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<div class="subTitle">org.apache.hadoop.yarn.server.timeline</div>
<h2 title="Class LevelDBCacheTimelineStore" class="title">Class LevelDBCacheTimelineStore</h2>
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<li>org.apache.hadoop.service.AbstractService</li>
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<li>org.apache.hadoop.yarn.server.timeline.LevelDBCacheTimelineStore</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>, org.apache.hadoop.service.Service, org.apache.hadoop.yarn.server.timeline.TimelineReader, org.apache.hadoop.yarn.server.timeline.TimelineStore, org.apache.hadoop.yarn.server.timeline.TimelineWriter</dd>
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<pre>@InterfaceAudience.Private
@InterfaceStability.Unstable
public class <span class="typeNameLabel">LevelDBCacheTimelineStore</span>
extends org.apache.hadoop.service.AbstractService</pre>
<div class="block">LevelDB implementation of <code>KeyValueBasedTimelineStore</code>. This
implementation stores the entity hash map into a LevelDB instance.
There are two partitions of the key space. One partition is to store a
entity id to start time mapping:
i!ENTITY_ID!ENTITY_TYPE to ENTITY_START_TIME
The other partition is to store the actual data:
e!START_TIME!ENTITY_ID!ENTITY_TYPE to ENTITY_BYTES
This storage does not have any garbage collection mechanism, and is designed
mainly for caching usages.</div>
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<h3>Nested classes/interfaces inherited from interface&nbsp;org.apache.hadoop.yarn.server.timeline.TimelineStore</h3>
<code>org.apache.hadoop.yarn.server.timeline.TimelineStore.SystemFilter</code></li>
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<h3>Nested classes/interfaces inherited from interface&nbsp;org.apache.hadoop.service.Service</h3>
<code>org.apache.hadoop.service.Service.STATE</code></li>
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<h3>Nested classes/interfaces inherited from interface&nbsp;org.apache.hadoop.yarn.server.timeline.TimelineReader</h3>
<code>org.apache.hadoop.yarn.server.timeline.TimelineReader.Field</code></li>
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<h3>Field Summary</h3>
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<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>protected org.apache.hadoop.yarn.server.timeline.TimelineStoreMapAdapter&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>,org.apache.hadoop.yarn.api.records.timeline.TimelineDomain&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/timeline/LevelDBCacheTimelineStore.html#domainById">domainById</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected org.apache.hadoop.yarn.server.timeline.TimelineStoreMapAdapter&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/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.hadoop.yarn.api.records.timeline.TimelineDomain&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/timeline/LevelDBCacheTimelineStore.html#domainsByOwner">domainsByOwner</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected org.apache.hadoop.yarn.server.timeline.TimelineStoreMapAdapter&lt;org.apache.hadoop.yarn.server.timeline.EntityIdentifier,org.apache.hadoop.yarn.api.records.timeline.TimelineEntity&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/timeline/LevelDBCacheTimelineStore.html#entities">entities</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected org.apache.hadoop.yarn.server.timeline.TimelineStoreMapAdapter&lt;org.apache.hadoop.yarn.server.timeline.EntityIdentifier,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/timeline/LevelDBCacheTimelineStore.html#entityInsertTimes">entityInsertTimes</a></span></code>&nbsp;</td>
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<h3>Fields inherited from interface&nbsp;org.apache.hadoop.yarn.server.timeline.TimelineReader</h3>
<code>DEFAULT_LIMIT</code></li>
</ul>
</li>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/timeline/LevelDBCacheTimelineStore.html#LevelDBCacheTimelineStore--">LevelDBCacheTimelineStore</a></span>()</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/timeline/LevelDBCacheTimelineStore.html#LevelDBCacheTimelineStore-java.lang.String-">LevelDBCacheTimelineStore</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;id)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/timeline/LevelDBCacheTimelineStore.html#LevelDBCacheTimelineStore-java.lang.String-java.lang.String-">LevelDBCacheTimelineStore</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;id,
<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)</code>&nbsp;</td>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code>org.apache.hadoop.yarn.api.records.timeline.TimelineDomain</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/timeline/LevelDBCacheTimelineStore.html#getDomain-java.lang.String-">getDomain</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;arg0)</code>&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>org.apache.hadoop.yarn.api.records.timeline.TimelineDomains</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/timeline/LevelDBCacheTimelineStore.html#getDomains-java.lang.String-">getDomains</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;arg0)</code>&nbsp;</td>
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<tr id="i2" class="altColor">
<td class="colFirst"><code>org.apache.hadoop.yarn.api.records.timeline.TimelineEntities</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/timeline/LevelDBCacheTimelineStore.html#getEntities-java.lang.String-java.lang.Long-java.lang.Long-java.lang.Long-java.lang.String-java.lang.Long-org.apache.hadoop.yarn.server.timeline.NameValuePair-java.util.Collection-java.util.EnumSet-org.apache.hadoop.yarn.server.timeline.TimelineDataManager.CheckAcl-">getEntities</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;arg0,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&nbsp;arg1,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&nbsp;arg2,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&nbsp;arg3,
<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;arg4,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&nbsp;arg5,
org.apache.hadoop.yarn.server.timeline.NameValuePair&nbsp;arg6,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;org.apache.hadoop.yarn.server.timeline.NameValuePair&gt;&nbsp;arg7,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/EnumSet.html?is-external=true" title="class or interface in java.util">EnumSet</a>&lt;org.apache.hadoop.yarn.server.timeline.TimelineReader.Field&gt;&nbsp;arg8,
org.apache.hadoop.yarn.server.timeline.TimelineDataManager.CheckAcl&nbsp;arg9)</code>&nbsp;</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>org.apache.hadoop.yarn.api.records.timeline.TimelineEntity</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/timeline/LevelDBCacheTimelineStore.html#getEntity-java.lang.String-java.lang.String-java.util.EnumSet-">getEntity</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;arg0,
<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;arg1,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/EnumSet.html?is-external=true" title="class or interface in java.util">EnumSet</a>&lt;org.apache.hadoop.yarn.server.timeline.TimelineReader.Field&gt;&nbsp;arg2)</code>&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>org.apache.hadoop.yarn.api.records.timeline.TimelineEvents</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/timeline/LevelDBCacheTimelineStore.html#getEntityTimelines-java.lang.String-java.util.SortedSet-java.lang.Long-java.lang.Long-java.lang.Long-java.util.Set-">getEntityTimelines</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;arg0,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/SortedSet.html?is-external=true" title="class or interface in java.util">SortedSet</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>&gt;&nbsp;arg1,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&nbsp;arg2,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&nbsp;arg3,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&nbsp;arg4,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</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>&gt;&nbsp;arg5)</code>&nbsp;</td>
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<tr id="i5" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/timeline/LevelDBCacheTimelineStore.html#getServiceStopped--">getServiceStopped</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/timeline/LevelDBCacheTimelineStore.html#put-org.apache.hadoop.yarn.api.records.timeline.TimelineDomain-">put</a></span>(org.apache.hadoop.yarn.api.records.timeline.TimelineDomain&nbsp;arg0)</code>&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>org.apache.hadoop.yarn.api.records.timeline.TimelinePutResponse</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/timeline/LevelDBCacheTimelineStore.html#put-org.apache.hadoop.yarn.api.records.timeline.TimelineEntities-">put</a></span>(org.apache.hadoop.yarn.api.records.timeline.TimelineEntities&nbsp;arg0)</code>&nbsp;</td>
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<tr id="i8" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/timeline/LevelDBCacheTimelineStore.html#serviceInit-org.apache.hadoop.conf.Configuration-">serviceInit</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf)</code>&nbsp;</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/timeline/LevelDBCacheTimelineStore.html#serviceStop--">serviceStop</a></span>()</code>&nbsp;</td>
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<h3>Methods inherited from class&nbsp;org.apache.hadoop.service.AbstractService</h3>
<code>close, getBlockers, getConfig, getFailureCause, getFailureState, getLifecycleHistory, getName, getServiceState, getStartTime, init, isInState, noteFailure, putBlocker, registerGlobalListener, registerServiceListener, removeBlocker, serviceStart, setConfig, start, stop, toString, unregisterGlobalListener, unregisterServiceListener, waitForServiceToStop</code></li>
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<h3>Methods inherited from class&nbsp;java.lang.<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></h3>
<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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<h3>Methods inherited from interface&nbsp;org.apache.hadoop.service.Service</h3>
<code>close, getBlockers, getConfig, getFailureCause, getFailureState, getLifecycleHistory, getName, getServiceState, getStartTime, init, isInState, registerServiceListener, start, stop, unregisterServiceListener, waitForServiceToStop</code></li>
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<pre>protected&nbsp;org.apache.hadoop.yarn.server.timeline.TimelineStoreMapAdapter&lt;org.apache.hadoop.yarn.server.timeline.EntityIdentifier,org.apache.hadoop.yarn.api.records.timeline.TimelineEntity&gt; entities</pre>
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<pre>protected&nbsp;org.apache.hadoop.yarn.server.timeline.TimelineStoreMapAdapter&lt;org.apache.hadoop.yarn.server.timeline.EntityIdentifier,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&gt; entityInsertTimes</pre>
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<pre>protected&nbsp;org.apache.hadoop.yarn.server.timeline.TimelineStoreMapAdapter&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>,org.apache.hadoop.yarn.api.records.timeline.TimelineDomain&gt; domainById</pre>
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<pre>protected&nbsp;org.apache.hadoop.yarn.server.timeline.TimelineStoreMapAdapter&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/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.hadoop.yarn.api.records.timeline.TimelineDomain&gt;&gt; domainsByOwner</pre>
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<pre>public&nbsp;LevelDBCacheTimelineStore(<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;id,
<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)</pre>
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<pre>public&nbsp;LevelDBCacheTimelineStore(<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;id)</pre>
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<pre>public&nbsp;LevelDBCacheTimelineStore()</pre>
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<dt><span class="throwsLabel">Throws:</span></dt>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>getEntities</code>&nbsp;in interface&nbsp;<code>org.apache.hadoop.yarn.server.timeline.TimelineReader</code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
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<pre>public&nbsp;org.apache.hadoop.yarn.api.records.timeline.TimelineEntity&nbsp;getEntity(<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;arg0,
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<pre>public&nbsp;org.apache.hadoop.yarn.api.records.timeline.TimelineEvents&nbsp;getEntityTimelines(<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;arg0,
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<pre>public&nbsp;org.apache.hadoop.yarn.api.records.timeline.TimelineDomain&nbsp;getDomain(<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;arg0)
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>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>getDomain</code>&nbsp;in interface&nbsp;<code>org.apache.hadoop.yarn.server.timeline.TimelineReader</code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
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<pre>public&nbsp;org.apache.hadoop.yarn.api.records.timeline.TimelineDomains&nbsp;getDomains(<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;arg0)
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<dt><span class="throwsLabel">Throws:</span></dt>
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<pre>public&nbsp;org.apache.hadoop.yarn.api.records.timeline.TimelinePutResponse&nbsp;put(org.apache.hadoop.yarn.api.records.timeline.TimelineEntities&nbsp;arg0)</pre>
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<pre>public&nbsp;void&nbsp;put(org.apache.hadoop.yarn.api.records.timeline.TimelineDomain&nbsp;arg0)
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<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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