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<div class="subTitle">org.apache.hadoop.hbase.regionserver</div>
<h2 title="Class CompactingMemStore" class="title">Class CompactingMemStore</h2>
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<li><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html" title="class in org.apache.hadoop.hbase.regionserver">org.apache.hadoop.hbase.regionserver.AbstractMemStore</a></li>
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<li>org.apache.hadoop.hbase.regionserver.CompactingMemStore</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStore.html" title="interface in org.apache.hadoop.hbase.regionserver">MemStore</a></dd>
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<pre>@InterfaceAudience.Private
public class <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#line.54">CompactingMemStore</a>
extends <a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html" title="class in org.apache.hadoop.hbase.regionserver">AbstractMemStore</a></pre>
<div class="block">A memstore implementation which supports in-memory compaction.
A compaction pipeline is added between the active set and the snapshot data structures;
it consists of a list of segments that are subject to compaction.
Like the snapshot, all pipeline segments are read-only; updates only affect the active set.
To ensure this property we take advantage of the existing blocking mechanism -- the active set
is pushed to the pipeline while holding the region's updatesLock in exclusive mode.
Periodically, a compaction is applied in the background to all pipeline segments resulting
in a single read-only component. The ``old'' segments are discarded when no scanner is reading
them.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Class and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.IndexType.html" title="enum in org.apache.hadoop.hbase.regionserver">CompactingMemStore.IndexType</a></span></code>
<div class="block">Types of indexes (part of immutable segments) to be used after flattening,
compaction, or merge are applied.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.InMemoryCompactionRunnable.html" title="class in org.apache.hadoop.hbase.regionserver">CompactingMemStore.InMemoryCompactionRunnable</a></span></code>
<div class="block">The in-memory-flusher thread performs the flush asynchronously.</div>
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<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicBoolean.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicBoolean</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#allowCompaction">allowCompaction</a></span></code>&nbsp;</td>
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<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/CompactingMemStore.html#COMPACTING_MEMSTORE_TYPE_DEFAULT">COMPACTING_MEMSTORE_TYPE_DEFAULT</a></span></code>&nbsp;</td>
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<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/CompactingMemStore.html#COMPACTING_MEMSTORE_TYPE_KEY">COMPACTING_MEMSTORE_TYPE_KEY</a></span></code>&nbsp;</td>
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<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreCompactor.html" title="class in org.apache.hadoop.hbase.regionserver">MemStoreCompactor</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#compactor">compactor</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#compositeSnapshot">compositeSnapshot</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#DEEP_OVERHEAD">DEEP_OVERHEAD</a></span></code>&nbsp;</td>
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<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#IN_MEMORY_CONPACTION_POOL_SIZE_DEFAULT">IN_MEMORY_CONPACTION_POOL_SIZE_DEFAULT</a></span></code>&nbsp;</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/CompactingMemStore.html#IN_MEMORY_CONPACTION_POOL_SIZE_KEY">IN_MEMORY_CONPACTION_POOL_SIZE_KEY</a></span></code>&nbsp;</td>
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<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/CompactingMemStore.html#IN_MEMORY_FLUSH_MULTIPLIER">IN_MEMORY_FLUSH_MULTIPLIER</a></span></code>&nbsp;</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/CompactingMemStore.html#IN_MEMORY_FLUSH_THRESHOLD_FACTOR_KEY">IN_MEMORY_FLUSH_THRESHOLD_FACTOR_KEY</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.IndexType.html" title="enum in org.apache.hadoop.hbase.regionserver">CompactingMemStore.IndexType</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#indexType">indexType</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicBoolean.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicBoolean</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#inMemoryCompactionInProgress">inMemoryCompactionInProgress</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#inmemoryFlushSize">inmemoryFlushSize</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#inWalReplay">inWalReplay</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<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/CompactingMemStore.html#LOG">LOG</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactionPipeline.html" title="class in org.apache.hadoop.hbase.regionserver">CompactionPipeline</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#pipeline">pipeline</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/regionserver/HStore.html" title="class in org.apache.hadoop.hbase.regionserver">HStore</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#store">store</a></span></code>&nbsp;</td>
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<h3>Fields inherited from class&nbsp;org.apache.hadoop.hbase.regionserver.<a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html" title="class in org.apache.hadoop.hbase.regionserver">AbstractMemStore</a></h3>
<code><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#FIXED_OVERHEAD">FIXED_OVERHEAD</a>, <a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#regionServices">regionServices</a>, <a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#snapshot">snapshot</a>, <a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#snapshotId">snapshotId</a></code></li>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#CompactingMemStore-org.apache.hadoop.conf.Configuration-org.apache.hadoop.hbase.CellComparator-org.apache.hadoop.hbase.regionserver.HStore-org.apache.hadoop.hbase.regionserver.RegionServicesForStores-org.apache.hadoop.hbase.MemoryCompactionPolicy-">CompactingMemStore</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf,
<a href="../../../../../org/apache/hadoop/hbase/CellComparator.html" title="interface in org.apache.hadoop.hbase">CellComparator</a>&nbsp;c,
<a href="../../../../../org/apache/hadoop/hbase/regionserver/HStore.html" title="class in org.apache.hadoop.hbase.regionserver">HStore</a>&nbsp;store,
<a href="../../../../../org/apache/hadoop/hbase/regionserver/RegionServicesForStores.html" title="class in org.apache.hadoop.hbase.regionserver">RegionServicesForStores</a>&nbsp;regionServices,
<a href="../../../../../org/apache/hadoop/hbase/MemoryCompactionPolicy.html" title="enum in org.apache.hadoop.hbase">MemoryCompactionPolicy</a>&nbsp;compactionPolicy)</code>&nbsp;</td>
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<td class="colFirst"><code>private boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#checkAndAddToActiveSize-org.apache.hadoop.hbase.regionserver.MutableSegment-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.regionserver.MemStoreSizing-">checkAndAddToActiveSize</a></span>(<a href="../../../../../org/apache/hadoop/hbase/regionserver/MutableSegment.html" title="class in org.apache.hadoop.hbase.regionserver">MutableSegment</a>&nbsp;currActive,
<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;cellToAdd,
<a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreSizing.html" title="interface in org.apache.hadoop.hbase.regionserver">MemStoreSizing</a>&nbsp;memstoreSizing)</code>
<div class="block">Check whether anything need to be done based on the current active set size.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>protected <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>&lt;<a href="../../../../../org/apache/hadoop/hbase/regionserver/KeyValueScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">KeyValueScanner</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#createList-int-">createList</a></span>(int&nbsp;capacity)</code>&nbsp;</td>
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<tr id="i2" class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreCompactor.html" title="class in org.apache.hadoop.hbase.regionserver">MemStoreCompactor</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#createMemStoreCompactor-org.apache.hadoop.hbase.MemoryCompactionPolicy-">createMemStoreCompactor</a></span>(<a href="../../../../../org/apache/hadoop/hbase/MemoryCompactionPolicy.html" title="enum in org.apache.hadoop.hbase">MemoryCompactionPolicy</a>&nbsp;compactionPolicy)</code>&nbsp;</td>
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<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/CompactingMemStore.html#debug--">debug</a></span>()</code>&nbsp;</td>
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<tr id="i4" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#flattenOneSegment-long-org.apache.hadoop.hbase.regionserver.MemStoreCompactionStrategy.Action-">flattenOneSegment</a></span>(long&nbsp;requesterVersion,
<a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreCompactionStrategy.Action.html" title="enum in org.apache.hadoop.hbase.regionserver">MemStoreCompactionStrategy.Action</a>&nbsp;action)</code>&nbsp;</td>
</tr>
<tr id="i5" 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/CompactingMemStore.html#flushInMemory--">flushInMemory</a></span>()</code>&nbsp;</td>
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<tr id="i6" class="altColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#flushInMemory-org.apache.hadoop.hbase.regionserver.MutableSegment-">flushInMemory</a></span>(<a href="../../../../../org/apache/hadoop/hbase/regionserver/MutableSegment.html" title="class in org.apache.hadoop.hbase.regionserver">MutableSegment</a>&nbsp;currActive)</code>&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code><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/CompactingMemStore.html#getFamilyName--">getFamilyName</a></span>()</code>&nbsp;</td>
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<tr id="i8" class="altColor">
<td class="colFirst"><code>private byte[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#getFamilyNameInBytes--">getFamilyNameInBytes</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreSize.html" title="class in org.apache.hadoop.hbase.regionserver">MemStoreSize</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#getFlushableSize--">getFlushableSize</a></span>()</code>
<div class="block">Flush will first clear out the data in snapshot if any (It will take a second flush
invocation to clear the current Cell set).</div>
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<tr id="i10" class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/VersionedSegmentsList.html" title="class in org.apache.hadoop.hbase.regionserver">VersionedSegmentsList</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#getImmutableSegments--">getImmutableSegments</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.IndexType.html" title="enum in org.apache.hadoop.hbase.regionserver">CompactingMemStore.IndexType</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#getIndexType--">getIndexType</a></span>()</code>&nbsp;</td>
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<tr id="i12" class="altColor">
<td class="colFirst"><code>(package private) long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#getInmemoryFlushSize--">getInmemoryFlushSize</a></span>()</code>&nbsp;</td>
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<tr id="i13" class="rowColor">
<td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/regionserver/Segment.html" title="class in org.apache.hadoop.hbase.regionserver">Segment</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#getLastSegment--">getLastSegment</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>(package private) <a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#getNextRow-org.apache.hadoop.hbase.Cell-">getNextRow</a></span>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;cell)</code>&nbsp;</td>
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<tr id="i15" class="rowColor">
<td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ThreadPoolExecutor.html?is-external=true" title="class or interface in java.util.concurrent">ThreadPoolExecutor</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#getPool--">getPool</a></span>()</code>&nbsp;</td>
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<tr id="i16" class="altColor">
<td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/regionserver/RegionServicesForStores.html" title="class in org.apache.hadoop.hbase.regionserver">RegionServicesForStores</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#getRegionServices--">getRegionServices</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code><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>&lt;<a href="../../../../../org/apache/hadoop/hbase/regionserver/KeyValueScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">KeyValueScanner</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#getScanners-long-">getScanners</a></span>(long&nbsp;readPt)</code>&nbsp;</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code>protected <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>&lt;<a href="../../../../../org/apache/hadoop/hbase/regionserver/Segment.html" title="class in org.apache.hadoop.hbase.regionserver">Segment</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#getSegments--">getSegments</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#getSmallestReadPoint--">getSmallestReadPoint</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i20" class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/HStore.html" title="class in org.apache.hadoop.hbase.regionserver">HStore</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#getStore--">getStore</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i21" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#hasImmutableSegments--">hasImmutableSegments</a></span>()</code>&nbsp;</td>
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<tr id="i22" class="altColor">
<td class="colFirst"><code>protected long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#heapSize--">heapSize</a></span>()</code>&nbsp;</td>
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<tr id="i23" class="rowColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#initInmemoryFlushSize-org.apache.hadoop.conf.Configuration-">initInmemoryFlushSize</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf)</code>&nbsp;</td>
</tr>
<tr id="i24" 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/CompactingMemStore.html#inMemoryCompaction--">inMemoryCompaction</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i25" class="rowColor">
<td class="colFirst"><code>(package private) boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#isMemStoreFlushingInMemory--">isMemStoreFlushingInMemory</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i26" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#isSloppy--">isSloppy</a></span>()</code>&nbsp;</td>
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<tr id="i27" class="rowColor">
<td class="colFirst"><code>protected long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#keySize--">keySize</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i28" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#postUpdate-org.apache.hadoop.hbase.regionserver.MutableSegment-">postUpdate</a></span>(<a href="../../../../../org/apache/hadoop/hbase/regionserver/MutableSegment.html" title="class in org.apache.hadoop.hbase.regionserver">MutableSegment</a>&nbsp;currentActive)</code>
<div class="block">Issue any post update synchronization and tests</div>
</td>
</tr>
<tr id="i29" class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#preFlushSeqIDEstimation--">preFlushSeqIDEstimation</a></span>()</code>
<div class="block">This method is called before the flush is executed.</div>
</td>
</tr>
<tr id="i30" class="altColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#preUpdate-org.apache.hadoop.hbase.regionserver.MutableSegment-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.regionserver.MemStoreSizing-">preUpdate</a></span>(<a href="../../../../../org/apache/hadoop/hbase/regionserver/MutableSegment.html" title="class in org.apache.hadoop.hbase.regionserver">MutableSegment</a>&nbsp;currentActive,
<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;cell,
<a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreSizing.html" title="interface in org.apache.hadoop.hbase.regionserver">MemStoreSizing</a>&nbsp;memstoreSizing)</code>
<div class="block">Issue any synchronization and test needed before applying the update
For compacting memstore this means checking the update can increase the size without
overflow</div>
</td>
</tr>
<tr id="i31" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#pushActiveToPipeline-org.apache.hadoop.hbase.regionserver.MutableSegment-">pushActiveToPipeline</a></span>(<a href="../../../../../org/apache/hadoop/hbase/regionserver/MutableSegment.html" title="class in org.apache.hadoop.hbase.regionserver">MutableSegment</a>&nbsp;currActive)</code>&nbsp;</td>
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<tr id="i32" class="altColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#pushPipelineToSnapshot--">pushPipelineToSnapshot</a></span>()</code>&nbsp;</td>
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<tr id="i33" class="rowColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#pushTailToSnapshot--">pushTailToSnapshot</a></span>()</code>&nbsp;</td>
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<tr id="i34" class="altColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#pushToSnapshot-java.util.List-">pushToSnapshot</a></span>(<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>&lt;<a href="../../../../../org/apache/hadoop/hbase/regionserver/ImmutableSegment.html" title="class in org.apache.hadoop.hbase.regionserver">ImmutableSegment</a>&gt;&nbsp;segments)</code>&nbsp;</td>
</tr>
<tr id="i35" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#setCompositeSnapshot-boolean-">setCompositeSnapshot</a></span>(boolean&nbsp;useCompositeSnapshot)</code>&nbsp;</td>
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<tr id="i36" 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/CompactingMemStore.html#setIndexType-org.apache.hadoop.hbase.regionserver.CompactingMemStore.IndexType-">setIndexType</a></span>(<a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.IndexType.html" title="enum in org.apache.hadoop.hbase.regionserver">CompactingMemStore.IndexType</a>&nbsp;type)</code>&nbsp;</td>
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<tr id="i37" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#setInMemoryCompactionCompleted--">setInMemoryCompactionCompleted</a></span>()</code>&nbsp;</td>
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<tr id="i38" class="altColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#setInMemoryCompactionFlag--">setInMemoryCompactionFlag</a></span>()</code>&nbsp;</td>
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<tr id="i39" class="rowColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#shouldFlushInMemory-org.apache.hadoop.hbase.regionserver.MutableSegment-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.regionserver.MemStoreSizing-">shouldFlushInMemory</a></span>(<a href="../../../../../org/apache/hadoop/hbase/regionserver/MutableSegment.html" title="class in org.apache.hadoop.hbase.regionserver">MutableSegment</a>&nbsp;currActive,
<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;cellToAdd,
<a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreSizing.html" title="interface in org.apache.hadoop.hbase.regionserver">MemStoreSizing</a>&nbsp;memstoreSizing)</code>&nbsp;</td>
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<tr id="i40" class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreSize.html" title="class in org.apache.hadoop.hbase.regionserver">MemStoreSize</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#size--">size</a></span>()</code>&nbsp;</td>
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<tr id="i41" class="rowColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#sizeAddedPreOperation--">sizeAddedPreOperation</a></span>()</code>&nbsp;</td>
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<tr id="i42" class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreSnapshot.html" title="class in org.apache.hadoop.hbase.regionserver">MemStoreSnapshot</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#snapshot--">snapshot</a></span>()</code>
<div class="block">Push the current active memstore segment into the pipeline
and create a snapshot of the tail of current compaction pipeline
Snapshot must be cleared by call to <a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#clearSnapshot-long-"><code>AbstractMemStore.clearSnapshot(long)</code></a>.</div>
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<tr id="i43" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#startReplayingFromWAL--">startReplayingFromWAL</a></span>()</code>
<div class="block">This message intends to inform the MemStore that next coming updates
are going to be part of the replaying edits from WAL</div>
</td>
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<tr id="i44" class="altColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#stopCompaction--">stopCompaction</a></span>()</code>
<div class="block">The request to cancel the compaction asynchronous task (caused by in-memory flush)
The compaction may still happen if the request was sent too late
Non-blocking request</div>
</td>
</tr>
<tr id="i45" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#stopReplayingFromWAL--">stopReplayingFromWAL</a></span>()</code>
<div class="block">This message intends to inform the MemStore that the replaying edits from WAL
are done</div>
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<tr id="i46" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#swapCompactedSegments-org.apache.hadoop.hbase.regionserver.VersionedSegmentsList-org.apache.hadoop.hbase.regionserver.ImmutableSegment-boolean-">swapCompactedSegments</a></span>(<a href="../../../../../org/apache/hadoop/hbase/regionserver/VersionedSegmentsList.html" title="class in org.apache.hadoop.hbase.regionserver">VersionedSegmentsList</a>&nbsp;versionedList,
<a href="../../../../../org/apache/hadoop/hbase/regionserver/ImmutableSegment.html" title="class in org.apache.hadoop.hbase.regionserver">ImmutableSegment</a>&nbsp;result,
boolean&nbsp;merge)</code>&nbsp;</td>
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<tr id="i47" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html#updateLowestUnflushedSequenceIdInWAL-boolean-">updateLowestUnflushedSequenceIdInWAL</a></span>(boolean&nbsp;onlyIfGreater)</code>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>Total memory occupied by this MemStore. This won't include any size occupied by the
snapshot. We assume the snapshot will get cleared soon. This is not thread safe and
the memstore may be changed while computing its size. It is the responsibility of the
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<dt><span class="returnLabel">Returns:</span></dt>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#updateLowestUnflushedSequenceIdInWAL-boolean-">updateLowestUnflushedSequenceIdInWAL</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html" title="class in org.apache.hadoop.hbase.regionserver">AbstractMemStore</a></code></dd>
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<dd><code>cell</code> - the cell to be added</dd>
<dd><code>memstoreSizing</code> - object to accumulate region size changes</dd>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>scanner over the memstore. This might include scanner over the snapshot when one is
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<dt><span class="throwsLabel">Throws:</span></dt>
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