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<div class="subTitle">org.apache.hadoop.hbase</div>
<h2 title="Class HBaseConfiguration" class="title">Class HBaseConfiguration</h2>
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<li>org.apache.hadoop.conf.Configuration</li>
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<li>org.apache.hadoop.hbase.HBaseConfiguration</li>
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<dd><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.Entry.html?is-external=true" title="class or interface in java.util">Map.Entry</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/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&gt;, org.apache.hadoop.io.Writable</dd>
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<pre>@InterfaceAudience.Public
public class <a href="../../../../src-html/org/apache/hadoop/hbase/HBaseConfiguration.html#line.36">HBaseConfiguration</a>
extends org.apache.hadoop.conf.Configuration</pre>
<div class="block">Adds HBase configuration files to a Configuration</div>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/HBaseConfiguration.html#HBaseConfiguration--">HBaseConfiguration</a></span>()</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="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>static org.apache.hadoop.conf.Configuration</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/HBaseConfiguration.html#addHbaseResources-org.apache.hadoop.conf.Configuration-">addHbaseResources</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf)</code>&nbsp;</td>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code>static org.apache.hadoop.conf.Configuration</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/HBaseConfiguration.html#create--">create</a></span>()</code>
<div class="block">Creates a Configuration with HBase resources</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>static org.apache.hadoop.conf.Configuration</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/HBaseConfiguration.html#create-org.apache.hadoop.conf.Configuration-">create</a></span>(org.apache.hadoop.conf.Configuration&nbsp;that)</code>&nbsp;</td>
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<tr id="i3" class="rowColor">
<td class="colFirst"><code>static org.apache.hadoop.conf.Configuration</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/HBaseConfiguration.html#createClusterConf-org.apache.hadoop.conf.Configuration-java.lang.String-">createClusterConf</a></span>(org.apache.hadoop.conf.Configuration&nbsp;baseConf,
<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;clusterKey)</code>
<div class="block">Generates a <code>Configuration</code> instance by applying the ZooKeeper cluster key
to the base Configuration.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>static org.apache.hadoop.conf.Configuration</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/HBaseConfiguration.html#createClusterConf-org.apache.hadoop.conf.Configuration-java.lang.String-java.lang.String-">createClusterConf</a></span>(org.apache.hadoop.conf.Configuration&nbsp;baseConf,
<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;clusterKey,
<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;overridePrefix)</code>
<div class="block">Generates a <code>Configuration</code> instance by applying property overrides prefixed by
a cluster profile key to the base Configuration.</div>
</td>
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<tr id="i5" class="rowColor">
<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/HBaseConfiguration.html#getPassword-org.apache.hadoop.conf.Configuration-java.lang.String-java.lang.String-">getPassword</a></span>(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;alias,
<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;defPass)</code>
<div class="block">Get the password from the Configuration instance using the
getPassword method if it exists.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/HBaseConfiguration.html#isShowConfInServlet--">isShowConfInServlet</a></span>()</code>&nbsp;</td>
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<tr id="i7" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/HBaseConfiguration.html#main-java.lang.String:A-">main</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;args)</code>
<div class="block">For debugging.</div>
</td>
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<tr id="i8" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/HBaseConfiguration.html#merge-org.apache.hadoop.conf.Configuration-org.apache.hadoop.conf.Configuration-">merge</a></span>(org.apache.hadoop.conf.Configuration&nbsp;destConf,
org.apache.hadoop.conf.Configuration&nbsp;srcConf)</code>
<div class="block">Merge two configurations.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/HBaseConfiguration.html#setWithPrefix-org.apache.hadoop.conf.Configuration-java.lang.String-java.lang.Iterable-">setWithPrefix</a></span>(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;prefix,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.Entry.html?is-external=true" title="class or interface in java.util">Map.Entry</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/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&gt;&nbsp;properties)</code>
<div class="block">Sets all the entries in the provided <code>Map&lt;String, String&gt;</code> as properties in the
given <code>Configuration</code>.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>static org.apache.hadoop.conf.Configuration</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/HBaseConfiguration.html#subset-org.apache.hadoop.conf.Configuration-java.lang.String-">subset</a></span>(org.apache.hadoop.conf.Configuration&nbsp;srcConf,
<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;prefix)</code>
<div class="block">Returns a subset of the configuration properties, matching the given key prefix.</div>
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<h3>Methods inherited from class&nbsp;org.apache.hadoop.conf.Configuration</h3>
<code>addDefaultResource, addDeprecation, addDeprecation, addDeprecation, addDeprecation, addDeprecations, addResource, addResource, addResource, addResource, addResource, addResource, addResource, addResource, addResource, addResource, addResource, clear, dumpConfiguration, dumpConfiguration, dumpDeprecatedKeys, get, get, getAllPropertiesByTag, getAllPropertiesByTags, getBoolean, getClass, getClass, getClassByName, getClassByNameOrNull, getClasses, getClassLoader, getConfResourceAsInputStream, getConfResourceAsReader, getDouble, getEnum, getFile, getFinalParameters, getFloat, getInstances, getInt, getInts, getLocalPath, getLong, getLongBytes, getPassword, getPasswordFromConfig, getPasswordFromCredentialProviders, getPattern, getPropertySources, getProps, getPropsWithPrefix, getRange, getRaw, getResource, getSocketAddr, getSocketAddr, getStorageSize, getStorageSize, getStringCollection, getStrings, getStrings, getTimeDuration, getTimeDuration, getTimeDurationHelper, getTimeDurations, getTrimmed, getTrimmed, getTrimmedStringCollection, getTrimmedStrings, getTrimmedStrings, getValByRegex, hasWarnedDeprecation, isDeprecated, isPropertyTag, iterator, onlyKeyExists, readFields, reloadConfiguration, reloadExistingConfigurations, set, set, setAllowNullValueProperties, setBoolean, setBooleanIfUnset, setClass, setClassLoader, setDeprecatedProperties, setDouble, setEnum, setFloat, setIfUnset, setInt, setLong, setPattern, setQuietMode, setRestrictSystemProperties, setRestrictSystemPropertiesDefault, setRestrictSystemProps, setSocketAddr, setStorageSize, setStrings, setTimeDuration, size, toString, unset, updateConnectAddr, updateConnectAddr, write, writeXml, writeXml, writeXml</code></li>
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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#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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<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true#forEach-java.util.function.Consumer-" title="class or interface in java.lang">forEach</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true#spliterator--" title="class or interface in java.lang">spliterator</a></code></li>
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<h4>HBaseConfiguration</h4>
<pre>public&nbsp;<a href="../../../../src-html/org/apache/hadoop/hbase/HBaseConfiguration.html#line.36">HBaseConfiguration</a>()</pre>
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<h4>addHbaseResources</h4>
<pre>public static&nbsp;org.apache.hadoop.conf.Configuration&nbsp;<a href="../../../../src-html/org/apache/hadoop/hbase/HBaseConfiguration.html#line.94">addHbaseResources</a>(org.apache.hadoop.conf.Configuration&nbsp;conf)</pre>
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<h4>create</h4>
<pre>public static&nbsp;org.apache.hadoop.conf.Configuration&nbsp;<a href="../../../../src-html/org/apache/hadoop/hbase/HBaseConfiguration.html#line.106">create</a>()</pre>
<div class="block">Creates a Configuration with HBase resources</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a Configuration with HBase resources</dd>
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<h4>create</h4>
<pre>public static&nbsp;org.apache.hadoop.conf.Configuration&nbsp;<a href="../../../../src-html/org/apache/hadoop/hbase/HBaseConfiguration.html#line.120">create</a>(org.apache.hadoop.conf.Configuration&nbsp;that)</pre>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>that</code> - Configuration to clone.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a Configuration created with the hbase-*.xml files plus
the given configuration.</dd>
</dl>
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<h4>merge</h4>
<pre>public static&nbsp;void&nbsp;<a href="../../../../src-html/org/apache/hadoop/hbase/HBaseConfiguration.html#line.132">merge</a>(org.apache.hadoop.conf.Configuration&nbsp;destConf,
org.apache.hadoop.conf.Configuration&nbsp;srcConf)</pre>
<div class="block">Merge two configurations.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>destConf</code> - the configuration that will be overwritten with items
from the srcConf</dd>
<dd><code>srcConf</code> - the source configuration</dd>
</dl>
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<pre>public static&nbsp;org.apache.hadoop.conf.Configuration&nbsp;<a href="../../../../src-html/org/apache/hadoop/hbase/HBaseConfiguration.html#line.145">subset</a>(org.apache.hadoop.conf.Configuration&nbsp;srcConf,
<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;prefix)</pre>
<div class="block">Returns a subset of the configuration properties, matching the given key prefix.
The prefix is stripped from the return keys, ie. when calling with a prefix of "myprefix",
the entry "myprefix.key1 = value1" would be returned as "key1 = value1". If an entry's
key matches the prefix exactly ("myprefix = value2"), it will <strong>not</strong> be
included in the results, since it would show up as an entry with an empty key.</div>
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<h4>setWithPrefix</h4>
<pre>public static&nbsp;void&nbsp;<a href="../../../../src-html/org/apache/hadoop/hbase/HBaseConfiguration.html#line.164">setWithPrefix</a>(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;prefix,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.Entry.html?is-external=true" title="class or interface in java.util">Map.Entry</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/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&gt;&nbsp;properties)</pre>
<div class="block">Sets all the entries in the provided <code>Map&lt;String, String&gt;</code> as properties in the
given <code>Configuration</code>. Each property will have the specified prefix prepended,
so that the configuration entries are keyed by <code>prefix + entry.getKey()</code>.</div>
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<h4>isShowConfInServlet</h4>
<pre>public static&nbsp;boolean&nbsp;<a href="../../../../src-html/org/apache/hadoop/hbase/HBaseConfiguration.html#line.174">isShowConfInServlet</a>()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>whether to show HBase Configuration in servlet</dd>
</dl>
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<h4>getPassword</h4>
<pre>public static&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>&nbsp;<a href="../../../../src-html/org/apache/hadoop/hbase/HBaseConfiguration.html#line.201">getPassword</a>(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;alias,
<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;defPass)
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">Get the password from the Configuration instance using the
getPassword method if it exists. If not, then fall back to the
general get method for configuration elements.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>conf</code> - configuration instance for accessing the passwords</dd>
<dd><code>alias</code> - the name of the password element</dd>
<dd><code>defPass</code> - the default password</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>String password or default password</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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<h4>createClusterConf</h4>
<pre>public static&nbsp;org.apache.hadoop.conf.Configuration&nbsp;<a href="../../../../src-html/org/apache/hadoop/hbase/HBaseConfiguration.html#line.228">createClusterConf</a>(org.apache.hadoop.conf.Configuration&nbsp;baseConf,
<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;clusterKey)
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">Generates a <code>Configuration</code> instance by applying the ZooKeeper cluster key
to the base Configuration. Note that additional configuration properties may be needed
for a remote cluster, so it is preferable to use
<a href="../../../../org/apache/hadoop/hbase/HBaseConfiguration.html#createClusterConf-org.apache.hadoop.conf.Configuration-java.lang.String-java.lang.String-"><code>createClusterConf(Configuration, String, String)</code></a>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>baseConf</code> - the base configuration to use, containing prefixed override properties</dd>
<dd><code>clusterKey</code> - the ZooKeeper quorum cluster key to apply, or <code>null</code> if none</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the merged configuration with override properties and cluster key applied</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>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../org/apache/hadoop/hbase/HBaseConfiguration.html#createClusterConf-org.apache.hadoop.conf.Configuration-java.lang.String-java.lang.String-"><code>createClusterConf(Configuration, String, String)</code></a></dd>
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<h4>createClusterConf</h4>
<pre>public static&nbsp;org.apache.hadoop.conf.Configuration&nbsp;<a href="../../../../src-html/org/apache/hadoop/hbase/HBaseConfiguration.html#line.245">createClusterConf</a>(org.apache.hadoop.conf.Configuration&nbsp;baseConf,
<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;clusterKey,
<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;overridePrefix)
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">Generates a <code>Configuration</code> instance by applying property overrides prefixed by
a cluster profile key to the base Configuration. Override properties are extracted by
the <a href="../../../../org/apache/hadoop/hbase/HBaseConfiguration.html#subset-org.apache.hadoop.conf.Configuration-java.lang.String-"><code>subset(Configuration, String)</code></a> method, then the merged on top of the base
Configuration and returned.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>baseConf</code> - the base configuration to use, containing prefixed override properties</dd>
<dd><code>clusterKey</code> - the ZooKeeper quorum cluster key to apply, or <code>null</code> if none</dd>
<dd><code>overridePrefix</code> - the property key prefix to match for override properties,
or <code>null</code> if none</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the merged configuration with override properties and cluster key applied</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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<h4>main</h4>
<pre>public static&nbsp;void&nbsp;<a href="../../../../src-html/org/apache/hadoop/hbase/HBaseConfiguration.html#line.286">main</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;args)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<div class="block">For debugging. Dump configurations to system output as xml format.
Master and RS configurations can also be dumped using
http services. e.g. "curl http://master:16010/dump"</div>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd>
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