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<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">org.apache.hadoop.hbase.wal</a></div>
<h1 title="Class AsyncFSWALProvider" class="title">Class AsyncFSWALProvider</h1>
</div>
<div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
<div class="inheritance"><a href="AbstractWALProvider.html" title="class in org.apache.hadoop.hbase.wal">org.apache.hadoop.hbase.wal.AbstractWALProvider</a>
<div class="inheritance"><a href="AbstractFSWALProvider.html" title="class in org.apache.hadoop.hbase.wal">org.apache.hadoop.hbase.wal.AbstractFSWALProvider</a>&lt;<a href="../regionserver/wal/AsyncFSWAL.html" title="class in org.apache.hadoop.hbase.regionserver.wal">AsyncFSWAL</a>&gt;
<div class="inheritance">org.apache.hadoop.hbase.wal.AsyncFSWALProvider</div>
</div>
</div>
</div>
<section class="class-description" id="class-description">
<dl class="notes">
<dt>All Implemented Interfaces:</dt>
<dd><code><a href="../replication/regionserver/PeerActionListener.html" title="interface in org.apache.hadoop.hbase.replication.regionserver">PeerActionListener</a></code>, <code><a href="WALProvider.html" title="interface in org.apache.hadoop.hbase.wal">WALProvider</a></code></dd>
</dl>
<hr>
<div class="type-signature"><span class="annotations">@Private
@Evolving
</span><span class="modifiers">public class </span><span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/wal/AsyncFSWALProvider.html#line-47">AsyncFSWALProvider</a></span>
<span class="extends-implements">extends <a href="AbstractFSWALProvider.html" title="class in org.apache.hadoop.hbase.wal">AbstractFSWALProvider</a>&lt;<a href="../regionserver/wal/AsyncFSWAL.html" title="class in org.apache.hadoop.hbase.regionserver.wal">AsyncFSWAL</a>&gt;</span></div>
<div class="block">A WAL provider that use <a href="../regionserver/wal/AsyncFSWAL.html" title="class in org.apache.hadoop.hbase.regionserver.wal"><code>AsyncFSWAL</code></a>.</div>
</section>
<section class="summary">
<ul class="summary-list">
<!-- ======== NESTED CLASS SUMMARY ======== -->
<li>
<section class="nested-class-summary" id="nested-class-summary">
<h2>Nested Class Summary</h2>
<div class="caption"><span>Nested Classes</span></div>
<div class="summary-table three-column-summary">
<div class="table-header col-first">Modifier and Type</div>
<div class="table-header col-second">Class</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color"><code>static interface&nbsp;</code></div>
<div class="col-second even-row-color"><code><a href="AsyncFSWALProvider.AsyncWriter.html" class="type-name-link" title="interface in org.apache.hadoop.hbase.wal">AsyncFSWALProvider.AsyncWriter</a></code></div>
<div class="col-last even-row-color">&nbsp;</div>
</div>
<div class="inherited-list">
<h2 id="nested-classes-inherited-from-class-org.apache.hadoop.hbase.wal.AbstractFSWALProvider">Nested classes/interfaces inherited from class&nbsp;org.apache.hadoop.hbase.wal.<a href="AbstractFSWALProvider.html" title="class in org.apache.hadoop.hbase.wal">AbstractFSWALProvider</a></h2>
<code><a href="AbstractFSWALProvider.Initializer.html" title="interface in org.apache.hadoop.hbase.wal">AbstractFSWALProvider.Initializer</a>, <a href="AbstractFSWALProvider.WALStartTimeComparator.html" title="class in org.apache.hadoop.hbase.wal">AbstractFSWALProvider.WALStartTimeComparator</a></code></div>
<div class="inherited-list">
<h2 id="nested-classes-inherited-from-class-org.apache.hadoop.hbase.wal.WALProvider">Nested classes/interfaces inherited from interface&nbsp;org.apache.hadoop.hbase.wal.<a href="WALProvider.html" title="interface in org.apache.hadoop.hbase.wal">WALProvider</a></h2>
<code><a href="WALProvider.Writer.html" title="interface in org.apache.hadoop.hbase.wal">WALProvider.Writer</a>, <a href="WALProvider.WriterBase.html" title="interface in org.apache.hadoop.hbase.wal">WALProvider.WriterBase</a></code></div>
</section>
</li>
<!-- =========== FIELD SUMMARY =========== -->
<li>
<section class="field-summary" id="field-summary">
<h2>Field Summary</h2>
<div class="caption"><span>Fields</span></div>
<div class="summary-table three-column-summary">
<div class="table-header col-first">Modifier and Type</div>
<div class="table-header col-second">Field</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color"><code>protected <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a>&lt;? extends org.apache.hbase.thirdparty.io.netty.channel.Channel&gt;</code></div>
<div class="col-second even-row-color"><code><a href="#channelClass" class="member-name-link">channelClass</a></code></div>
<div class="col-last even-row-color">
<div class="block">Protected visibility for used in tests.</div>
</div>
<div class="col-first odd-row-color"><code>protected org.apache.hbase.thirdparty.io.netty.channel.EventLoopGroup</code></div>
<div class="col-second odd-row-color"><code><a href="#eventLoopGroup" class="member-name-link">eventLoopGroup</a></code></div>
<div class="col-last odd-row-color">
<div class="block">Protected visibility for used in tests.</div>
</div>
<div class="col-first even-row-color"><code>private static final org.slf4j.Logger</code></div>
<div class="col-second even-row-color"><code><a href="#LOG" class="member-name-link">LOG</a></code></div>
<div class="col-last even-row-color">&nbsp;</div>
<div class="col-first odd-row-color"><code>static final <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
<div class="col-second odd-row-color"><code><a href="#WRITER_IMPL" class="member-name-link">WRITER_IMPL</a></code></div>
<div class="col-last odd-row-color">&nbsp;</div>
</div>
<div class="inherited-list">
<h3 id="fields-inherited-from-class-org.apache.hadoop.hbase.wal.AbstractFSWALProvider">Fields inherited from class&nbsp;org.apache.hadoop.hbase.wal.<a href="AbstractFSWALProvider.html" title="class in org.apache.hadoop.hbase.wal">AbstractFSWALProvider</a></h3>
<code><a href="AbstractFSWALProvider.html#DEFAULT_PROVIDER_ID">DEFAULT_PROVIDER_ID</a>, <a href="AbstractFSWALProvider.html#DEFAULT_SEPARATE_OLDLOGDIR">DEFAULT_SEPARATE_OLDLOGDIR</a>, <a href="AbstractFSWALProvider.html#META_WAL_PROVIDER_ID">META_WAL_PROVIDER_ID</a>, <a href="AbstractFSWALProvider.html#SEPARATE_OLDLOGDIR">SEPARATE_OLDLOGDIR</a>, <a href="AbstractFSWALProvider.html#SPLITTING_EXT">SPLITTING_EXT</a>, <a href="AbstractFSWALProvider.html#TIMESTAMP_COMPARATOR">TIMESTAMP_COMPARATOR</a>, <a href="AbstractFSWALProvider.html#wal">wal</a>, <a href="AbstractFSWALProvider.html#WAL_FILE_NAME_DELIMITER">WAL_FILE_NAME_DELIMITER</a></code></div>
<div class="inherited-list">
<h3 id="fields-inherited-from-class-org.apache.hadoop.hbase.wal.AbstractWALProvider">Fields inherited from class&nbsp;org.apache.hadoop.hbase.wal.<a href="AbstractWALProvider.html" title="class in org.apache.hadoop.hbase.wal">AbstractWALProvider</a></h3>
<code><a href="AbstractWALProvider.html#abortable">abortable</a>, <a href="AbstractWALProvider.html#conf">conf</a>, <a href="AbstractWALProvider.html#factory">factory</a>, <a href="AbstractWALProvider.html#initialized">initialized</a>, <a href="AbstractWALProvider.html#listeners">listeners</a>, <a href="AbstractWALProvider.html#logPrefix">logPrefix</a>, <a href="AbstractWALProvider.html#providerId">providerId</a></code></div>
<div class="inherited-list">
<h3 id="fields-inherited-from-class-org.apache.hadoop.hbase.replication.regionserver.PeerActionListener">Fields inherited from interface&nbsp;org.apache.hadoop.hbase.replication.regionserver.<a href="../replication/regionserver/PeerActionListener.html" title="interface in org.apache.hadoop.hbase.replication.regionserver">PeerActionListener</a></h3>
<code><a href="../replication/regionserver/PeerActionListener.html#DUMMY">DUMMY</a></code></div>
</section>
</li>
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
<li>
<section class="constructor-summary" id="constructor-summary">
<h2>Constructor Summary</h2>
<div class="caption"><span>Constructors</span></div>
<div class="summary-table two-column-summary">
<div class="table-header col-first">Constructor</div>
<div class="table-header col-last">Description</div>
<div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E()" class="member-name-link">AsyncFSWALProvider</a>()</code></div>
<div class="col-last even-row-color">&nbsp;</div>
</div>
</section>
</li>
<!-- ========== METHOD SUMMARY =========== -->
<li>
<section class="method-summary" id="method-summary">
<h2>Method Summary</h2>
<div id="method-summary-table">
<div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab1" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab1', 3)" class="table-tab">Static Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
<div id="method-summary-table.tabpanel" role="tabpanel">
<div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
<div class="table-header col-first">Modifier and Type</div>
<div class="table-header col-second">Method</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="AsyncFSWALProvider.AsyncWriter.html" title="interface in org.apache.hadoop.hbase.wal">AsyncFSWALProvider.AsyncWriter</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#createAsyncWriter(org.apache.hadoop.conf.Configuration,org.apache.hadoop.fs.FileSystem,org.apache.hadoop.fs.Path,boolean,long,org.apache.hbase.thirdparty.io.netty.channel.EventLoopGroup,java.lang.Class,org.apache.hadoop.hbase.io.asyncfs.monitor.StreamSlowMonitor)" class="member-name-link">createAsyncWriter</a><wbr>(org.apache.hadoop.conf.Configuration&nbsp;conf,
org.apache.hadoop.fs.FileSystem&nbsp;fs,
org.apache.hadoop.fs.Path&nbsp;path,
boolean&nbsp;overwritable,
long&nbsp;blocksize,
org.apache.hbase.thirdparty.io.netty.channel.EventLoopGroup&nbsp;eventLoopGroup,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a>&lt;? extends org.apache.hbase.thirdparty.io.netty.channel.Channel&gt;&nbsp;channelClass,
<a href="../io/asyncfs/monitor/StreamSlowMonitor.html" title="class in org.apache.hadoop.hbase.io.asyncfs.monitor">StreamSlowMonitor</a>&nbsp;monitor)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Public because of AsyncFSWAL.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="AsyncFSWALProvider.AsyncWriter.html" title="interface in org.apache.hadoop.hbase.wal">AsyncFSWALProvider.AsyncWriter</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#createAsyncWriter(org.apache.hadoop.conf.Configuration,org.apache.hadoop.fs.FileSystem,org.apache.hadoop.fs.Path,boolean,org.apache.hbase.thirdparty.io.netty.channel.EventLoopGroup,java.lang.Class)" class="member-name-link">createAsyncWriter</a><wbr>(org.apache.hadoop.conf.Configuration&nbsp;conf,
org.apache.hadoop.fs.FileSystem&nbsp;fs,
org.apache.hadoop.fs.Path&nbsp;path,
boolean&nbsp;overwritable,
org.apache.hbase.thirdparty.io.netty.channel.EventLoopGroup&nbsp;eventLoopGroup,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a>&lt;? extends org.apache.hbase.thirdparty.io.netty.channel.Channel&gt;&nbsp;channelClass)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Public because of AsyncFSWAL.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>protected <a href="WAL.html" title="interface in org.apache.hadoop.hbase.wal">WAL</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#createRemoteWAL(org.apache.hadoop.hbase.client.RegionInfo,org.apache.hadoop.fs.FileSystem,org.apache.hadoop.fs.Path,java.lang.String,java.lang.String)" class="member-name-link">createRemoteWAL</a><wbr>(<a href="../client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&nbsp;region,
org.apache.hadoop.fs.FileSystem&nbsp;remoteFs,
org.apache.hadoop.fs.Path&nbsp;remoteWALDir,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;prefix,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;suffix)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>protected <a href="../regionserver/wal/AsyncFSWAL.html" title="class in org.apache.hadoop.hbase.regionserver.wal">AsyncFSWAL</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#createWAL()" class="member-name-link">createWAL</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>protected void</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#doInit(org.apache.hadoop.conf.Configuration)" class="member-name-link">doInit</a><wbr>(org.apache.hadoop.conf.Configuration&nbsp;conf)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static boolean</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#load()" class="member-name-link">load</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Test whether we can load the helper classes for async dfs output.</div>
</div>
</div>
</div>
</div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-org.apache.hadoop.hbase.wal.AbstractFSWALProvider">Methods inherited from class&nbsp;org.apache.hadoop.hbase.wal.<a href="AbstractFSWALProvider.html" title="class in org.apache.hadoop.hbase.wal">AbstractFSWALProvider</a></h3>
<code><a href="AbstractFSWALProvider.html#addWALActionsListener(org.apache.hadoop.hbase.regionserver.wal.WALActionsListener)">addWALActionsListener</a>, <a href="AbstractFSWALProvider.html#close0()">close0</a>, <a href="AbstractFSWALProvider.html#doInit(org.apache.hadoop.hbase.wal.WALFactory,org.apache.hadoop.conf.Configuration,java.lang.String)">doInit</a>, <a href="AbstractFSWALProvider.html#extractFileNumFromWAL(org.apache.hadoop.hbase.wal.WAL)">extractFileNumFromWAL</a>, <a href="AbstractFSWALProvider.html#findArchivedLog(org.apache.hadoop.fs.Path,org.apache.hadoop.conf.Configuration)">findArchivedLog</a>, <a href="AbstractFSWALProvider.html#getArchivedWALFiles(org.apache.hadoop.conf.Configuration,org.apache.hadoop.hbase.ServerName,java.lang.String)">getArchivedWALFiles</a>, <a href="AbstractFSWALProvider.html#getCurrentFileName(org.apache.hadoop.hbase.wal.WAL)">getCurrentFileName</a>, <a href="AbstractFSWALProvider.html#getLogFileSize(org.apache.hadoop.hbase.wal.WAL)">getLogFileSize</a>, <a href="AbstractFSWALProvider.html#getLogFileSize0()">getLogFileSize0</a>, <a href="AbstractFSWALProvider.html#getNumLogFiles0()">getNumLogFiles0</a>, <a href="AbstractFSWALProvider.html#getNumRolledLogFiles(org.apache.hadoop.hbase.wal.WAL)">getNumRolledLogFiles</a>, <a href="AbstractFSWALProvider.html#getServerNameFromWALDirectoryName(org.apache.hadoop.conf.Configuration,java.lang.String)">getServerNameFromWALDirectoryName</a>, <a href="AbstractFSWALProvider.html#getServerNameFromWALDirectoryName(org.apache.hadoop.fs.Path)">getServerNameFromWALDirectoryName</a>, <a href="AbstractFSWALProvider.html#getTimestamp(java.lang.String)">getTimestamp</a>, <a href="AbstractFSWALProvider.html#getWAL0(org.apache.hadoop.hbase.client.RegionInfo)">getWAL0</a>, <a href="AbstractFSWALProvider.html#getWALArchiveDirectoryName(org.apache.hadoop.conf.Configuration,java.lang.String)">getWALArchiveDirectoryName</a>, <a href="AbstractFSWALProvider.html#getWALDirectoryName(java.lang.String)">getWALDirectoryName</a>, <a href="AbstractFSWALProvider.html#getWALFiles(org.apache.hadoop.conf.Configuration,org.apache.hadoop.hbase.ServerName)">getWALFiles</a>, <a href="AbstractFSWALProvider.html#getWALPrefixFromWALName(java.lang.String)">getWALPrefixFromWALName</a>, <a href="AbstractFSWALProvider.html#getWALs0()">getWALs0</a>, <a href="AbstractFSWALProvider.html#isArchivedLogFile(org.apache.hadoop.fs.Path)">isArchivedLogFile</a>, <a href="AbstractFSWALProvider.html#isMetaFile(java.lang.String)">isMetaFile</a>, <a href="AbstractFSWALProvider.html#isMetaFile(org.apache.hadoop.fs.Path)">isMetaFile</a>, <a href="AbstractFSWALProvider.html#parseServerNameFromWALName(java.lang.String)">parseServerNameFromWALName</a>, <a href="AbstractFSWALProvider.html#recoverLease(org.apache.hadoop.conf.Configuration,org.apache.hadoop.fs.Path)">recoverLease</a>, <a href="AbstractFSWALProvider.html#requestLogRoll(org.apache.hadoop.hbase.wal.WAL)">requestLogRoll</a>, <a href="AbstractFSWALProvider.html#shutdown0()">shutdown0</a>, <a href="AbstractFSWALProvider.html#validateWALFilename(java.lang.String)">validateWALFilename</a></code></div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-org.apache.hadoop.hbase.wal.AbstractWALProvider">Methods inherited from class&nbsp;org.apache.hadoop.hbase.wal.<a href="AbstractWALProvider.html" title="class in org.apache.hadoop.hbase.wal">AbstractWALProvider</a></h3>
<code><a href="AbstractWALProvider.html#close()">close</a>, <a href="AbstractWALProvider.html#getLogFileSize()">getLogFileSize</a>, <a href="AbstractWALProvider.html#getNumLogFiles()">getNumLogFiles</a>, <a href="AbstractWALProvider.html#getPeerActionListener()">getPeerActionListener</a>, <a href="AbstractWALProvider.html#getSyncReplicationPeerIdFromWALName(java.lang.String)">getSyncReplicationPeerIdFromWALName</a>, <a href="AbstractWALProvider.html#getWAL(org.apache.hadoop.hbase.client.RegionInfo)">getWAL</a>, <a href="AbstractWALProvider.html#getWALs()">getWALs</a>, <a href="AbstractWALProvider.html#init(org.apache.hadoop.hbase.wal.WALFactory,org.apache.hadoop.conf.Configuration,java.lang.String,org.apache.hadoop.hbase.Abortable)">init</a>, <a href="AbstractWALProvider.html#initWAL(org.apache.hadoop.hbase.wal.WAL)">initWAL</a>, <a href="AbstractWALProvider.html#peerSyncReplicationStateChange(java.lang.String,org.apache.hadoop.hbase.replication.SyncReplicationState,org.apache.hadoop.hbase.replication.SyncReplicationState,int)">peerSyncReplicationStateChange</a>, <a href="AbstractWALProvider.html#setSyncReplicationPeerInfoProvider(org.apache.hadoop.hbase.replication.regionserver.SyncReplicationPeerInfoProvider)">setSyncReplicationPeerInfoProvider</a>, <a href="AbstractWALProvider.html#shutdown()">shutdown</a></code></div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
<code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-org.apache.hadoop.hbase.wal.WALProvider">Methods inherited from interface&nbsp;org.apache.hadoop.hbase.wal.<a href="WALProvider.html" title="interface in org.apache.hadoop.hbase.wal">WALProvider</a></h3>
<code><a href="WALProvider.html#getWALFileLengthProvider()">getWALFileLengthProvider</a></code></div>
</section>
</li>
</ul>
</section>
<section class="details">
<ul class="details-list">
<!-- ============ FIELD DETAIL =========== -->
<li>
<section class="field-details" id="field-detail">
<h2>Field Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="LOG">
<h3>LOG</h3>
<div class="member-signature"><span class="modifiers">private static final</span>&nbsp;<span class="return-type">org.slf4j.Logger</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/wal/AsyncFSWALProvider.html#line-51">LOG</a></span></div>
</section>
</li>
<li>
<section class="detail" id="WRITER_IMPL">
<h3>WRITER_IMPL</h3>
<div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/wal/AsyncFSWALProvider.html#line-53">WRITER_IMPL</a></span></div>
<dl class="notes">
<dt>See Also:</dt>
<dd>
<ul class="see-list">
<li><a href="../../../../../constant-values.html#org.apache.hadoop.hbase.wal.AsyncFSWALProvider.WRITER_IMPL">Constant Field Values</a></li>
</ul>
</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="eventLoopGroup">
<h3>eventLoopGroup</h3>
<div class="member-signature"><span class="modifiers">protected</span>&nbsp;<span class="return-type">org.apache.hbase.thirdparty.io.netty.channel.EventLoopGroup</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/wal/AsyncFSWALProvider.html#line-69">eventLoopGroup</a></span></div>
<div class="block">Protected visibility for used in tests.</div>
</section>
</li>
<li>
<section class="detail" id="channelClass">
<h3>channelClass</h3>
<div class="member-signature"><span class="modifiers">protected</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a>&lt;? extends org.apache.hbase.thirdparty.io.netty.channel.Channel&gt;</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/wal/AsyncFSWALProvider.html#line-74">channelClass</a></span></div>
<div class="block">Protected visibility for used in tests.</div>
</section>
</li>
</ul>
</section>
</li>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<li>
<section class="constructor-details" id="constructor-detail">
<h2>Constructor Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="&lt;init&gt;()">
<h3>AsyncFSWALProvider</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/wal/AsyncFSWALProvider.html#line-49">AsyncFSWALProvider</a></span>()</div>
</section>
</li>
</ul>
</section>
</li>
<!-- ============ METHOD DETAIL ========== -->
<li>
<section class="method-details" id="method-detail">
<h2>Method Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="createWAL()">
<h3>createWAL</h3>
<div class="member-signature"><span class="modifiers">protected</span>&nbsp;<span class="return-type"><a href="../regionserver/wal/AsyncFSWAL.html" title="class in org.apache.hadoop.hbase.regionserver.wal">AsyncFSWAL</a></span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/wal/AsyncFSWALProvider.html#line-76">createWAL</a></span>()
throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="AbstractFSWALProvider.html#createWAL()">createWAL</a></code>&nbsp;in class&nbsp;<code><a href="AbstractFSWALProvider.html" title="class in org.apache.hadoop.hbase.wal">AbstractFSWALProvider</a>&lt;<a href="../regionserver/wal/AsyncFSWAL.html" title="class in org.apache.hadoop.hbase.regionserver.wal">AsyncFSWAL</a>&gt;</code></dd>
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="createRemoteWAL(org.apache.hadoop.hbase.client.RegionInfo,org.apache.hadoop.fs.FileSystem,org.apache.hadoop.fs.Path,java.lang.String,java.lang.String)">
<h3>createRemoteWAL</h3>
<div class="member-signature"><span class="modifiers">protected</span>&nbsp;<span class="return-type"><a href="WAL.html" title="interface in org.apache.hadoop.hbase.wal">WAL</a></span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/wal/AsyncFSWALProvider.html#line-86">createRemoteWAL</a></span><wbr><span class="parameters">(<a href="../client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&nbsp;region,
org.apache.hadoop.fs.FileSystem&nbsp;remoteFs,
org.apache.hadoop.fs.Path&nbsp;remoteWALDir,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;prefix,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;suffix)</span>
throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div>
<dl class="notes">
<dt>Overrides:</dt>
<dd><code><a href="AbstractFSWALProvider.html#createRemoteWAL(org.apache.hadoop.hbase.client.RegionInfo,org.apache.hadoop.fs.FileSystem,org.apache.hadoop.fs.Path,java.lang.String,java.lang.String)">createRemoteWAL</a></code>&nbsp;in class&nbsp;<code><a href="AbstractFSWALProvider.html" title="class in org.apache.hadoop.hbase.wal">AbstractFSWALProvider</a>&lt;<a href="../regionserver/wal/AsyncFSWAL.html" title="class in org.apache.hadoop.hbase.regionserver.wal">AsyncFSWAL</a>&gt;</code></dd>
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="doInit(org.apache.hadoop.conf.Configuration)">
<h3>doInit</h3>
<div class="member-signature"><span class="modifiers">protected</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/wal/AsyncFSWALProvider.html#line-96">doInit</a></span><wbr><span class="parameters">(org.apache.hadoop.conf.Configuration&nbsp;conf)</span>
throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="AbstractFSWALProvider.html#doInit(org.apache.hadoop.conf.Configuration)">doInit</a></code>&nbsp;in class&nbsp;<code><a href="AbstractFSWALProvider.html" title="class in org.apache.hadoop.hbase.wal">AbstractFSWALProvider</a>&lt;<a href="../regionserver/wal/AsyncFSWAL.html" title="class in org.apache.hadoop.hbase.regionserver.wal">AsyncFSWAL</a>&gt;</code></dd>
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="createAsyncWriter(org.apache.hadoop.conf.Configuration,org.apache.hadoop.fs.FileSystem,org.apache.hadoop.fs.Path,boolean,org.apache.hbase.thirdparty.io.netty.channel.EventLoopGroup,java.lang.Class)">
<h3>createAsyncWriter</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="AsyncFSWALProvider.AsyncWriter.html" title="interface in org.apache.hadoop.hbase.wal">AsyncFSWALProvider.AsyncWriter</a></span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/wal/AsyncFSWALProvider.html#line-107">createAsyncWriter</a></span><wbr><span class="parameters">(org.apache.hadoop.conf.Configuration&nbsp;conf,
org.apache.hadoop.fs.FileSystem&nbsp;fs,
org.apache.hadoop.fs.Path&nbsp;path,
boolean&nbsp;overwritable,
org.apache.hbase.thirdparty.io.netty.channel.EventLoopGroup&nbsp;eventLoopGroup,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a>&lt;? extends org.apache.hbase.thirdparty.io.netty.channel.Channel&gt;&nbsp;channelClass)</span>
throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div>
<div class="block">Public because of AsyncFSWAL. Should be package-private</div>
<dl class="notes">
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="createAsyncWriter(org.apache.hadoop.conf.Configuration,org.apache.hadoop.fs.FileSystem,org.apache.hadoop.fs.Path,boolean,long,org.apache.hbase.thirdparty.io.netty.channel.EventLoopGroup,java.lang.Class,org.apache.hadoop.hbase.io.asyncfs.monitor.StreamSlowMonitor)">
<h3>createAsyncWriter</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="AsyncFSWALProvider.AsyncWriter.html" title="interface in org.apache.hadoop.hbase.wal">AsyncFSWALProvider.AsyncWriter</a></span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/wal/AsyncFSWALProvider.html#line-117">createAsyncWriter</a></span><wbr><span class="parameters">(org.apache.hadoop.conf.Configuration&nbsp;conf,
org.apache.hadoop.fs.FileSystem&nbsp;fs,
org.apache.hadoop.fs.Path&nbsp;path,
boolean&nbsp;overwritable,
long&nbsp;blocksize,
org.apache.hbase.thirdparty.io.netty.channel.EventLoopGroup&nbsp;eventLoopGroup,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a>&lt;? extends org.apache.hbase.thirdparty.io.netty.channel.Channel&gt;&nbsp;channelClass,
<a href="../io/asyncfs/monitor/StreamSlowMonitor.html" title="class in org.apache.hadoop.hbase.io.asyncfs.monitor">StreamSlowMonitor</a>&nbsp;monitor)</span>
throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div>
<div class="block">Public because of AsyncFSWAL. Should be package-private</div>
<dl class="notes">
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="load()">
<h3>load</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/wal/AsyncFSWALProvider.html#line-146">load</a></span>()</div>
<div class="block">Test whether we can load the helper classes for async dfs output.</div>
</section>
</li>
</ul>
</section>
</li>
</ul>
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