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<div class="subTitle">org.apache.hadoop.hbase.replication.regionserver</div>
<h2 title="Class ReplicationSourceWALReader" class="title">Class ReplicationSourceWALReader</h2>
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<li>org.apache.hadoop.hbase.replication.regionserver.ReplicationSourceWALReader</li>
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<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/SerialReplicationSourceWALReader.html" title="class in org.apache.hadoop.hbase.replication.regionserver">SerialReplicationSourceWALReader</a></dd>
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<pre>@InterfaceAudience.Private
@InterfaceStability.Evolving
class <a href="../../../../../../src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#line.54">ReplicationSourceWALReader</a>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true" title="class or interface in java.lang">Thread</a></pre>
<div class="block">Reads and filters WAL entries, groups the filtered entries into batches, and puts the batches
onto a queue</div>
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<h3>Nested classes/interfaces inherited from class&nbsp;java.lang.<a href="https://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="https://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="https://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>
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<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 org.apache.hadoop.conf.Configuration</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#conf">conf</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#currentPosition">currentPosition</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) <a href="https://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>&lt;<a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/WALEntryBatch.html" title="class in org.apache.hadoop.hbase.replication.regionserver">WALEntryBatch</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#entryBatchQueue">entryBatchQueue</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#eofAutoRecovery">eofAutoRecovery</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private <a href="../../../../../../org/apache/hadoop/hbase/replication/WALEntryFilter.html" title="interface in org.apache.hadoop.hbase.replication">WALEntryFilter</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#filter">filter</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private org.apache.hadoop.fs.FileSystem</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#fs">fs</a></span></code>&nbsp;</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/replication/regionserver/ReplicationSourceWALReader.html#isReaderRunning">isReaderRunning</a></span></code>&nbsp;</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/replication/regionserver/ReplicationSourceWALReader.html#LOG">LOG</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/PriorityBlockingQueue.html?is-external=true" title="class or interface in java.util.concurrent">PriorityBlockingQueue</a>&lt;org.apache.hadoop.fs.Path&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#logQueue">logQueue</a></span></code>&nbsp;</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/replication/regionserver/ReplicationSourceWALReader.html#maxRetriesMultiplier">maxRetriesMultiplier</a></span></code>&nbsp;</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/replication/regionserver/ReplicationSourceWALReader.html#replicationBatchCountCapacity">replicationBatchCountCapacity</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#replicationBatchSizeCapacity">replicationBatchSizeCapacity</a></span></code>&nbsp;</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/replication/regionserver/ReplicationSourceWALReader.html#sleepForRetries">sleepForRetries</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private <a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.html" title="class in org.apache.hadoop.hbase.replication.regionserver">ReplicationSource</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#source">source</a></span></code>&nbsp;</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/replication/regionserver/ReplicationSourceWALReader.html#totalBufferQuota">totalBufferQuota</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/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/replication/regionserver/ReplicationSourceWALReader.html#totalBufferUsed">totalBufferUsed</a></span></code>&nbsp;</td>
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<h3>Fields inherited from class&nbsp;java.lang.<a href="https://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="https://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="https://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="https://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>
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<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">&nbsp;</span></caption>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#ReplicationSourceWALReader-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.conf.Configuration-java.util.concurrent.PriorityBlockingQueue-long-org.apache.hadoop.hbase.replication.WALEntryFilter-org.apache.hadoop.hbase.replication.regionserver.ReplicationSource-">ReplicationSourceWALReader</a></span>(org.apache.hadoop.fs.FileSystem&nbsp;fs,
org.apache.hadoop.conf.Configuration&nbsp;conf,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/PriorityBlockingQueue.html?is-external=true" title="class or interface in java.util.concurrent">PriorityBlockingQueue</a>&lt;org.apache.hadoop.fs.Path&gt;&nbsp;logQueue,
long&nbsp;startPosition,
<a href="../../../../../../org/apache/hadoop/hbase/replication/WALEntryFilter.html" title="interface in org.apache.hadoop.hbase.replication">WALEntryFilter</a>&nbsp;filter,
<a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.html" title="class in org.apache.hadoop.hbase.replication.regionserver">ReplicationSource</a>&nbsp;source)</code>
<div class="block">Creates a reader worker for a given WAL queue.</div>
</td>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</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/replication/regionserver/ReplicationSourceWALReader.html#acquireBufferQuota-long-">acquireBufferQuota</a></span>(long&nbsp;size)</code>&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#addEntryToBatch-org.apache.hadoop.hbase.replication.regionserver.WALEntryBatch-org.apache.hadoop.hbase.wal.WAL.Entry-">addEntryToBatch</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/WALEntryBatch.html" title="class in org.apache.hadoop.hbase.replication.regionserver">WALEntryBatch</a>&nbsp;batch,
<a href="../../../../../../org/apache/hadoop/hbase/wal/WAL.Entry.html" title="class in org.apache.hadoop.hbase.wal">WAL.Entry</a>&nbsp;entry)</code>&nbsp;</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>private boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#checkQuota--">checkQuota</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>private <a href="../../../../../../org/apache/hadoop/hbase/util/Pair.html" title="class in org.apache.hadoop.hbase.util">Pair</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#countDistinctRowKeysAndHFiles-org.apache.hadoop.hbase.wal.WALEdit-">countDistinctRowKeysAndHFiles</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/wal/WALEdit.html" title="class in org.apache.hadoop.hbase.wal">WALEdit</a>&nbsp;edit)</code>
<div class="block">Count the number of different row keys in the given edit because of mini-batching.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/WALEntryBatch.html" title="class in org.apache.hadoop.hbase.replication.regionserver">WALEntryBatch</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#createBatch-org.apache.hadoop.hbase.replication.regionserver.WALEntryStream-">createBatch</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/WALEntryStream.html" title="class in org.apache.hadoop.hbase.replication.regionserver">WALEntryStream</a>&nbsp;entryStream)</code>&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../../../org/apache/hadoop/hbase/wal/WAL.Entry.html" title="class in org.apache.hadoop.hbase.wal">WAL.Entry</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#filterEntry-org.apache.hadoop.hbase.wal.WAL.Entry-">filterEntry</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/wal/WAL.Entry.html" title="class in org.apache.hadoop.hbase.wal">WAL.Entry</a>&nbsp;entry)</code>&nbsp;</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>org.apache.hadoop.fs.Path</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#getCurrentPath--">getCurrentPath</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>static long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#getEntrySizeExcludeBulkLoad-org.apache.hadoop.hbase.wal.WAL.Entry-">getEntrySizeExcludeBulkLoad</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/wal/WAL.Entry.html" title="class in org.apache.hadoop.hbase.wal">WAL.Entry</a>&nbsp;entry)</code>&nbsp;</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>private long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#getEntrySizeIncludeBulkLoad-org.apache.hadoop.hbase.wal.WAL.Entry-">getEntrySizeIncludeBulkLoad</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/wal/WAL.Entry.html" title="class in org.apache.hadoop.hbase.wal">WAL.Entry</a>&nbsp;entry)</code>&nbsp;</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#handleEmptyWALEntryBatch--">handleEmptyWALEntryBatch</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#handleEofException-java.io.IOException-">handleEofException</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>&nbsp;e)</code>&nbsp;</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#isReaderRunning--">isReaderRunning</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/WALEntryBatch.html" title="class in org.apache.hadoop.hbase.replication.regionserver">WALEntryBatch</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#poll-long-">poll</a></span>(long&nbsp;timeout)</code>&nbsp;</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/WALEntryBatch.html" title="class in org.apache.hadoop.hbase.replication.regionserver">WALEntryBatch</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#readWALEntries-org.apache.hadoop.hbase.replication.regionserver.WALEntryStream-">readWALEntries</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/WALEntryStream.html" title="class in org.apache.hadoop.hbase.replication.regionserver">WALEntryStream</a>&nbsp;entryStream)</code>&nbsp;</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#run--">run</a></span>()</code>&nbsp;</td>
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<tr id="i15" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#setReaderRunning-boolean-">setReaderRunning</a></span>(boolean&nbsp;readerRunning)</code>&nbsp;</td>
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<tr id="i16" class="altColor">
<td class="colFirst"><code>private int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#sizeOfStoreFilesIncludeBulkLoad-org.apache.hadoop.hbase.wal.WALEdit-">sizeOfStoreFilesIncludeBulkLoad</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/wal/WALEdit.html" title="class in org.apache.hadoop.hbase.wal">WALEdit</a>&nbsp;edit)</code>
<div class="block">Calculate the total size of all the store files</div>
</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>protected static boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#switched-org.apache.hadoop.hbase.replication.regionserver.WALEntryStream-org.apache.hadoop.fs.Path-">switched</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/WALEntryStream.html" title="class in org.apache.hadoop.hbase.replication.regionserver">WALEntryStream</a>&nbsp;entryStream,
org.apache.hadoop.fs.Path&nbsp;path)</code>&nbsp;</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/WALEntryBatch.html" title="class in org.apache.hadoop.hbase.replication.regionserver">WALEntryBatch</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#take--">take</a></span>()</code>
<div class="block">Retrieves the next batch of WAL entries from the queue, waiting up to the specified time for a
batch to become available</div>
</td>
</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#updateBatchStats-org.apache.hadoop.hbase.replication.regionserver.WALEntryBatch-org.apache.hadoop.hbase.wal.WAL.Entry-long-">updateBatchStats</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/WALEntryBatch.html" title="class in org.apache.hadoop.hbase.replication.regionserver">WALEntryBatch</a>&nbsp;batch,
<a href="../../../../../../org/apache/hadoop/hbase/wal/WAL.Entry.html" title="class in org.apache.hadoop.hbase.wal">WAL.Entry</a>&nbsp;entry,
long&nbsp;entrySize)</code>&nbsp;</td>
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<pre>private static final&nbsp;org.slf4j.Logger <a href="../../../../../../src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#line.55">LOG</a></pre>
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<pre>private final&nbsp;org.apache.hadoop.fs.FileSystem <a href="../../../../../../src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#line.58">fs</a></pre>
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<pre>private final&nbsp;org.apache.hadoop.conf.Configuration <a href="../../../../../../src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#line.59">conf</a></pre>
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<pre>private final&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/replication/WALEntryFilter.html" title="interface in org.apache.hadoop.hbase.replication">WALEntryFilter</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#line.60">filter</a></pre>
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<pre>private final&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.html" title="class in org.apache.hadoop.hbase.replication.regionserver">ReplicationSource</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#line.61">source</a></pre>
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<pre>@InterfaceAudience.Private
final&nbsp;<a href="https://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>&lt;<a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/WALEntryBatch.html" title="class in org.apache.hadoop.hbase.replication.regionserver">WALEntryBatch</a>&gt; <a href="../../../../../../src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#line.64">entryBatchQueue</a></pre>
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<pre>private final&nbsp;long <a href="../../../../../../src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#line.66">replicationBatchSizeCapacity</a></pre>
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<pre>private final&nbsp;int <a href="../../../../../../src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#line.68">replicationBatchCountCapacity</a></pre>
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<pre>private final&nbsp;long <a href="../../../../../../src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#line.71">sleepForRetries</a></pre>
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<pre>private final&nbsp;int <a href="../../../../../../src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#line.72">maxRetriesMultiplier</a></pre>
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<pre>private&nbsp;boolean <a href="../../../../../../src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#line.76">isReaderRunning</a></pre>
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<pre>private&nbsp;<a href="https://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> <a href="../../../../../../src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#line.78">totalBufferUsed</a></pre>
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<pre>private&nbsp;long <a href="../../../../../../src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#line.79">totalBufferQuota</a></pre>
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<a name="ReplicationSourceWALReader-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.conf.Configuration-java.util.concurrent.PriorityBlockingQueue-long-org.apache.hadoop.hbase.replication.WALEntryFilter-org.apache.hadoop.hbase.replication.regionserver.ReplicationSource-">
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<h4>ReplicationSourceWALReader</h4>
<pre>public&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#line.91">ReplicationSourceWALReader</a>(org.apache.hadoop.fs.FileSystem&nbsp;fs,
org.apache.hadoop.conf.Configuration&nbsp;conf,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/PriorityBlockingQueue.html?is-external=true" title="class or interface in java.util.concurrent">PriorityBlockingQueue</a>&lt;org.apache.hadoop.fs.Path&gt;&nbsp;logQueue,
long&nbsp;startPosition,
<a href="../../../../../../org/apache/hadoop/hbase/replication/WALEntryFilter.html" title="interface in org.apache.hadoop.hbase.replication">WALEntryFilter</a>&nbsp;filter,
<a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.html" title="class in org.apache.hadoop.hbase.replication.regionserver">ReplicationSource</a>&nbsp;source)</pre>
<div class="block">Creates a reader worker for a given WAL queue. Reads WAL entries off a given queue, batches the
entries, and puts them on a batch queue.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>fs</code> - the files system to use</dd>
<dd><code>conf</code> - configuration to use</dd>
<dd><code>logQueue</code> - The WAL queue to read off of</dd>
<dd><code>startPosition</code> - position in the first WAL to start reading from</dd>
<dd><code>filter</code> - The filter to use while reading</dd>
<dd><code>source</code> - replication source</dd>
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<pre>public&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#line.122">run</a>()</pre>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Runnable.html?is-external=true#run--" title="class or interface in java.lang">run</a></code>&nbsp;in interface&nbsp;<code><a href="https://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="https://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>&nbsp;in class&nbsp;<code><a href="https://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>
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<pre>protected final&nbsp;boolean&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#line.167">addEntryToBatch</a>(<a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/WALEntryBatch.html" title="class in org.apache.hadoop.hbase.replication.regionserver">WALEntryBatch</a>&nbsp;batch,
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<pre>protected static final&nbsp;boolean&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#line.186">switched</a>(<a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/WALEntryStream.html" title="class in org.apache.hadoop.hbase.replication.regionserver">WALEntryStream</a>&nbsp;entryStream,
org.apache.hadoop.fs.Path&nbsp;path)</pre>
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<pre>protected&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/WALEntryBatch.html" title="class in org.apache.hadoop.hbase.replication.regionserver">WALEntryBatch</a>&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#line.191">readWALEntries</a>(<a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/WALEntryStream.html" title="class in org.apache.hadoop.hbase.replication.regionserver">WALEntryStream</a>&nbsp;entryStream)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code></dd>
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<pre>private&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#line.233">handleEmptyWALEntryBatch</a>()
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code></dd>
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<pre>private&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#line.249">handleEofException</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>&nbsp;e)</pre>
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<pre>public&nbsp;org.apache.hadoop.fs.Path&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#line.264">getCurrentPath</a>()</pre>
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<pre>private&nbsp;boolean&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#line.275">checkQuota</a>()</pre>
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<h4>createBatch</h4>
<pre>protected final&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/WALEntryBatch.html" title="class in org.apache.hadoop.hbase.replication.regionserver">WALEntryBatch</a>&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#line.286">createBatch</a>(<a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/WALEntryStream.html" title="class in org.apache.hadoop.hbase.replication.regionserver">WALEntryStream</a>&nbsp;entryStream)</pre>
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<pre>protected final&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/wal/WAL.Entry.html" title="class in org.apache.hadoop.hbase.wal">WAL.Entry</a>&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#line.290">filterEntry</a>(<a href="../../../../../../org/apache/hadoop/hbase/wal/WAL.Entry.html" title="class in org.apache.hadoop.hbase.wal">WAL.Entry</a>&nbsp;entry)</pre>
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<pre>public&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/WALEntryBatch.html" title="class in org.apache.hadoop.hbase.replication.regionserver">WALEntryBatch</a>&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#line.305">take</a>()
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre>
<div class="block">Retrieves the next batch of WAL entries from the queue, waiting up to the specified time for a
batch to become available</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>A batch of entries, along with the position in the log after reading the batch</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code> - if interrupted while waiting</dd>
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<pre>public&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/WALEntryBatch.html" title="class in org.apache.hadoop.hbase.replication.regionserver">WALEntryBatch</a>&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#line.309">poll</a>(long&nbsp;timeout)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code></dd>
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<pre>public static&nbsp;long&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#line.318">getEntrySizeExcludeBulkLoad</a>(<a href="../../../../../../org/apache/hadoop/hbase/wal/WAL.Entry.html" title="class in org.apache.hadoop.hbase.wal">WAL.Entry</a>&nbsp;entry)</pre>
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<a href="../../../../../../org/apache/hadoop/hbase/wal/WAL.Entry.html" title="class in org.apache.hadoop.hbase.wal">WAL.Entry</a>&nbsp;entry,
long&nbsp;entrySize)</pre>
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<pre>private&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/util/Pair.html" title="class in org.apache.hadoop.hbase.util">Pair</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>&gt;&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#line.339">countDistinctRowKeysAndHFiles</a>(<a href="../../../../../../org/apache/hadoop/hbase/wal/WALEdit.html" title="class in org.apache.hadoop.hbase.wal">WALEdit</a>&nbsp;edit)</pre>
<div class="block">Count the number of different row keys in the given edit because of mini-batching. We assume
that there's at least one Cell in the WALEdit.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>edit</code> - edit to count row keys from</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>number of different row keys and HFiles</dd>
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<pre>private&nbsp;int&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#line.377">sizeOfStoreFilesIncludeBulkLoad</a>(<a href="../../../../../../org/apache/hadoop/hbase/wal/WALEdit.html" title="class in org.apache.hadoop.hbase.wal">WALEdit</a>&nbsp;edit)</pre>
<div class="block">Calculate the total size of all the store files</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>edit</code> - edit to count row keys from</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the total size of the store files</dd>
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<pre>private&nbsp;boolean&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#line.407">acquireBufferQuota</a>(long&nbsp;size)</pre>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>size</code> - delta size for grown buffer</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if we should clear buffer and push all</dd>
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<pre>public&nbsp;boolean&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#line.417">isReaderRunning</a>()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>whether the reader thread is running</dd>
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<pre>public&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html#line.424">setReaderRunning</a>(boolean&nbsp;readerRunning)</pre>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>readerRunning</code> - the readerRunning to set</dd>
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