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| <div class="subTitle">org.apache.hadoop.hbase.client.metrics</div> |
| <h2 title="Class ServerSideScanMetrics" class="title">Class ServerSideScanMetrics</h2> |
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| <ul class="inheritance"> |
| <li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.hadoop.hbase.client.metrics.ServerSideScanMetrics</li> |
| </ul> |
| </li> |
| </ul> |
| <div class="description"> |
| <ul class="blockList"> |
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| <dl> |
| <dt>Direct Known Subclasses:</dt> |
| <dd><a href="../../../../../../org/apache/hadoop/hbase/client/metrics/ScanMetrics.html" title="class in org.apache.hadoop.hbase.client.metrics">ScanMetrics</a></dd> |
| </dl> |
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| <br> |
| <pre>@InterfaceAudience.Public |
| public class <a href="../../../../../../src-html/org/apache/hadoop/hbase/client/metrics/ServerSideScanMetrics.html#line.32">ServerSideScanMetrics</a> |
| 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">Provides server side metrics related to scan operations.</div> |
| </li> |
| </ul> |
| </div> |
| <div class="summary"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- =========== FIELD SUMMARY =========== --> |
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| <h3>Field Summary</h3> |
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| <caption><span>Fields</span><span class="tabEnd"> </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>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/client/metrics/ServerSideScanMetrics.html#COUNT_OF_ROWS_FILTERED_KEY_METRIC_NAME">COUNT_OF_ROWS_FILTERED_KEY_METRIC_NAME</a></span></code> </td> |
| </tr> |
| <tr 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/client/metrics/ServerSideScanMetrics.html#COUNT_OF_ROWS_SCANNED_KEY_METRIC_NAME">COUNT_OF_ROWS_SCANNED_KEY_METRIC_NAME</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</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/util/concurrent/atomic/AtomicLong.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicLong</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/client/metrics/ServerSideScanMetrics.html#counters">counters</a></span></code> |
| <div class="block">Hash to hold the String -> Atomic Long mappings for each metric</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicLong.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicLong</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/client/metrics/ServerSideScanMetrics.html#countOfRowsFiltered">countOfRowsFiltered</a></span></code> |
| <div class="block">number of rows filtered during scan RPC</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicLong.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicLong</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/client/metrics/ServerSideScanMetrics.html#countOfRowsScanned">countOfRowsScanned</a></span></code> |
| <div class="block">number of rows scanned during scan RPC.</div> |
| </td> |
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| </table> |
| </li> |
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| <h3>Constructor Summary</h3> |
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| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colOne" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/client/metrics/ServerSideScanMetrics.html#ServerSideScanMetrics--">ServerSideScanMetrics</a></span>()</code> </td> |
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| <h3>Method Summary</h3> |
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| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/client/metrics/ServerSideScanMetrics.html#addToCounter-java.lang.String-long-">addToCounter</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> counterName, |
| long delta)</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicLong.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicLong</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/client/metrics/ServerSideScanMetrics.html#createCounter-java.lang.String-">createCounter</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> counterName)</code> |
| <div class="block">Create a new counter with the specified name</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicLong.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicLong</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/client/metrics/ServerSideScanMetrics.html#getCounter-java.lang.String-">getCounter</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> counterName)</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</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/Long.html?is-external=true" title="class or interface in java.lang">Long</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/client/metrics/ServerSideScanMetrics.html#getMetricsMap--">getMetricsMap</a></span>()</code> |
| <div class="block">Get all of the values since the last time this function was called.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</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/Long.html?is-external=true" title="class or interface in java.lang">Long</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/client/metrics/ServerSideScanMetrics.html#getMetricsMap-boolean-">getMetricsMap</a></span>(boolean reset)</code> |
| <div class="block">Get all of the values.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/client/metrics/ServerSideScanMetrics.html#hasCounter-java.lang.String-">hasCounter</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> counterName)</code> </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/hbase/client/metrics/ServerSideScanMetrics.html#setCounter-java.lang.String-long-">setCounter</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> counterName, |
| long value)</code> </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#toString--" title="class or interface in java.lang">toString</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> |
| </ul> |
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| <div class="details"> |
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| <h3>Field Detail</h3> |
| <a name="counters"> |
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| <h4>counters</h4> |
| <pre>private final <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</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/util/concurrent/atomic/AtomicLong.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicLong</a>> <a href="../../../../../../src-html/org/apache/hadoop/hbase/client/metrics/ServerSideScanMetrics.html#line.36">counters</a></pre> |
| <div class="block">Hash to hold the String -> Atomic Long mappings for each metric</div> |
| </li> |
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| <a name="COUNT_OF_ROWS_SCANNED_KEY_METRIC_NAME"> |
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| <h4>COUNT_OF_ROWS_SCANNED_KEY_METRIC_NAME</h4> |
| <pre>public static final <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/client/metrics/ServerSideScanMetrics.html#line.49">COUNT_OF_ROWS_SCANNED_KEY_METRIC_NAME</a></pre> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../constant-values.html#org.apache.hadoop.hbase.client.metrics.ServerSideScanMetrics.COUNT_OF_ROWS_SCANNED_KEY_METRIC_NAME">Constant Field Values</a></dd> |
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| <!-- --> |
| </a> |
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| <h4>COUNT_OF_ROWS_FILTERED_KEY_METRIC_NAME</h4> |
| <pre>public static final <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/client/metrics/ServerSideScanMetrics.html#line.50">COUNT_OF_ROWS_FILTERED_KEY_METRIC_NAME</a></pre> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../constant-values.html#org.apache.hadoop.hbase.client.metrics.ServerSideScanMetrics.COUNT_OF_ROWS_FILTERED_KEY_METRIC_NAME">Constant Field Values</a></dd> |
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| <a name="countOfRowsFiltered"> |
| <!-- --> |
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| <h4>countOfRowsFiltered</h4> |
| <pre>public final <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicLong.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicLong</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/client/metrics/ServerSideScanMetrics.html#line.55">countOfRowsFiltered</a></pre> |
| <div class="block">number of rows filtered during scan RPC</div> |
| </li> |
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| <a name="countOfRowsScanned"> |
| <!-- --> |
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| <ul class="blockListLast"> |
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| <h4>countOfRowsScanned</h4> |
| <pre>public final <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicLong.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicLong</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/client/metrics/ServerSideScanMetrics.html#line.61">countOfRowsScanned</a></pre> |
| <div class="block">number of rows scanned during scan RPC. Not every row scanned will be returned to the client |
| since rows may be filtered.</div> |
| </li> |
| </ul> |
| </li> |
| </ul> |
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| </a> |
| <h3>Constructor Detail</h3> |
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| </a> |
| <ul class="blockListLast"> |
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| <h4>ServerSideScanMetrics</h4> |
| <pre>public <a href="../../../../../../src-html/org/apache/hadoop/hbase/client/metrics/ServerSideScanMetrics.html#line.32">ServerSideScanMetrics</a>()</pre> |
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| <h3>Method Detail</h3> |
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| <h4>createCounter</h4> |
| <pre>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicLong.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicLong</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/client/metrics/ServerSideScanMetrics.html#line.43">createCounter</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> counterName)</pre> |
| <div class="block">Create a new counter with the specified name</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>counterName</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd><a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicLong.html?is-external=true" title="class or interface in java.util.concurrent.atomic"><code>AtomicLong</code></a> instance for the counter with counterName</dd> |
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| <h4>setCounter</h4> |
| <pre>public void <a href="../../../../../../src-html/org/apache/hadoop/hbase/client/metrics/ServerSideScanMetrics.html#line.67">setCounter</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> counterName, |
| long value)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>counterName</code> - </dd> |
| <dd><code>value</code> - </dd> |
| </dl> |
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| <h4>hasCounter</h4> |
| <pre>public boolean <a href="../../../../../../src-html/org/apache/hadoop/hbase/client/metrics/ServerSideScanMetrics.html#line.78">hasCounter</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> counterName)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>counterName</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if a counter exists with the counterName</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getCounter-java.lang.String-"> |
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| <h4>getCounter</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicLong.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicLong</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/client/metrics/ServerSideScanMetrics.html#line.86">getCounter</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> counterName)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>counterName</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd><a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicLong.html?is-external=true" title="class or interface in java.util.concurrent.atomic"><code>AtomicLong</code></a> instance for this counter name, null if counter does not exist.</dd> |
| </dl> |
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| <a name="addToCounter-java.lang.String-long-"> |
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| <h4>addToCounter</h4> |
| <pre>public void <a href="../../../../../../src-html/org/apache/hadoop/hbase/client/metrics/ServerSideScanMetrics.html#line.94">addToCounter</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> counterName, |
| long delta)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>counterName</code> - </dd> |
| <dd><code>delta</code> - </dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getMetricsMap--"> |
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| <h4>getMetricsMap</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</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/Long.html?is-external=true" title="class or interface in java.lang">Long</a>> <a href="../../../../../../src-html/org/apache/hadoop/hbase/client/metrics/ServerSideScanMetrics.html#line.106">getMetricsMap</a>()</pre> |
| <div class="block">Get all of the values since the last time this function was called. Calling this function will |
| reset all AtomicLongs in the instance back to 0.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A Map of String -> Long for metrics</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getMetricsMap-boolean-"> |
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| </a> |
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| <h4>getMetricsMap</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</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/Long.html?is-external=true" title="class or interface in java.lang">Long</a>> <a href="../../../../../../src-html/org/apache/hadoop/hbase/client/metrics/ServerSideScanMetrics.html#line.115">getMetricsMap</a>(boolean reset)</pre> |
| <div class="block">Get all of the values. If reset is true, we will reset the all AtomicLongs back to 0.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>reset</code> - whether to reset the AtomicLongs to 0.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A Map of String -> Long for metrics</dd> |
| </dl> |
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