Rev">Class</li> +<li><a href="class-use/MemStoreChunkPool.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/regionserver/MemStore.html" title="interface in org.apache.hadoop.hbase.regionserver"><span class="typeNameLink">Prev Class</span></a></li> +<li><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.StatisticsThread.html" title="class in org.apache.hadoop.hbase.regionserver"><span class="typeNameLink">Next Class</span></a></li> +</ul> +<ul class="navList"> +<li><a href="../../../../../index.html?org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html" target="_top">Frames</a></li> +<li><a href="MemStoreChunkPool.html" target="_top">No Frames</a></li> +</ul> +<ul class="navList" id="allclasses_navbar_bottom"> +<li><a href="../../../../../allclasses-noframe.html">All 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> +<div> +<ul class="subNavList"> +<li>Summary: </li> +<li><a href="#nested.class.summary">Nested</a> | </li> +<li><a href="#field.summary">Field</a> | </li> +<li><a href="#constructor.summary">Constr</a> | </li> +<li><a href="#method.summary">Method</a></li> +</ul> +<ul class="subNavList"> +<li>Detail: </li> +<li><a href="#field.detail">Field</a> | </li> +<li><a href="#constructor.detail">Constr</a> | </li> +<li><a href="#method.detail">Method</a></li> +</ul> +</div> +<a name="skip.navbar.bottom"> +<!-- --> +</a></div> +<!-- ======== END OF BOTTOM NAVBAR ======= --> +<p class="legalCopy"><small>Copyright © 2007–2017 <a href="https://www.apache.org/";>The Apache Software Foundation</a>. All rights reserved.</small></p> +</body> +</html> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/2fcc2ae0/devapidocs/org/apache/hadoop/hbase/regionserver/MemStoreCompactor.html ---------------------------------------------------------------------- diff --git a/devapidocs/org/apache/hadoop/hbase/regionserver/MemStoreCompactor.html b/devapidocs/org/apache/hadoop/hbase/regionserver/MemStoreCompactor.html index 647ad94..0e303f4 100644 --- a/devapidocs/org/apache/hadoop/hbase/regionserver/MemStoreCompactor.html +++ b/devapidocs/org/apache/hadoop/hbase/regionserver/MemStoreCompactor.html @@ -49,7 +49,7 @@ var activeTableTab = "activeTableTab"; </div> <div class="subNav"> <ul class="navList"> -<li><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStore.html" title="interface in org.apache.hadoop.hbase.regionserver"><span class="typeNameLink">Prev Class</span></a></li> +<li><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.StatisticsThread.html" title="class in org.apache.hadoop.hbase.regionserver"><span class="typeNameLink">Prev Class</span></a></li> <li><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreCompactor.Action.html" title="enum in org.apache.hadoop.hbase.regionserver"><span class="typeNameLink">Next Class</span></a></li> </ul> <ul class="navList"> @@ -574,7 +574,7 @@ extends <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html? </div> <div class="subNav"> <ul class="navList"> -<li><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStore.html" title="interface in org.apache.hadoop.hbase.regionserver"><span class="typeNameLink">Prev Class</span></a></li> +<li><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.StatisticsThread.html" title="class in org.apache.hadoop.hbase.regionserver"><span class="typeNameLink">Prev Class</span></a></li> <li><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreCompactor.Action.html" title="enum in org.apache.hadoop.hbase.regionserver"><span class="typeNameLink">Next Class</span></a></li> </ul> <ul class="navList"> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/2fcc2ae0/devapidocs/org/apache/hadoop/hbase/regionserver/MemStoreLAB.html ---------------------------------------------------------------------- diff --git a/devapidocs/org/apache/hadoop/hbase/regionserver/MemStoreLAB.html b/devapidocs/org/apache/hadoop/hbase/regionserver/MemStoreLAB.html index 6c40056..2e61e67 100644 --- a/devapidocs/org/apache/hadoop/hbase/regionserver/MemStoreLAB.html +++ b/devapidocs/org/apache/hadoop/hbase/regionserver/MemStoreLAB.html @@ -111,7 +111,7 @@ public interface <a href="../../../../../src-html/org/apache/hadoop/hbase/region <p> The MemStoreLAB is basically a bump-the-pointer allocator that allocates big (2MB) chunks from and then doles it out to threads that request slices into the array. These chunks can get pooled - as well. See <a href="../../../../../org/apache/hadoop/hbase/regionserver/ChunkCreator.html" title="class in org.apache.hadoop.hbase.regionserver"><code>ChunkCreator</code></a>. + as well. See <a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreChunkPool.html" title="class in org.apache.hadoop.hbase.regionserver"><code>MemStoreChunkPool</code></a>. <p> The purpose of this is to combat heap fragmentation in the regionserver. 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