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| <h2 title="Enum Durability" class="title">Enum Durability</h2> |
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| <pre>@InterfaceAudience.Public |
| public enum <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Durability.html#line.28">Durability</a> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html?is-external=true" title="class or interface in java.lang">Enum</a><<a href="../../../../../org/apache/hadoop/hbase/client/Durability.html" title="enum in org.apache.hadoop.hbase.client">Durability</a>></pre> |
| <div class="block">Enum describing the durability guarantees for tables and <a href="../../../../../org/apache/hadoop/hbase/client/Mutation.html" title="class in org.apache.hadoop.hbase.client"><code>Mutation</code></a>s |
| Note that the items must be sorted in order of increasing durability</div> |
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| <th class="colOne" scope="col">Enum Constant and Description</th> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/Durability.html#ASYNC_WAL">ASYNC_WAL</a></span></code> |
| <div class="block">Write the Mutation to the WAL asynchronously</div> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/Durability.html#FSYNC_WAL">FSYNC_WAL</a></span></code> |
| <div class="block">Write the Mutation to the WAL synchronously and force the entries to disk.</div> |
| </td> |
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| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/Durability.html#SKIP_WAL">SKIP_WAL</a></span></code> |
| <div class="block">Do not write the Mutation to the WAL</div> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/Durability.html#SYNC_WAL">SYNC_WAL</a></span></code> |
| <div class="block">Write the Mutation to the WAL synchronously.</div> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/Durability.html#USE_DEFAULT">USE_DEFAULT</a></span></code> |
| <div class="block">If this is for tables durability, use HBase's global default value (SYNC_WAL).</div> |
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| <td class="colFirst"><code>static <a href="../../../../../org/apache/hadoop/hbase/client/Durability.html" title="enum in org.apache.hadoop.hbase.client">Durability</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/Durability.html#valueOf-java.lang.String-">valueOf</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> name)</code> |
| <div class="block">Returns the enum constant of this type with the specified name.</div> |
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| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/hadoop/hbase/client/Durability.html" title="enum in org.apache.hadoop.hbase.client">Durability</a>[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/Durability.html#values--">values</a></span>()</code> |
| <div class="block">Returns an array containing the constants of this enum type, in |
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| <pre>public static final <a href="../../../../../org/apache/hadoop/hbase/client/Durability.html" title="enum in org.apache.hadoop.hbase.client">Durability</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Durability.html#line.35">USE_DEFAULT</a></pre> |
| <div class="block">If this is for tables durability, use HBase's global default value (SYNC_WAL). |
| Otherwise, if this is for mutation, use the table's default setting to determine durability. |
| This must remain the first option.</div> |
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| <pre>public static final <a href="../../../../../org/apache/hadoop/hbase/client/Durability.html" title="enum in org.apache.hadoop.hbase.client">Durability</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Durability.html#line.39">SKIP_WAL</a></pre> |
| <div class="block">Do not write the Mutation to the WAL</div> |
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| <pre>public static final <a href="../../../../../org/apache/hadoop/hbase/client/Durability.html" title="enum in org.apache.hadoop.hbase.client">Durability</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Durability.html#line.43">ASYNC_WAL</a></pre> |
| <div class="block">Write the Mutation to the WAL asynchronously</div> |
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| <pre>public static final <a href="../../../../../org/apache/hadoop/hbase/client/Durability.html" title="enum in org.apache.hadoop.hbase.client">Durability</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Durability.html#line.50">SYNC_WAL</a></pre> |
| <div class="block">Write the Mutation to the WAL synchronously. |
| The data is flushed to the filesystem implementation, but not necessarily to disk. |
| For HDFS this will flush the data to the designated number of DataNodes. |
| See <a href="https://issues.apache.org/jira/browse/HADOOP-6313">HADOOP-6313</a></div> |
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| <pre>public static final <a href="../../../../../org/apache/hadoop/hbase/client/Durability.html" title="enum in org.apache.hadoop.hbase.client">Durability</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Durability.html#line.55">FSYNC_WAL</a></pre> |
| <div class="block">Write the Mutation to the WAL synchronously and force the entries to disk. |
| See <a href="https://issues.apache.org/jira/browse/HADOOP-6313">HADOOP-6313</a></div> |
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| <pre>public static <a href="../../../../../org/apache/hadoop/hbase/client/Durability.html" title="enum in org.apache.hadoop.hbase.client">Durability</a>[] <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Durability.html#line.56">values</a>()</pre> |
| <div class="block">Returns an array containing the constants of this enum type, in |
| the order they are declared. This method may be used to iterate |
| over the constants as follows: |
| <pre> |
| for (Durability c : Durability.values()) |
| System.out.println(c); |
| </pre></div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>an array containing the constants of this enum type, in the order they are declared</dd> |
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| <pre>public static <a href="../../../../../org/apache/hadoop/hbase/client/Durability.html" title="enum in org.apache.hadoop.hbase.client">Durability</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Durability.html#line.56">valueOf</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> name)</pre> |
| <div class="block">Returns the enum constant of this type with the specified name. |
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| enum constant in this type. (Extraneous whitespace characters are |
| not permitted.)</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>name</code> - the name of the enum constant to be returned.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the enum constant with the specified name</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</a></code> - if this enum type has no constant with the specified name</dd> |
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