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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> |
| <li> |
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| <li>org.apache.hadoop.hbase.HBaseConfiguration</li> |
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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> |
| </li> |
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| <h3>Nested classes/interfaces inherited from class org.apache.hadoop.conf.Configuration</h3> |
| <code>org.apache.hadoop.conf.Configuration.DeprecationDelta, org.apache.hadoop.conf.Configuration.IntegerRanges</code></li> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>private static org.slf4j.Logger</code></td> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>private static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/HBaseConfiguration.html#addDeprecatedKeys--">addDeprecatedKeys</a></span>()</code> |
| <div class="block">The hbase.ipc.server.reservoir.initial.max and hbase.ipc.server.reservoir.initial.buffer.size |
| were introduced in HBase2.0.0, while in HBase3.0.0 the two config keys will be replaced by |
| hbase.server.allocator.max.buffer.count and hbase.server.allocator.buffer.size.</div> |
| </td> |
| </tr> |
| <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#addHbaseResources-org.apache.hadoop.conf.Configuration-">addHbaseResources</a></span>(org.apache.hadoop.conf.Configuration conf)</code> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>private static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/HBaseConfiguration.html#applyClusterKeyToConf-org.apache.hadoop.conf.Configuration-java.lang.String-">applyClusterKeyToConf</a></span>(org.apache.hadoop.conf.Configuration 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> key)</code> |
| <div class="block">Apply the settings in the given key to the given configuration, this is |
| used to communicate with distant clusters</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>private static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/HBaseConfiguration.html#checkDefaultsVersion-org.apache.hadoop.conf.Configuration-">checkDefaultsVersion</a></span>(org.apache.hadoop.conf.Configuration conf)</code> </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#create--">create</a></span>()</code> |
| <div class="block">Creates a Configuration with HBase resources</div> |
| </td> |
| </tr> |
| <tr id="i5" 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-org.apache.hadoop.conf.Configuration-">create</a></span>(org.apache.hadoop.conf.Configuration that)</code> </td> |
| </tr> |
| <tr id="i6" 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-">createClusterConf</a></span>(org.apache.hadoop.conf.Configuration 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> 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="i7" 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-java.lang.String-">createClusterConf</a></span>(org.apache.hadoop.conf.Configuration 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> 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> 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> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <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 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> 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> defPass)</code> |
| <div class="block">Get the password from the Configuration instance using the |
| getPassword method if it exists.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <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> </td> |
| </tr> |
| <tr id="i10" 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#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>[] args)</code> |
| <div class="block">For debugging.</div> |
| </td> |
| </tr> |
| <tr id="i11" 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#merge-org.apache.hadoop.conf.Configuration-org.apache.hadoop.conf.Configuration-">merge</a></span>(org.apache.hadoop.conf.Configuration destConf, |
| org.apache.hadoop.conf.Configuration srcConf)</code> |
| <div class="block">Merge two configurations.</div> |
| </td> |
| </tr> |
| <tr id="i12" 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#setWithPrefix-org.apache.hadoop.conf.Configuration-java.lang.String-java.lang.Iterable-">setWithPrefix</a></span>(org.apache.hadoop.conf.Configuration 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> 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><<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><<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>>> properties)</code> |
| <div class="block">Sets all the entries in the provided <code>Map<String, String></code> as properties in the |
| given <code>Configuration</code>.</div> |
| </td> |
| </tr> |
| <tr id="i13" 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#subset-org.apache.hadoop.conf.Configuration-java.lang.String-">subset</a></span>(org.apache.hadoop.conf.Configuration 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> prefix)</code> |
| <div class="block">Returns a subset of the configuration properties, matching the given key prefix.</div> |
| </td> |
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| <h3>Methods inherited from class 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> |
| </ul> |
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| <h4>LOG</h4> |
| <pre>private static final org.slf4j.Logger <a href="../../../../src-html/org/apache/hadoop/hbase/HBaseConfiguration.html#line.37">LOG</a></pre> |
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| <h3>Method Detail</h3> |
| <a name="checkDefaultsVersion-org.apache.hadoop.conf.Configuration-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>checkDefaultsVersion</h4> |
| <pre>private static void <a href="../../../../src-html/org/apache/hadoop/hbase/HBaseConfiguration.html#line.43">checkDefaultsVersion</a>(org.apache.hadoop.conf.Configuration conf)</pre> |
| </li> |
| </ul> |
| <a name="addDeprecatedKeys--"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>addDeprecatedKeys</h4> |
| <pre>private static void <a href="../../../../src-html/org/apache/hadoop/hbase/HBaseConfiguration.html#line.71">addDeprecatedKeys</a>()</pre> |
| <div class="block">The hbase.ipc.server.reservoir.initial.max and hbase.ipc.server.reservoir.initial.buffer.size |
| were introduced in HBase2.0.0, while in HBase3.0.0 the two config keys will be replaced by |
| hbase.server.allocator.max.buffer.count and hbase.server.allocator.buffer.size. |
| Also the hbase.ipc.server.reservoir.enabled will be replaced by |
| hbase.server.allocator.pool.enabled. Keep the three old config keys here for HBase2.x |
| compatibility. |
| <br> |
| HBASE-24667: This config hbase.regionserver.hostname.disable.master.reversedns will be |
| replaced by hbase.unsafe.regionserver.hostname.disable.master.reversedns. Keep the old config |
| keys here for backward compatibility. |
| <br> |
| Note: Before Hadoop-3.3, we must call the addDeprecations method before creating the |
| Configuration object to work correctly. After this bug is fixed in hadoop-3.3, there will be |
| no order problem.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="https://issues.apache.org/jira/browse/HADOOP-15708">HADOOP-15708</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="addHbaseResources-org.apache.hadoop.conf.Configuration-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>addHbaseResources</h4> |
| <pre>public static org.apache.hadoop.conf.Configuration <a href="../../../../src-html/org/apache/hadoop/hbase/HBaseConfiguration.html#line.94">addHbaseResources</a>(org.apache.hadoop.conf.Configuration conf)</pre> |
| </li> |
| </ul> |
| <a name="create--"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>create</h4> |
| <pre>public static org.apache.hadoop.conf.Configuration <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> |
| </dl> |
| </li> |
| </ul> |
| <a name="create-org.apache.hadoop.conf.Configuration-"> |
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| <h4>create</h4> |
| <pre>public static org.apache.hadoop.conf.Configuration <a href="../../../../src-html/org/apache/hadoop/hbase/HBaseConfiguration.html#line.120">create</a>(org.apache.hadoop.conf.Configuration 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> |
| </li> |
| </ul> |
| <a name="merge-org.apache.hadoop.conf.Configuration-org.apache.hadoop.conf.Configuration-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>merge</h4> |
| <pre>public static void <a href="../../../../src-html/org/apache/hadoop/hbase/HBaseConfiguration.html#line.132">merge</a>(org.apache.hadoop.conf.Configuration destConf, |
| org.apache.hadoop.conf.Configuration 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> |
| </li> |
| </ul> |
| <a name="subset-org.apache.hadoop.conf.Configuration-java.lang.String-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>subset</h4> |
| <pre>public static org.apache.hadoop.conf.Configuration <a href="../../../../src-html/org/apache/hadoop/hbase/HBaseConfiguration.html#line.145">subset</a>(org.apache.hadoop.conf.Configuration 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> 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> |
| </li> |
| </ul> |
| <a name="setWithPrefix-org.apache.hadoop.conf.Configuration-java.lang.String-java.lang.Iterable-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setWithPrefix</h4> |
| <pre>public static void <a href="../../../../src-html/org/apache/hadoop/hbase/HBaseConfiguration.html#line.164">setWithPrefix</a>(org.apache.hadoop.conf.Configuration 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> 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><<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><<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>>> properties)</pre> |
| <div class="block">Sets all the entries in the provided <code>Map<String, String></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> |
| </li> |
| </ul> |
| <a name="isShowConfInServlet--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isShowConfInServlet</h4> |
| <pre>public static boolean <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> |
| </li> |
| </ul> |
| <a name="getPassword-org.apache.hadoop.conf.Configuration-java.lang.String-java.lang.String-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getPassword</h4> |
| <pre>public 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> <a href="../../../../src-html/org/apache/hadoop/hbase/HBaseConfiguration.html#line.201">getPassword</a>(org.apache.hadoop.conf.Configuration 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> 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> 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> |
| </dl> |
| </li> |
| </ul> |
| <a name="createClusterConf-org.apache.hadoop.conf.Configuration-java.lang.String-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>createClusterConf</h4> |
| <pre>public static org.apache.hadoop.conf.Configuration <a href="../../../../src-html/org/apache/hadoop/hbase/HBaseConfiguration.html#line.228">createClusterConf</a>(org.apache.hadoop.conf.Configuration 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> 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> |
| </dl> |
| </li> |
| </ul> |
| <a name="createClusterConf-org.apache.hadoop.conf.Configuration-java.lang.String-java.lang.String-"> |
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| </a> |
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| <h4>createClusterConf</h4> |
| <pre>public static org.apache.hadoop.conf.Configuration <a href="../../../../src-html/org/apache/hadoop/hbase/HBaseConfiguration.html#line.245">createClusterConf</a>(org.apache.hadoop.conf.Configuration 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> 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> 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> |
| </dl> |
| </li> |
| </ul> |
| <a name="applyClusterKeyToConf-org.apache.hadoop.conf.Configuration-java.lang.String-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>applyClusterKeyToConf</h4> |
| <pre>private static void <a href="../../../../src-html/org/apache/hadoop/hbase/HBaseConfiguration.html#line.265">applyClusterKeyToConf</a>(org.apache.hadoop.conf.Configuration 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> key) |
| 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">Apply the settings in the given key to the given configuration, this is |
| used to communicate with distant clusters</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>conf</code> - configuration object to configure</dd> |
| <dd><code>key</code> - string that contains the 3 required configuratins</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> |
| </dl> |
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| <h4>main</h4> |
| <pre>public static void <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>[] 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> |
| </dl> |
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