releases/1.12.0/apidocs/org/apache/kudu/client/Statistics.html - kudu-site - Git at Google

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 <div class="subTitle">org.apache.kudu.client</div>
 <h2 title="Class Statistics" class="title">Class Statistics</h2>
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 <pre>@InterfaceAudience.Public
  @InterfaceStability.Evolving
 public class <span class="typeNameLabel">Statistics</span>
 extends <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></pre>
 <div class="block">A Statistics belongs to a specific AsyncKuduClient. It stores client-level
  statistics including number of operations, number of bytes written, number of
  rpcs. It is created along with the client's creation, and can be obtained through
  AsyncKuduClient or KuduClient's getStatistics method. Once obtained, an instance
  of this class can be used directly.
  <p>
  This class is thread-safe. The user can use it anywhere to get statistics of this
  client.
  <p>
  The method <a href="../../../../org/apache/kudu/client/Statistics.html#toString--"><code>toString()</code></a> can be useful to get a dump of all the metrics aggregated
  for all the tablets.</div>
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 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Class and Description</th>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/kudu/client/Statistics.Statistic.html" title="enum in org.apache.kudu.client">Statistics.Statistic</a></span></code>
 <div class="block">The statistic enum to pass when querying.</div>
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 <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/kudu/client/Statistics.html#Statistics--">Statistics</a></span>()</code>&nbsp;</td>
 </tr>
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 <h3>Method Summary</h3>
 <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
 <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance 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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 <tr id="i0" class="altColor">
 <td class="colFirst"><code>long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/kudu/client/Statistics.html#getClientStatistic-org.apache.kudu.client.Statistics.Statistic-">getClientStatistic</a></span>(<a href="../../../../org/apache/kudu/client/Statistics.Statistic.html" title="enum in org.apache.kudu.client">Statistics.Statistic</a>&nbsp;statistic)</code>
 <div class="block">Get the statistic count of the whole client.</div>
 </td>
 </tr>
 <tr id="i1" class="rowColor">
 <td class="colFirst"><code><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/kudu/client/Statistics.html#getTableName-java.lang.String-">getTableName</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;tabletId)</code>
 <div class="block">Get table name of the given tablet id.</div>
 </td>
 </tr>
 <tr id="i2" class="altColor">
 <td class="colFirst"><code><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;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/kudu/client/Statistics.html#getTableSet--">getTableSet</a></span>()</code>
 <div class="block">Get the set of tables which have been written into by this client,
  which have statistics information.</div>
 </td>
 </tr>
 <tr id="i3" class="rowColor">
 <td class="colFirst"><code>long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/kudu/client/Statistics.html#getTableStatistic-java.lang.String-org.apache.kudu.client.Statistics.Statistic-">getTableStatistic</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;tableName,
                  <a href="../../../../org/apache/kudu/client/Statistics.Statistic.html" title="enum in org.apache.kudu.client">Statistics.Statistic</a>&nbsp;statistic)</code>
 <div class="block">Get the statistic count of this table.</div>
 </td>
 </tr>
 <tr id="i4" class="altColor">
 <td class="colFirst"><code><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;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/kudu/client/Statistics.html#getTabletSet--">getTabletSet</a></span>()</code>
 <div class="block">Get the set of tablets which have been written into by this client,
  which have statistics information.</div>
 </td>
 </tr>
 <tr id="i5" class="rowColor">
 <td class="colFirst"><code>long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/kudu/client/Statistics.html#getTabletStatistic-java.lang.String-org.apache.kudu.client.Statistics.Statistic-">getTabletStatistic</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;tabletId,
                   <a href="../../../../org/apache/kudu/client/Statistics.Statistic.html" title="enum in org.apache.kudu.client">Statistics.Statistic</a>&nbsp;statistic)</code>
 <div class="block">Get the statistic count of this tablet.</div>
 </td>
 </tr>
 <tr id="i6" class="altColor">
 <td class="colFirst"><code><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/kudu/client/Statistics.html#toString--">toString</a></span>()</code>&nbsp;</td>
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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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 <h4>Statistics</h4>
 <pre>public&nbsp;Statistics()</pre>
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 <h4>getTabletStatistic</h4>
 <pre>public&nbsp;long&nbsp;getTabletStatistic(<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;tabletId,
                                <a href="../../../../org/apache/kudu/client/Statistics.Statistic.html" title="enum in org.apache.kudu.client">Statistics.Statistic</a>&nbsp;statistic)</pre>
 <div class="block">Get the statistic count of this tablet.
  If the specified tablet doesn't have statistics, 0 will be returned.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>tabletId</code> - the tablet's id</dd>
 <dd><code>statistic</code> - the statistic type to get</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the value of the statistic</dd>
 </dl>
 </li>
 </ul>
 <a name="getTableStatistic-java.lang.String-org.apache.kudu.client.Statistics.Statistic-">
 <!--   -->
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 <h4>getTableStatistic</h4>
 <pre>public&nbsp;long&nbsp;getTableStatistic(<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;tableName,
                               <a href="../../../../org/apache/kudu/client/Statistics.Statistic.html" title="enum in org.apache.kudu.client">Statistics.Statistic</a>&nbsp;statistic)</pre>
 <div class="block">Get the statistic count of this table.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>tableName</code> - the table's name</dd>
 <dd><code>statistic</code> - the statistic type to get</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the value of the statistic</dd>
 </dl>
 </li>
 </ul>
 <a name="getClientStatistic-org.apache.kudu.client.Statistics.Statistic-">
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 <h4>getClientStatistic</h4>
 <pre>public&nbsp;long&nbsp;getClientStatistic(<a href="../../../../org/apache/kudu/client/Statistics.Statistic.html" title="enum in org.apache.kudu.client">Statistics.Statistic</a>&nbsp;statistic)</pre>
 <div class="block">Get the statistic count of the whole client.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>statistic</code> - the statistic type to get</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the value of the statistic</dd>
 </dl>
 </li>
 </ul>
 <a name="getTabletSet--">
 <!--   -->
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 <h4>getTabletSet</h4>
 <pre>public&nbsp;<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;getTabletSet()</pre>
 <div class="block">Get the set of tablets which have been written into by this client,
  which have statistics information.</div>
 <dl>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>set of tablet ids</dd>
 </dl>
 </li>
 </ul>
 <a name="getTableSet--">
 <!--   -->
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 <li class="blockList">
 <h4>getTableSet</h4>
 <pre>public&nbsp;<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;getTableSet()</pre>
 <div class="block">Get the set of tables which have been written into by this client,
  which have statistics information.</div>
 <dl>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>set of table names</dd>
 </dl>
 </li>
 </ul>
 <a name="getTableName-java.lang.String-">
 <!--   -->
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 <ul class="blockList">
 <li class="blockList">
 <h4>getTableName</h4>
 <pre>public&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;getTableName(<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;tabletId)</pre>
 <div class="block">Get table name of the given tablet id.
  If the tablet has no statistics, null will be returned.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>tabletId</code> - the tablet's id</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>table name</dd>
 </dl>
 </li>
 </ul>
 <a name="toString--">
 <!--   -->
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 <h4>toString</h4>
 <pre>public&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;toString()</pre>
 <dl>
 <dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a></code>&nbsp;in class&nbsp;<code><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></code></dd>
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