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<div class="subTitle">org.apache.hadoop.hbase.backup.regionserver</div>
<h2 title="Class LogRollBackupSubprocedurePool" class="title">Class LogRollBackupSubprocedurePool</h2>
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<li>org.apache.hadoop.hbase.backup.regionserver.LogRollBackupSubprocedurePool</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang">AutoCloseable</a>, <a href="../../../../../../org/apache/hadoop/hbase/Abortable.html" title="interface in org.apache.hadoop.hbase">Abortable</a></dd>
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<pre>@InterfaceAudience.Private
public class <a href="../../../../../../src-html/org/apache/hadoop/hbase/backup/regionserver/LogRollBackupSubprocedurePool.html#line.46">LogRollBackupSubprocedurePool</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="https://docs.oracle.com/javase/8/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</a>, <a href="../../../../../../org/apache/hadoop/hbase/Abortable.html" title="interface in org.apache.hadoop.hbase">Abortable</a></pre>
<div class="block">Handle running each of the individual tasks for completing a backup procedure on a region
server.</div>
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<h3>Field Summary</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation">
<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/backup/regionserver/LogRollBackupSubprocedurePool.html#aborted">aborted</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/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/backup/regionserver/LogRollBackupSubprocedurePool.html#CONCURENT_BACKUP_TASKS_KEY">CONCURENT_BACKUP_TASKS_KEY</a></span></code>
<div class="block">Maximum number of concurrent snapshot region tasks that can run concurrently</div>
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<tr class="altColor">
<td class="colFirst"><code>private static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/backup/regionserver/LogRollBackupSubprocedurePool.html#DEFAULT_CONCURRENT_BACKUP_TASKS">DEFAULT_CONCURRENT_BACKUP_TASKS</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/ThreadPoolExecutor.html?is-external=true" title="class or interface in java.util.concurrent">ThreadPoolExecutor</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/backup/regionserver/LogRollBackupSubprocedurePool.html#executor">executor</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/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/Future.html?is-external=true" title="class or interface in java.util.concurrent">Future</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/backup/regionserver/LogRollBackupSubprocedurePool.html#futures">futures</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/backup/regionserver/LogRollBackupSubprocedurePool.html#LOG">LOG</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/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/backup/regionserver/LogRollBackupSubprocedurePool.html#name">name</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/ExecutorCompletionService.html?is-external=true" title="class or interface in java.util.concurrent">ExecutorCompletionService</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/backup/regionserver/LogRollBackupSubprocedurePool.html#taskPool">taskPool</a></span></code>&nbsp;</td>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/backup/regionserver/LogRollBackupSubprocedurePool.html#LogRollBackupSubprocedurePool-java.lang.String-org.apache.hadoop.conf.Configuration-">LogRollBackupSubprocedurePool</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,
org.apache.hadoop.conf.Configuration&nbsp;conf)</code>&nbsp;</td>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/backup/regionserver/LogRollBackupSubprocedurePool.html#abort-java.lang.String-java.lang.Throwable-">abort</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;why,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a>&nbsp;e)</code>
<div class="block">Abort the server or client.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/backup/regionserver/LogRollBackupSubprocedurePool.html#close--">close</a></span>()</code>
<div class="block">Attempt to cleanly shutdown any running tasks - allows currently running tasks to cleanly
finish</div>
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<tr id="i2" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/backup/regionserver/LogRollBackupSubprocedurePool.html#isAborted--">isAborted</a></span>()</code>
<div class="block">Check if the server or client was aborted.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/backup/regionserver/LogRollBackupSubprocedurePool.html#submitTask-java.util.concurrent.Callable-">submitTask</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/Callable.html?is-external=true" title="class or interface in java.util.concurrent">Callable</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&gt;&nbsp;task)</code>
<div class="block">Submit a task to the pool.</div>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/backup/regionserver/LogRollBackupSubprocedurePool.html#waitForOutstandingTasks--">waitForOutstandingTasks</a></span>()</code>
<div class="block">Wait for all of the currently outstanding tasks submitted via <a href="../../../../../../org/apache/hadoop/hbase/backup/regionserver/LogRollBackupSubprocedurePool.html#submitTask-java.util.concurrent.Callable-"><code>submitTask(Callable)</code></a></div>
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<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<h4>LOG</h4>
<pre>private static final&nbsp;org.slf4j.Logger <a href="../../../../../../src-html/org/apache/hadoop/hbase/backup/regionserver/LogRollBackupSubprocedurePool.html#line.47">LOG</a></pre>
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<h4>CONCURENT_BACKUP_TASKS_KEY</h4>
<pre>private static final&nbsp;<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="../../../../../../src-html/org/apache/hadoop/hbase/backup/regionserver/LogRollBackupSubprocedurePool.html#line.50">CONCURENT_BACKUP_TASKS_KEY</a></pre>
<div class="block">Maximum number of concurrent snapshot region tasks that can run concurrently</div>
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<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../../constant-values.html#org.apache.hadoop.hbase.backup.regionserver.LogRollBackupSubprocedurePool.CONCURENT_BACKUP_TASKS_KEY">Constant Field Values</a></dd>
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<pre>private static final&nbsp;int <a href="../../../../../../src-html/org/apache/hadoop/hbase/backup/regionserver/LogRollBackupSubprocedurePool.html#line.51">DEFAULT_CONCURRENT_BACKUP_TASKS</a></pre>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../../constant-values.html#org.apache.hadoop.hbase.backup.regionserver.LogRollBackupSubprocedurePool.DEFAULT_CONCURRENT_BACKUP_TASKS">Constant Field Values</a></dd>
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<h4>taskPool</h4>
<pre>private final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ExecutorCompletionService.html?is-external=true" title="class or interface in java.util.concurrent">ExecutorCompletionService</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&gt; <a href="../../../../../../src-html/org/apache/hadoop/hbase/backup/regionserver/LogRollBackupSubprocedurePool.html#line.53">taskPool</a></pre>
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<h4>executor</h4>
<pre>private final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ThreadPoolExecutor.html?is-external=true" title="class or interface in java.util.concurrent">ThreadPoolExecutor</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/backup/regionserver/LogRollBackupSubprocedurePool.html#line.54">executor</a></pre>
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<pre>private volatile&nbsp;boolean <a href="../../../../../../src-html/org/apache/hadoop/hbase/backup/regionserver/LogRollBackupSubprocedurePool.html#line.55">aborted</a></pre>
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<h4>futures</h4>
<pre>private final&nbsp;<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="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/Future.html?is-external=true" title="class or interface in java.util.concurrent">Future</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&gt;&gt; <a href="../../../../../../src-html/org/apache/hadoop/hbase/backup/regionserver/LogRollBackupSubprocedurePool.html#line.56">futures</a></pre>
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<h4>name</h4>
<pre>private final&nbsp;<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="../../../../../../src-html/org/apache/hadoop/hbase/backup/regionserver/LogRollBackupSubprocedurePool.html#line.57">name</a></pre>
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<h4>LogRollBackupSubprocedurePool</h4>
<pre>public&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/backup/regionserver/LogRollBackupSubprocedurePool.html#line.59">LogRollBackupSubprocedurePool</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,
org.apache.hadoop.conf.Configuration&nbsp;conf)</pre>
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<h4>submitTask</h4>
<pre>public&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/backup/regionserver/LogRollBackupSubprocedurePool.html#line.76">submitTask</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/Callable.html?is-external=true" title="class or interface in java.util.concurrent">Callable</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&gt;&nbsp;task)</pre>
<div class="block">Submit a task to the pool.</div>
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<h4>waitForOutstandingTasks</h4>
<pre>public&nbsp;boolean&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/backup/regionserver/LogRollBackupSubprocedurePool.html#line.86">waitForOutstandingTasks</a>()
throws <a href="../../../../../../org/apache/hadoop/hbase/errorhandling/ForeignException.html" title="class in org.apache.hadoop.hbase.errorhandling">ForeignException</a></pre>
<div class="block">Wait for all of the currently outstanding tasks submitted via <a href="../../../../../../org/apache/hadoop/hbase/backup/regionserver/LogRollBackupSubprocedurePool.html#submitTask-java.util.concurrent.Callable-"><code>submitTask(Callable)</code></a></div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><tt>true</tt> on success, <tt>false</tt> otherwise</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../../../org/apache/hadoop/hbase/errorhandling/ForeignException.html" title="class in org.apache.hadoop.hbase.errorhandling">ForeignException</a></code> - exception</dd>
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<h4>close</h4>
<pre>public&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/backup/regionserver/LogRollBackupSubprocedurePool.html#line.121">close</a>()</pre>
<div class="block">Attempt to cleanly shutdown any running tasks - allows currently running tasks to cleanly
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<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Closeable.html?is-external=true#close--" title="class or interface in java.io">close</a></code>&nbsp;in interface&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</a></code></dd>
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<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true#close--" title="class or interface in java.lang">close</a></code>&nbsp;in interface&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang">AutoCloseable</a></code></dd>
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<pre>public&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/backup/regionserver/LogRollBackupSubprocedurePool.html#line.126">abort</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;why,
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<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../org/apache/hadoop/hbase/Abortable.html#abort-java.lang.String-java.lang.Throwable-">Abortable</a></code></span></div>
<div class="block">Abort the server or client.</div>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/hadoop/hbase/Abortable.html#abort-java.lang.String-java.lang.Throwable-">abort</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/hadoop/hbase/Abortable.html" title="interface in org.apache.hadoop.hbase">Abortable</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>why</code> - Why we're aborting.</dd>
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<pre>public&nbsp;boolean&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/backup/regionserver/LogRollBackupSubprocedurePool.html#line.137">isAborted</a>()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../org/apache/hadoop/hbase/Abortable.html#isAborted--">Abortable</a></code></span></div>
<div class="block">Check if the server or client was aborted.</div>
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<dd><code><a href="../../../../../../org/apache/hadoop/hbase/Abortable.html#isAborted--">isAborted</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/hadoop/hbase/Abortable.html" title="interface in org.apache.hadoop.hbase">Abortable</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if the server or client was aborted, false otherwise</dd>
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