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<h2 title="Enum Durability.SyncPolicy" class="title">Enum Durability.SyncPolicy</h2>
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<li>java.lang.Enum<<a href="../../../com/sleepycat/je/Durability.SyncPolicy.html" title="enum in com.sleepycat.je">Durability.SyncPolicy</a>></li>
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<dd>java.io.Serializable, java.lang.Comparable<<a href="../../../com/sleepycat/je/Durability.SyncPolicy.html" title="enum in com.sleepycat.je">Durability.SyncPolicy</a>></dd>
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<dt>Enclosing class:</dt>
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<dd><a href="../../../com/sleepycat/je/Durability.html" title="class in com.sleepycat.je">Durability</a></dd>
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</dl>
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<br>
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<pre>public static enum <span class="typeNameLabel">Durability.SyncPolicy</span>
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extends java.lang.Enum<<a href="../../../com/sleepycat/je/Durability.SyncPolicy.html" title="enum in com.sleepycat.je">Durability.SyncPolicy</a>></pre>
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<div class="block">Defines the synchronization policy to be used when committing a
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transaction. High levels of synchronization offer a greater guarantee
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that the transaction is persistent to disk, but trade that off for
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lower performance.</div>
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<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Enum Constant Summary table, listing enum constants, and an explanation">
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<caption><span>Enum Constants</span><span class="tabEnd"> </span></caption>
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<tr>
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<th class="colOne" scope="col">Enum Constant and Description</th>
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<tr class="altColor">
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../com/sleepycat/je/Durability.SyncPolicy.html#NO_SYNC">NO_SYNC</a></span></code>
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<div class="block">Do not write or synchronously flush the log on transaction commit.</div>
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</td>
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</tr>
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<tr class="rowColor">
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../com/sleepycat/je/Durability.SyncPolicy.html#SYNC">SYNC</a></span></code>
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<div class="block">Write and synchronously flush the log on transaction commit.</div>
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</td>
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</tr>
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<tr class="altColor">
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../com/sleepycat/je/Durability.SyncPolicy.html#WRITE_NO_SYNC">WRITE_NO_SYNC</a></span></code>
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<div class="block">Write but do not synchronously flush the log on transaction commit.</div>
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</td>
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</tr>
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<td class="colFirst"><code>static <a href="../../../com/sleepycat/je/Durability.SyncPolicy.html" title="enum in com.sleepycat.je">Durability.SyncPolicy</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/sleepycat/je/Durability.SyncPolicy.html#valueOf-java.lang.String-">valueOf</a></span>(java.lang.String name)</code>
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<div class="block">Returns the enum constant of this type with the specified name.</div>
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</td>
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<tr id="i1" class="rowColor">
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<td class="colFirst"><code>static <a href="../../../com/sleepycat/je/Durability.SyncPolicy.html" title="enum in com.sleepycat.je">Durability.SyncPolicy</a>[]</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/sleepycat/je/Durability.SyncPolicy.html#values--">values</a></span>()</code>
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<div class="block">Returns an array containing the constants of this enum type, in
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the order they are declared.</div>
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</td>
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</tr>
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<h3>Methods inherited from class java.lang.Enum</h3>
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<code>clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf</code></li>
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<code>getClass, notify, notifyAll, wait, wait, wait</code></li>
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<h3>Enum Constant Detail</h3>
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<h4>SYNC</h4>
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<pre>public static final <a href="../../../com/sleepycat/je/Durability.SyncPolicy.html" title="enum in com.sleepycat.je">Durability.SyncPolicy</a> SYNC</pre>
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<div class="block">Write and synchronously flush the log on transaction commit.
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Transactions exhibit all the ACID (atomicity, consistency,
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isolation, and durability) properties.
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<p>
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This is the default.</div>
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</li>
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</ul>
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<a name="NO_SYNC">
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<h4>NO_SYNC</h4>
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<pre>public static final <a href="../../../com/sleepycat/je/Durability.SyncPolicy.html" title="enum in com.sleepycat.je">Durability.SyncPolicy</a> NO_SYNC</pre>
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<div class="block">Do not write or synchronously flush the log on transaction commit.
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Transactions exhibit the ACI (atomicity, consistency, and isolation)
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properties, but not D (durability); that is, database integrity will
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be maintained, but if the application or system fails, it is
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possible some number of the most recently committed transactions may
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be undone during recovery. The number of transactions at risk is
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governed by how many log updates can fit into the log buffer, how
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often the operating system flushes dirty buffers to disk, and how
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often the log is checkpointed.</div>
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</li>
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</ul>
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<a name="WRITE_NO_SYNC">
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<ul class="blockListLast">
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<h4>WRITE_NO_SYNC</h4>
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<pre>public static final <a href="../../../com/sleepycat/je/Durability.SyncPolicy.html" title="enum in com.sleepycat.je">Durability.SyncPolicy</a> WRITE_NO_SYNC</pre>
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<div class="block">Write but do not synchronously flush the log on transaction commit.
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Transactions exhibit the ACI (atomicity, consistency, and isolation)
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properties, but not D (durability); that is, database integrity will
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be maintained, but if the operating system fails, it is possible
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some number of the most recently committed transactions may be
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undone during recovery. The number of transactions at risk is
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governed by how often the operating system flushes dirty buffers to
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disk, and how often the log is checkpointed.</div>
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</li>
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</ul>
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<h4>values</h4>
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<pre>public static <a href="../../../com/sleepycat/je/Durability.SyncPolicy.html" title="enum in com.sleepycat.je">Durability.SyncPolicy</a>[] values()</pre>
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<div class="block">Returns an array containing the constants of this enum type, in
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the order they are declared. This method may be used to iterate
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over the constants as follows:
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<pre>
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for (Durability.SyncPolicy c : Durability.SyncPolicy.values())
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System.out.println(c);
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</pre></div>
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<dl>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>an array containing the constants of this enum type, in the order they are declared</dd>
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<h4>valueOf</h4>
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<pre>public static <a href="../../../com/sleepycat/je/Durability.SyncPolicy.html" title="enum in com.sleepycat.je">Durability.SyncPolicy</a> valueOf(java.lang.String name)</pre>
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<div class="block">Returns the enum constant of this type with the specified name.
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The string must match <i>exactly</i> an identifier used to declare an
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enum constant in this type. (Extraneous whitespace characters are
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not permitted.)</div>
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<dl>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>name</code> - the name of the enum constant to be returned.</dd>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>the enum constant with the specified name</dd>
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<dt><span class="throwsLabel">Throws:</span></dt>
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<dd><code>java.lang.IllegalArgumentException</code> - if this enum type has no constant with the specified name</dd>
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<dd><code>java.lang.NullPointerException</code> - if the argument is null</dd>
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<div class="aboutLanguage"><b>Berkeley DB Java Edition</b><br><font size=\"-1\"> version 7.5.11</font>
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