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<div class="subTitle">org.apache.hadoop.hbase.wal</div>
<h2 title="Class SyncReplicationWALProvider" class="title">Class SyncReplicationWALProvider</h2>
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<li>org.apache.hadoop.hbase.wal.SyncReplicationWALProvider</li>
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<dl>
<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../../org/apache/hadoop/hbase/replication/regionserver/PeerActionListener.html" title="interface in org.apache.hadoop.hbase.replication.regionserver">PeerActionListener</a>, <a href="../../../../../org/apache/hadoop/hbase/wal/WALProvider.html" title="interface in org.apache.hadoop.hbase.wal">WALProvider</a></dd>
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<pre>@InterfaceAudience.Private
public class <a href="../../../../../src-html/org/apache/hadoop/hbase/wal/SyncReplicationWALProvider.html#line.69">SyncReplicationWALProvider</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>
implements <a href="../../../../../org/apache/hadoop/hbase/wal/WALProvider.html" title="interface in org.apache.hadoop.hbase.wal">WALProvider</a>, <a href="../../../../../org/apache/hadoop/hbase/replication/regionserver/PeerActionListener.html" title="interface in org.apache.hadoop.hbase.replication.regionserver">PeerActionListener</a></pre>
<div class="block">The special <a href="../../../../../org/apache/hadoop/hbase/wal/WALProvider.html" title="interface in org.apache.hadoop.hbase.wal"><code>WALProvider</code></a> for synchronous replication.
<p>
It works like an interceptor, when getting WAL, first it will check if the given region should be
replicated synchronously, if so it will return a special WAL for it, otherwise it will delegate
the request to the normal <a href="../../../../../org/apache/hadoop/hbase/wal/WALProvider.html" title="interface in org.apache.hadoop.hbase.wal"><code>WALProvider</code></a>.</div>
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<caption><span>Nested Classes</span><span class="tabEnd">&nbsp;</span></caption>
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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>private static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/wal/SyncReplicationWALProvider.DefaultSyncReplicationPeerInfoProvider.html" title="class in org.apache.hadoop.hbase.wal">SyncReplicationWALProvider.DefaultSyncReplicationPeerInfoProvider</a></span></code>&nbsp;</td>
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<h3>Nested classes/interfaces inherited from interface&nbsp;org.apache.hadoop.hbase.wal.<a href="../../../../../org/apache/hadoop/hbase/wal/WALProvider.html" title="interface in org.apache.hadoop.hbase.wal">WALProvider</a></h3>
<code><a href="../../../../../org/apache/hadoop/hbase/wal/WALProvider.AsyncWriter.html" title="interface in org.apache.hadoop.hbase.wal">WALProvider.AsyncWriter</a>, <a href="../../../../../org/apache/hadoop/hbase/wal/WALProvider.Writer.html" title="interface in org.apache.hadoop.hbase.wal">WALProvider.Writer</a>, <a href="../../../../../org/apache/hadoop/hbase/wal/WALProvider.WriterBase.html" title="interface in org.apache.hadoop.hbase.wal">WALProvider.WriterBase</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>
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<td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;? extends org.apache.hbase.thirdparty.io.netty.channel.Channel&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/wal/SyncReplicationWALProvider.html#channelClass">channelClass</a></span></code>&nbsp;</td>
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<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/wal/SyncReplicationWALProvider.html#conf">conf</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/util/KeyLocker.html" title="class in org.apache.hadoop.hbase.util">KeyLocker</a>&lt;<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>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/wal/SyncReplicationWALProvider.html#createLock">createLock</a></span></code>&nbsp;</td>
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<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/wal/SyncReplicationWALProvider.html#DUAL_WAL_IMPL">DUAL_WAL_IMPL</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private org.apache.hbase.thirdparty.io.netty.channel.EventLoopGroup</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/wal/SyncReplicationWALProvider.html#eventLoopGroup">eventLoopGroup</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/wal/WALFactory.html" title="class in org.apache.hadoop.hbase.wal">WALFactory</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/wal/SyncReplicationWALProvider.html#factory">factory</a></span></code>&nbsp;</td>
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<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/wal/SyncReplicationWALProvider.html#initialized">initialized</a></span></code>&nbsp;</td>
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<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>&lt;<a href="../../../../../org/apache/hadoop/hbase/regionserver/wal/WALActionsListener.html" title="interface in org.apache.hadoop.hbase.regionserver.wal">WALActionsListener</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/wal/SyncReplicationWALProvider.html#listeners">listeners</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private static org.slf4j.Logger</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/wal/SyncReplicationWALProvider.html#LOG">LOG</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/regex/Pattern.html?is-external=true" title="class or interface in java.util.regex">Pattern</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/wal/SyncReplicationWALProvider.html#LOG_PREFIX_PATTERN">LOG_PREFIX_PATTERN</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ConcurrentMap.html?is-external=true" title="class or interface in java.util.concurrent">ConcurrentMap</a>&lt;<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>,<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Optional.html?is-external=true" title="class or interface in java.util">Optional</a>&lt;<a href="../../../../../org/apache/hadoop/hbase/regionserver/wal/DualAsyncFSWAL.html" title="class in org.apache.hadoop.hbase.regionserver.wal">DualAsyncFSWAL</a>&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/wal/SyncReplicationWALProvider.html#peerId2WAL">peerId2WAL</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/replication/regionserver/SyncReplicationPeerInfoProvider.html" title="interface in org.apache.hadoop.hbase.replication.regionserver">SyncReplicationPeerInfoProvider</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/wal/SyncReplicationWALProvider.html#peerInfoProvider">peerInfoProvider</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/wal/WALProvider.html" title="interface in org.apache.hadoop.hbase.wal">WALProvider</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/wal/SyncReplicationWALProvider.html#provider">provider</a></span></code>&nbsp;</td>
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<h3>Fields inherited from interface&nbsp;org.apache.hadoop.hbase.replication.regionserver.<a href="../../../../../org/apache/hadoop/hbase/replication/regionserver/PeerActionListener.html" title="interface in org.apache.hadoop.hbase.replication.regionserver">PeerActionListener</a></h3>
<code><a href="../../../../../org/apache/hadoop/hbase/replication/regionserver/PeerActionListener.html#DUMMY">DUMMY</a></code></li>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/wal/SyncReplicationWALProvider.html#SyncReplicationWALProvider-org.apache.hadoop.hbase.wal.WALProvider-">SyncReplicationWALProvider</a></span>(<a href="../../../../../org/apache/hadoop/hbase/wal/WALProvider.html" title="interface in org.apache.hadoop.hbase.wal">WALProvider</a>&nbsp;provider)</code>&nbsp;</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>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/wal/SyncReplicationWALProvider.html#addWALActionsListener-org.apache.hadoop.hbase.regionserver.wal.WALActionsListener-">addWALActionsListener</a></span>(<a href="../../../../../org/apache/hadoop/hbase/regionserver/wal/WALActionsListener.html" title="interface in org.apache.hadoop.hbase.regionserver.wal">WALActionsListener</a>&nbsp;listener)</code>
<div class="block">Add a <a href="../../../../../org/apache/hadoop/hbase/regionserver/wal/WALActionsListener.html" title="interface in org.apache.hadoop.hbase.regionserver.wal"><code>WALActionsListener</code></a>.</div>
</td>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/wal/SyncReplicationWALProvider.html#close--">close</a></span>()</code>
<div class="block">shutdown utstanding WALs and clean up any persisted state.</div>
</td>
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<tr id="i2" class="altColor">
<td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/regionserver/wal/DualAsyncFSWAL.html" title="class in org.apache.hadoop.hbase.regionserver.wal">DualAsyncFSWAL</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/wal/SyncReplicationWALProvider.html#createWAL-java.lang.String-java.lang.String-">createWAL</a></span>(<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>&nbsp;peerId,
<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>&nbsp;remoteWALDir)</code>&nbsp;</td>
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<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/wal/SyncReplicationWALProvider.html#getLogFileSize--">getLogFileSize</a></span>()</code>
<div class="block">Get size of the log files this provider is managing</div>
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<tr id="i4" class="altColor">
<td class="colFirst"><code>private <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/wal/SyncReplicationWALProvider.html#getLogPrefix-java.lang.String-">getLogPrefix</a></span>(<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>&nbsp;peerId)</code>&nbsp;</td>
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<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/wal/SyncReplicationWALProvider.html#getNumLogFiles--">getNumLogFiles</a></span>()</code>
<div class="block">Get number of the log files this provider is managing</div>
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<tr id="i6" class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Optional.html?is-external=true" title="class or interface in java.util">Optional</a>&lt;<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>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/wal/SyncReplicationWALProvider.html#getSyncReplicationPeerIdFromWALName-java.lang.String-">getSyncReplicationPeerIdFromWALName</a></span>(<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>&nbsp;name)</code>
<div class="block">
Returns the peer id if the wal file name is in the special group for a sync replication peer.</div>
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<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/wal/WAL.html" title="interface in org.apache.hadoop.hbase.wal">WAL</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/wal/SyncReplicationWALProvider.html#getWAL-org.apache.hadoop.hbase.client.RegionInfo-">getWAL</a></span>(<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&nbsp;region)</code>&nbsp;</td>
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<td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/regionserver/wal/DualAsyncFSWAL.html" title="class in org.apache.hadoop.hbase.regionserver.wal">DualAsyncFSWAL</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/wal/SyncReplicationWALProvider.html#getWAL-java.lang.String-java.lang.String-">getWAL</a></span>(<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>&nbsp;peerId,
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<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/wal/WAL.html" title="interface in org.apache.hadoop.hbase.wal">WAL</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/wal/SyncReplicationWALProvider.html#getWALs--">getWALs</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/util/stream/Stream.html?is-external=true" title="class or interface in java.util.stream">Stream</a>&lt;<a href="../../../../../org/apache/hadoop/hbase/wal/WAL.html" title="interface in org.apache.hadoop.hbase.wal">WAL</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/wal/SyncReplicationWALProvider.html#getWALStream--">getWALStream</a></span>()</code>&nbsp;</td>
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<tr id="i11" class="rowColor">
<td class="colFirst"><code>(package private) <a href="../../../../../org/apache/hadoop/hbase/wal/WALProvider.html" title="interface in org.apache.hadoop.hbase.wal">WALProvider</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/wal/SyncReplicationWALProvider.html#getWrappedProvider--">getWrappedProvider</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/wal/SyncReplicationWALProvider.html#init-org.apache.hadoop.hbase.wal.WALFactory-org.apache.hadoop.conf.Configuration-java.lang.String-org.apache.hadoop.hbase.Abortable-">init</a></span>(<a href="../../../../../org/apache/hadoop/hbase/wal/WALFactory.html" title="class in org.apache.hadoop.hbase.wal">WALFactory</a>&nbsp;factory,
org.apache.hadoop.conf.Configuration&nbsp;conf,
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<a href="../../../../../org/apache/hadoop/hbase/Abortable.html" title="interface in org.apache.hadoop.hbase">Abortable</a>&nbsp;abortable)</code>
<div class="block">Set up the provider to create wals.</div>
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<tr id="i13" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/wal/SyncReplicationWALProvider.html#peerSyncReplicationStateChange-java.lang.String-org.apache.hadoop.hbase.replication.SyncReplicationState-org.apache.hadoop.hbase.replication.SyncReplicationState-int-">peerSyncReplicationStateChange</a></span>(<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>&nbsp;peerId,
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<a href="../../../../../org/apache/hadoop/hbase/replication/SyncReplicationState.html" title="enum in org.apache.hadoop.hbase.replication">SyncReplicationState</a>&nbsp;to,
int&nbsp;stage)</code>&nbsp;</td>
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<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/wal/SyncReplicationWALProvider.html#safeClose-org.apache.hadoop.hbase.wal.WAL-">safeClose</a></span>(<a href="../../../../../org/apache/hadoop/hbase/wal/WAL.html" title="interface in org.apache.hadoop.hbase.wal">WAL</a>&nbsp;wal)</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/wal/SyncReplicationWALProvider.html#setPeerInfoProvider-org.apache.hadoop.hbase.replication.regionserver.SyncReplicationPeerInfoProvider-">setPeerInfoProvider</a></span>(<a href="../../../../../org/apache/hadoop/hbase/replication/regionserver/SyncReplicationPeerInfoProvider.html" title="interface in org.apache.hadoop.hbase.replication.regionserver">SyncReplicationPeerInfoProvider</a>&nbsp;peerInfoProvider)</code>&nbsp;</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/wal/SyncReplicationWALProvider.html#shutdown--">shutdown</a></span>()</code>
<div class="block">persist outstanding WALs to storage and stop accepting new appends.</div>
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<pre>public&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/wal/SyncReplicationWALProvider.html#line.110">init</a>(<a href="../../../../../org/apache/hadoop/hbase/wal/WALFactory.html" title="class in org.apache.hadoop.hbase.wal">WALFactory</a>&nbsp;factory,
org.apache.hadoop.conf.Configuration&nbsp;conf,
<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>&nbsp;providerId,
<a href="../../../../../org/apache/hadoop/hbase/Abortable.html" title="interface in org.apache.hadoop.hbase">Abortable</a>&nbsp;abortable)
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></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/wal/WALProvider.html#init-org.apache.hadoop.hbase.wal.WALFactory-org.apache.hadoop.conf.Configuration-java.lang.String-org.apache.hadoop.hbase.Abortable-">WALProvider</a></code></span></div>
<div class="block">Set up the provider to create wals. will only be called once per instance.</div>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/hadoop/hbase/wal/WALProvider.html#init-org.apache.hadoop.hbase.wal.WALFactory-org.apache.hadoop.conf.Configuration-java.lang.String-org.apache.hadoop.hbase.Abortable-">init</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/wal/WALProvider.html" title="interface in org.apache.hadoop.hbase.wal">WALProvider</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>factory</code> - factory that made us may not be null</dd>
<dd><code>conf</code> - may not be null</dd>
<dd><code>providerId</code> - differentiate between providers from one factory. may be null</dd>
<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>
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<pre>private&nbsp;<a href="../../../../../org/apache/hadoop/hbase/regionserver/wal/DualAsyncFSWAL.html" title="class in org.apache.hadoop.hbase.regionserver.wal">DualAsyncFSWAL</a>&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/wal/SyncReplicationWALProvider.html#line.132">createWAL</a>(<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>&nbsp;peerId,
<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>&nbsp;remoteWALDir)
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></pre>
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<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>
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<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>&nbsp;remoteWALDir)
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></pre>
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<pre>public&nbsp;<a href="../../../../../org/apache/hadoop/hbase/wal/WAL.html" title="interface in org.apache.hadoop.hbase.wal">WAL</a>&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/wal/SyncReplicationWALProvider.html#line.193">getWAL</a>(<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&nbsp;region)
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>region</code> - the region which we want to get a WAL for it. Could be null.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a WAL for writing entries for the given region.</dd>
<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>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>the List of WALs that are used by this server</dd>
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<div class="block">persist outstanding WALs to storage and stop accepting new appends. This method serves as
shorthand for sending a sync to every WAL provided by a given implementation. Those WALs will
also stop accepting new writes.</div>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/hadoop/hbase/wal/WALProvider.html#shutdown--">shutdown</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/wal/WALProvider.html" title="interface in org.apache.hadoop.hbase.wal">WALProvider</a></code></dd>
<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>
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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></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/wal/WALProvider.html#close--">WALProvider</a></code></span></div>
<div class="block">shutdown utstanding WALs and clean up any persisted state. Call this method only when you will
not need to replay any of the edits to the WALs from this provider. After this call completes,
the underlying resources should have been reclaimed.</div>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/hadoop/hbase/wal/WALProvider.html#close--">close</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/wal/WALProvider.html" title="interface in org.apache.hadoop.hbase.wal">WALProvider</a></code></dd>
<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>
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<div class="block">Get number of the log files this provider is managing</div>
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<dd><code><a href="../../../../../org/apache/hadoop/hbase/wal/WALProvider.html#getNumLogFiles--">getNumLogFiles</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/wal/WALProvider.html" title="interface in org.apache.hadoop.hbase.wal">WALProvider</a></code></dd>
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<div class="block">Get size of the log files this provider is managing</div>
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<dd><code><a href="../../../../../org/apache/hadoop/hbase/wal/WALProvider.html#getLogFileSize--">getLogFileSize</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/wal/WALProvider.html" title="interface in org.apache.hadoop.hbase.wal">WALProvider</a></code></dd>
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<div class="block">Add a <a href="../../../../../org/apache/hadoop/hbase/regionserver/wal/WALActionsListener.html" title="interface in org.apache.hadoop.hbase.regionserver.wal"><code>WALActionsListener</code></a>.
<p>
Notice that you must call this method before calling <a href="../../../../../org/apache/hadoop/hbase/wal/WALProvider.html#getWAL-org.apache.hadoop.hbase.client.RegionInfo-"><code>WALProvider.getWAL(RegionInfo)</code></a> as this method
will not effect the <a href="../../../../../org/apache/hadoop/hbase/wal/WAL.html" title="interface in org.apache.hadoop.hbase.wal"><code>WAL</code></a> which has already been created. And as long as we can only it
when initialization, it is not thread safe.</div>
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<a href="../../../../../org/apache/hadoop/hbase/replication/SyncReplicationState.html" title="enum in org.apache.hadoop.hbase.replication">SyncReplicationState</a>&nbsp;from,
<a href="../../../../../org/apache/hadoop/hbase/replication/SyncReplicationState.html" title="enum in org.apache.hadoop.hbase.replication">SyncReplicationState</a>&nbsp;to,
int&nbsp;stage)</pre>
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<dd><code><a href="../../../../../org/apache/hadoop/hbase/replication/regionserver/PeerActionListener.html#peerSyncReplicationStateChange-java.lang.String-org.apache.hadoop.hbase.replication.SyncReplicationState-org.apache.hadoop.hbase.replication.SyncReplicationState-int-">peerSyncReplicationStateChange</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/replication/regionserver/PeerActionListener.html" title="interface in org.apache.hadoop.hbase.replication.regionserver">PeerActionListener</a></code></dd>
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<pre>public static&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Optional.html?is-external=true" title="class or interface in java.util">Optional</a>&lt;<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>&gt;&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/wal/SyncReplicationWALProvider.html#line.333">getSyncReplicationPeerIdFromWALName</a>(<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>&nbsp;name)</pre>
<div class="block"><p>
Returns the peer id if the wal file name is in the special group for a sync replication peer.
</p>
<p>
The prefix format is &lt;factoryId&gt;-&lt;ts&gt;-&lt;peerId&gt;.
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