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| <div class="subTitle">org.apache.hadoop.hbase.regionserver</div> |
| <h2 title="Class HeapMemoryManager" class="title">Class HeapMemoryManager</h2> |
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| <ul class="inheritance"> |
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| <li>org.apache.hadoop.hbase.regionserver.HeapMemoryManager</li> |
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| <pre>@InterfaceAudience.Private |
| public class <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/HeapMemoryManager.html#line.48">HeapMemoryManager</a> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre> |
| <div class="block">Manages tuning of Heap memory using <code>HeapMemoryTuner</code>. Most part of the heap memory is |
| split between Memstores and BlockCache. This manager helps in tuning sizes of both these |
| dynamically, as per the R/W load on the servers.</div> |
| </li> |
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| <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>static interface </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HeapMemoryManager.HeapMemoryTuneObserver.html" title="interface in org.apache.hadoop.hbase.regionserver">HeapMemoryManager.HeapMemoryTuneObserver</a></span></code> |
| <div class="block">Every class that wants to observe heap memory tune actions must implement this interface.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HeapMemoryManager.HeapMemoryTunerChore.html" title="class in org.apache.hadoop.hbase.regionserver">HeapMemoryManager.HeapMemoryTunerChore</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HeapMemoryManager.TunerContext.html" title="class in org.apache.hadoop.hbase.regionserver">HeapMemoryManager.TunerContext</a></span></code> |
| <div class="block">POJO to pass all the relevant information required to do the heap memory tuning.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HeapMemoryManager.TunerResult.html" title="class in org.apache.hadoop.hbase.regionserver">HeapMemoryManager.TunerResult</a></span></code> |
| <div class="block">POJO which holds the result of memory tuning done by HeapMemoryTuner implementation.</div> |
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| <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>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HeapMemoryManager.html#BLOCK_CACHE_SIZE_MAX_RANGE_KEY">BLOCK_CACHE_SIZE_MAX_RANGE_KEY</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HeapMemoryManager.html#BLOCK_CACHE_SIZE_MIN_RANGE_KEY">BLOCK_CACHE_SIZE_MIN_RANGE_KEY</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/io/hfile/ResizableBlockCache.html" title="interface in org.apache.hadoop.hbase.io.hfile">ResizableBlockCache</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HeapMemoryManager.html#blockCache">blockCache</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/HeapMemoryManager.html#blockCachePercent">blockCachePercent</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private float</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HeapMemoryManager.html#blockCachePercentMaxRange">blockCachePercentMaxRange</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/HeapMemoryManager.html#blockCachePercentMinRange">blockCachePercentMinRange</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HeapMemoryManager.html#CLUSTER_MINIMUM_MEMORY_THRESHOLD">CLUSTER_MINIMUM_MEMORY_THRESHOLD</a></span></code> </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/HeapMemoryManager.html#CONVERT_TO_PERCENTAGE">CONVERT_TO_PERCENTAGE</a></span></code> </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/HeapMemoryManager.html#defaultChorePeriod">defaultChorePeriod</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/HeapMemoryManager.html#globalMemStorePercent">globalMemStorePercent</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private float</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HeapMemoryManager.html#globalMemStorePercentMaxRange">globalMemStorePercentMaxRange</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/HeapMemoryManager.html#globalMemStorePercentMinRange">globalMemStorePercentMinRange</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HeapMemoryManager.html#HBASE_RS_HEAP_MEMORY_TUNER_CLASS">HBASE_RS_HEAP_MEMORY_TUNER_CLASS</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HeapMemoryManager.html#HBASE_RS_HEAP_MEMORY_TUNER_DEFAULT_PERIOD">HBASE_RS_HEAP_MEMORY_TUNER_DEFAULT_PERIOD</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HeapMemoryManager.html#HBASE_RS_HEAP_MEMORY_TUNER_PERIOD">HBASE_RS_HEAP_MEMORY_TUNER_PERIOD</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static float</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HeapMemoryManager.html#HEAP_OCCUPANCY_ERROR_VALUE">HEAP_OCCUPANCY_ERROR_VALUE</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/regionserver/HeapMemoryManager.HeapMemoryTunerChore.html" title="class in org.apache.hadoop.hbase.regionserver">HeapMemoryManager.HeapMemoryTunerChore</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HeapMemoryManager.html#heapMemTunerChore">heapMemTunerChore</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/HeapMemoryManager.html#heapOccupancyLowWatermark">heapOccupancyLowWatermark</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private float</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HeapMemoryManager.html#heapOccupancyPercent">heapOccupancyPercent</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private static org.slf4j.Logger</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HeapMemoryManager.html#LOG">LOG</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HeapMemoryManager.html#maxHeapSize">maxHeapSize</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HeapMemoryManager.html#MEMSTORE_SIZE_MAX_RANGE_KEY">MEMSTORE_SIZE_MAX_RANGE_KEY</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HeapMemoryManager.html#MEMSTORE_SIZE_MIN_RANGE_KEY">MEMSTORE_SIZE_MIN_RANGE_KEY</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/regionserver/FlushRequester.html" title="interface in org.apache.hadoop.hbase.regionserver">FlushRequester</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HeapMemoryManager.html#memStoreFlusher">memStoreFlusher</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsHeapMemoryManager.html" title="class in org.apache.hadoop.hbase.regionserver">MetricsHeapMemoryManager</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HeapMemoryManager.html#metricsHeapMemoryManager">metricsHeapMemoryManager</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/regionserver/RegionServerAccounting.html" title="class in org.apache.hadoop.hbase.regionserver">RegionServerAccounting</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HeapMemoryManager.html#regionServerAccounting">regionServerAccounting</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/Server.html" title="interface in org.apache.hadoop.hbase">Server</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HeapMemoryManager.html#server">server</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/regionserver/HeapMemoryManager.HeapMemoryTuneObserver.html" title="interface in org.apache.hadoop.hbase.regionserver">HeapMemoryManager.HeapMemoryTuneObserver</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HeapMemoryManager.html#tuneObservers">tuneObservers</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/HeapMemoryManager.html#tunerOn">tunerOn</a></span></code> </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/HeapMemoryManager.html#HeapMemoryManager-org.apache.hadoop.hbase.io.hfile.BlockCache-org.apache.hadoop.hbase.regionserver.FlushRequester-org.apache.hadoop.hbase.Server-org.apache.hadoop.hbase.regionserver.RegionServerAccounting-">HeapMemoryManager</a></span>(<a href="../../../../../org/apache/hadoop/hbase/io/hfile/BlockCache.html" title="interface in org.apache.hadoop.hbase.io.hfile">BlockCache</a> blockCache, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/FlushRequester.html" title="interface in org.apache.hadoop.hbase.regionserver">FlushRequester</a> memStoreFlusher, |
| <a href="../../../../../org/apache/hadoop/hbase/Server.html" title="interface in org.apache.hadoop.hbase">Server</a> server, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/RegionServerAccounting.html" title="class in org.apache.hadoop.hbase.regionserver">RegionServerAccounting</a> regionServerAccounting)</code> </td> |
| </tr> |
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| </li> |
| </ul> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.summary"> |
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| </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 boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HeapMemoryManager.html#doInit-org.apache.hadoop.conf.Configuration-">doInit</a></span>(org.apache.hadoop.conf.Configuration conf)</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>float</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HeapMemoryManager.html#getHeapOccupancyPercent--">getHeapOccupancyPercent</a></span>()</code> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>(package private) boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HeapMemoryManager.html#isTunerOn--">isTunerOn</a></span>()</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HeapMemoryManager.html#registerTuneObserver-org.apache.hadoop.hbase.regionserver.HeapMemoryManager.HeapMemoryTuneObserver-">registerTuneObserver</a></span>(<a href="../../../../../org/apache/hadoop/hbase/regionserver/HeapMemoryManager.HeapMemoryTuneObserver.html" title="interface in org.apache.hadoop.hbase.regionserver">HeapMemoryManager.HeapMemoryTuneObserver</a> observer)</code> </td> |
| </tr> |
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| <td class="colFirst"><code>void</code></td> |
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